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  19 <div class="titlepage"><div><div><h3 class="title">
  20 <a name="expressions"></a>Expressions</h3></div></div></div>
  21 <div class="toc"><dl class="toc">
  22 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.attr_hpp">Header &lt;boost/log/expressions/attr.hpp&gt;</a></span></dt>
  23 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.attr_fwd_hpp">Header &lt;boost/log/expressions/attr_fwd.hpp&gt;</a></span></dt>
  24 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.filter_hpp">Header &lt;boost/log/expressions/filter.hpp&gt;</a></span></dt>
  25 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatter_hpp">Header &lt;boost/log/expressions/formatter.hpp&gt;</a></span></dt>
  26 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters_hpp">Header &lt;boost/log/expressions/formatters.hpp&gt;</a></span></dt>
  27 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.c_decorator_hpp">Header &lt;boost/log/expressions/formatters/c_decorator.hpp&gt;</a></span></dt>
  28 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.char_decorator_hpp">Header &lt;boost/log/expressions/formatters/char_decorator.hpp&gt;</a></span></dt>
  29 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.csv_decorator_hpp">Header &lt;boost/log/expressions/formatters/csv_decorator.hpp&gt;</a></span></dt>
  30 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.date_time_hpp">Header &lt;boost/log/expressions/formatters/date_time.hpp&gt;</a></span></dt>
  31 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.format_hpp">Header &lt;boost/log/expressions/formatters/format.hpp&gt;</a></span></dt>
  32 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.if_hpp">Header &lt;boost/log/expressions/formatters/if.hpp&gt;</a></span></dt>
  33 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.max_size_decorator_hpp">Header &lt;boost/log/expressions/formatters/max_size_decorator.hpp&gt;</a></span></dt>
  34 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.named_scope_hpp">Header &lt;boost/log/expressions/formatters/named_scope.hpp&gt;</a></span></dt>
  35 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.stream_hpp">Header &lt;boost/log/expressions/formatters/stream.hpp&gt;</a></span></dt>
  36 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.wrap_formatter_hpp">Header &lt;boost/log/expressions/formatters/wrap_formatter.hpp&gt;</a></span></dt>
  37 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.formatters.xml_decorator_hpp">Header &lt;boost/log/expressions/formatters/xml_decorator.hpp&gt;</a></span></dt>
  38 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.is_keyword_descriptor_hpp">Header &lt;boost/log/expressions/is_keyword_descriptor.hpp&gt;</a></span></dt>
  39 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.keyword_hpp">Header &lt;boost/log/expressions/keyword.hpp&gt;</a></span></dt>
  40 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.keyword_fwd_hpp">Header &lt;boost/log/expressions/keyword_fwd.hpp&gt;</a></span></dt>
  41 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.message_hpp">Header &lt;boost/log/expressions/message.hpp&gt;</a></span></dt>
  42 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates_hpp">Header &lt;boost/log/expressions/predicates.hpp&gt;</a></span></dt>
  43 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.begins_with_hpp">Header &lt;boost/log/expressions/predicates/begins_with.hpp&gt;</a></span></dt>
  44 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.channel_severity_filter_hpp">Header &lt;boost/log/expressions/predicates/channel_severity_filter.hpp&gt;</a></span></dt>
  45 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.contains_hpp">Header &lt;boost/log/expressions/predicates/contains.hpp&gt;</a></span></dt>
  46 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.ends_with_hpp">Header &lt;boost/log/expressions/predicates/ends_with.hpp&gt;</a></span></dt>
  47 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.has_attr_hpp">Header &lt;boost/log/expressions/predicates/has_attr.hpp&gt;</a></span></dt>
  48 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.is_debugger_present_hpp">Header &lt;boost/log/expressions/predicates/is_debugger_present.hpp&gt;</a></span></dt>
  49 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.is_in_range_hpp">Header &lt;boost/log/expressions/predicates/is_in_range.hpp&gt;</a></span></dt>
  50 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.predicates.matches_hpp">Header &lt;boost/log/expressions/predicates/matches.hpp&gt;</a></span></dt>
  51 <dt><span class="section"><a href="expressions.html#header.boost.log.expressions.record_hpp">Header &lt;boost/log/expressions/record.hpp&gt;</a></span></dt>
  52 </dl></div>
  53 <div class="section">
  54 <div class="titlepage"><div><div><h4 class="title">
  55 <a name="header.boost.log.expressions.attr_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/attr.hpp" target="_top">boost/log/expressions/attr.hpp</a>&gt;</h4></div></div></div>
  56 <p>Andrey Semashev </p>
  57 <p>
  58 </p>
  59 <p>21.07.2012</p>
  60 <p>
  61 The header contains implementation of a generic attribute placeholder in template expressions. </p>
  62 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
  63   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
  64     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
  65       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">&gt;</span>
  66         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/attribute_terminal.html" title="Class template attribute_terminal">attribute_terminal</a><span class="special">;</span>
  67       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
  68                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">&gt;</span>
  69         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">;</span>
  70       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> AttributeValueT<span class="special">&gt;</span>
  71         <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">AttributeValueT</span> <span class="special">&gt;</span> <a class="link" href="boost/log/expressions/attr_idp60566304.html" title="Function template attr"><span class="identifier">attr</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  72       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> AttributeValueT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">&gt;</span>
  73         <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">AttributeValueT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">TagT</span> <span class="special">&gt;</span>
  74         <a class="link" href="boost/log/expressions/attr_idp60569520.html" title="Function template attr"><span class="identifier">attr</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  75     <span class="special">}</span>
  76   <span class="special">}</span>
  77 <span class="special">}</span></pre>
  78 </div>
  79 <div class="section">
  80 <div class="titlepage"><div><div><h4 class="title">
  81 <a name="header.boost.log.expressions.attr_fwd_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/attr_fwd.hpp" target="_top">boost/log/expressions/attr_fwd.hpp</a>&gt;</h4></div></div></div>
  82 <p>Andrey Semashev </p>
  83 <p>
  84 </p>
  85 <p>21.07.2012</p>
  86 <p>
  87 The header contains forward declaration of a generic attribute placeholder in template expressions. </p>
  88 </div>
  89 <div class="section">
  90 <div class="titlepage"><div><div><h4 class="title">
  91 <a name="header.boost.log.expressions.filter_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/filter.hpp" target="_top">boost/log/expressions/filter.hpp</a>&gt;</h4></div></div></div>
  92 <p>Andrey Semashev </p>
  93 <p>
  94 </p>
  95 <p>13.07.2012</p>
  96 <p>
  97 The header contains a filter function object definition. </p>
  98 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
  99   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 100     <span class="keyword">class</span> <a class="link" href="boost/log/filter.html" title="Class filter">filter</a><span class="special">;</span>
 101     <span class="keyword">void</span> <a class="link" href="boost/log/swap_idp62667152.html" title="Function swap"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="boost/log/filter.html" title="Class filter">filter</a> <span class="special">&amp;</span><span class="special">,</span> <a class="link" href="boost/log/filter.html" title="Class filter">filter</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 102   <span class="special">}</span>
 103 <span class="special">}</span></pre>
 104 </div>
 105 <div class="section">
 106 <div class="titlepage"><div><div><h4 class="title">
 107 <a name="header.boost.log.expressions.formatter_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatter.hpp" target="_top">boost/log/expressions/formatter.hpp</a>&gt;</h4></div></div></div>
 108 <p>Andrey Semashev </p>
 109 <p>
 110 </p>
 111 <p>13.07.2012</p>
 112 <p>
 113 The header contains a formatter function object definition. </p>
 114 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 115   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 116     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special">;</span>
 117
 118     <span class="keyword">typedef</span> <a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special">&lt;</span> <span class="keyword">char</span> <span class="special">&gt;</span> <a name="boost.log.formatter"></a><span class="identifier">formatter</span><span class="special">;</span>
 119     <span class="keyword">typedef</span> <a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special">&lt;</span> <span class="keyword">wchar_t</span> <span class="special">&gt;</span> <a name="boost.log.wformatter"></a><span class="identifier">wformatter</span><span class="special">;</span>
 120     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 121       <span class="keyword">void</span> <a class="link" href="boost/log/swap_idp62700976.html" title="Function template swap"><span class="identifier">swap</span></a><span class="special">(</span><a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <a class="link" href="boost/log/basic_formatter.html" title="Class template basic_formatter">basic_formatter</a><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 122     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 123     <span class="special">}</span>
 124   <span class="special">}</span>
 125 <span class="special">}</span></pre>
 126 </div>
 127 <div class="section">
 128 <div class="titlepage"><div><div><h4 class="title">
 129 <a name="header.boost.log.expressions.formatters_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters.hpp" target="_top">boost/log/expressions/formatters.hpp</a>&gt;</h4></div></div></div>
 130 <p>Andrey Semashev </p>
 131 <p>
 132 </p>
 133 <p>10.11.2012</p>
 134 <p>
 135 The header includes all template expression formatters. </p>
 136 </div>
 137 <div class="section">
 138 <div class="titlepage"><div><div><h4 class="title">
 139 <a name="header.boost.log.expressions.formatters.c_decorator_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/c_decorator.hpp" target="_top">boost/log/expressions/formatters/c_decorator.hpp</a>&gt;</h4></div></div></div>
 140 <p>Andrey Semashev </p>
 141 <p>
 142 </p>
 143 <p>18.11.2012</p>
 144 <p>
 145 The header contains implementation of C-style character decorators. </p>
 146 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 147   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 148     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 149       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/c_ascii_pattern_replacer.html" title="Class template c_ascii_pattern_replacer">c_ascii_pattern_replacer</a><span class="special">;</span>
 150
 151       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/c_decor.html" title="Global c_decor">c_decor</a><span class="special">;</span>
 152       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wc_decor.html" title="Global wc_decor">wc_decor</a><span class="special">;</span>
 153       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/c_ascii_decor.html" title="Global c_ascii_decor">c_ascii_decor</a><span class="special">;</span>
 154       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wc_ascii_decor.html" title="Global wc_ascii_decor">wc_ascii_decor</a><span class="special">;</span>
 155       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/make_c_decor.html" title="Function template make_c_decor"><span class="identifier">make_c_decor</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
 156       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/make_c_ascii_decor.html" title="Function template make_c_ascii_decor"><span class="identifier">make_c_ascii_decor</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
 157     <span class="special">}</span>
 158   <span class="special">}</span>
 159 <span class="special">}</span></pre>
 160 </div>
 161 <div class="section">
 162 <div class="titlepage"><div><div><h4 class="title">
 163 <a name="header.boost.log.expressions.formatters.char_decorator_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/char_decorator.hpp" target="_top">boost/log/expressions/formatters/char_decorator.hpp</a>&gt;</h4></div></div></div>
 164 <p>Andrey Semashev </p>
 165 <p>
 166 </p>
 167 <p>17.11.2012</p>
 168 <p>
 169 The header contains implementation of a character decorator. </p>
 170 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 171   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 172     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 173       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/pattern_replacer.html" title="Class template pattern_replacer">pattern_replacer</a><span class="special">;</span>
 174       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SubactorT<span class="special">,</span> <span class="keyword">typename</span> ImplT<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/char_decorator_terminal.html" title="Class template char_decorator_terminal">char_decorator_terminal</a><span class="special">;</span>
 175       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SubactorT<span class="special">,</span> <span class="keyword">typename</span> ImplT<span class="special">,</span>
 176                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">&gt;</span>
 177         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/char_decorator_actor.html" title="Class template char_decorator_actor">char_decorator_actor</a><span class="special">;</span>
 178       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> RangeT<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/char_decor_idp62811600.html" title="Function template char_decor"><span class="identifier">char_decor</span></a><span class="special">(</span><span class="identifier">RangeT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 179       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FromRangeT<span class="special">,</span> <span class="keyword">typename</span> ToRangeT<span class="special">&gt;</span>
 180         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/char_decor_idp62816768.html" title="Function template char_decor"><span class="identifier">char_decor</span></a><span class="special">(</span><span class="identifier">FromRangeT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">ToRangeT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 181     <span class="special">}</span>
 182   <span class="special">}</span>
 183 <span class="special">}</span></pre>
 184 </div>
 185 <div class="section">
 186 <div class="titlepage"><div><div><h4 class="title">
 187 <a name="header.boost.log.expressions.formatters.csv_decorator_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/csv_decorator.hpp" target="_top">boost/log/expressions/formatters/csv_decorator.hpp</a>&gt;</h4></div></div></div>
 188 <p>Andrey Semashev </p>
 189 <p>
 190 </p>
 191 <p>18.11.2012</p>
 192 <p>
 193 The header contains implementation of a CSV-style character decorator. See: <a href="http://en.wikipedia.org/wiki/Comma-separated_values" target="_top">http://en.wikipedia.org/wiki/Comma-separated_values</a> </p>
 194 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 195   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 196     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 197       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/csv_decor.html" title="Global csv_decor">csv_decor</a><span class="special">;</span>
 198       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wcsv_decor.html" title="Global wcsv_decor">wcsv_decor</a><span class="special">;</span>
 199       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/make_csv_decor.html" title="Function template make_csv_decor"><span class="identifier">make_csv_decor</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
 200     <span class="special">}</span>
 201   <span class="special">}</span>
 202 <span class="special">}</span></pre>
 203 </div>
 204 <div class="section">
 205 <div class="titlepage"><div><div><h4 class="title">
 206 <a name="header.boost.log.expressions.formatters.date_time_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/date_time.hpp" target="_top">boost/log/expressions/formatters/date_time.hpp</a>&gt;</h4></div></div></div>
 207 <p>Andrey Semashev </p>
 208 <p>
 209 </p>
 210 <p>16.09.2012</p>
 211 <p>
 212 The header contains a formatter function for date and time attribute values. </p>
 213 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 214   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 215     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 216       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 217         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_date_time_terminal.html" title="Class template format_date_time_terminal">format_date_time_terminal</a><span class="special">;</span>
 218       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">,</span>
 219                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">&gt;</span>
 220         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special">;</span>
 221       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> AttributeValueT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 222         <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special">&lt;</span> <span class="identifier">AttributeValueT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">&gt;</span>
 223         <a class="link" href="boost/log/expressions/format_date_ti_idp62887744.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 224       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> AttributeValueT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 225         <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special">&lt;</span> <span class="identifier">AttributeValueT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">&gt;</span>
 226         <a class="link" href="boost/log/expressions/format_date_ti_idp62893808.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 227                          <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 228       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 229                <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 230         <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">DescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 231         <a class="link" href="boost/log/expressions/format_date_ti_idp62899888.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 232                          <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 233       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 234                <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 235         <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">DescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 236         <a class="link" href="boost/log/expressions/format_date_ti_idp62907136.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 237                          <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 238       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 239                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 240         <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 241         <a class="link" href="boost/log/expressions/format_date_ti_idp62914400.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 242                          <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 243       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 244                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 245         <a class="link" href="boost/log/expressions/format_date_time_actor.html" title="Class template format_date_time_actor">format_date_time_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 246         <a class="link" href="boost/log/expressions/format_date_ti_idp62922752.html" title="Function template format_date_time"><span class="identifier">format_date_time</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 247                          <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 248     <span class="special">}</span>
 249   <span class="special">}</span>
 250 <span class="special">}</span></pre>
 251 </div>
 252 <div class="section">
 253 <div class="titlepage"><div><div><h4 class="title">
 254 <a name="header.boost.log.expressions.formatters.format_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/format.hpp" target="_top">boost/log/expressions/formatters/format.hpp</a>&gt;</h4></div></div></div>
 255 <p>Andrey Semashev </p>
 256 <p>
 257 </p>
 258 <p>15.11.2012</p>
 259 <p>
 260 The header contains a generic log record formatter function. </p>
 261 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 262   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 263     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 264       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_terminal.html" title="Class template format_terminal">format_terminal</a><span class="special">;</span>
 265       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 266         <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">&lt;</span> <a class="link" href="boost/log/expressions/format_terminal.html" title="Class template format_terminal">format_terminal</a><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="special">&gt;</span> <a class="link" href="boost/log/expressions/format_idp62947360.html" title="Function template format"><span class="identifier">format</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 267       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> TraitsT<span class="special">,</span> <span class="keyword">typename</span> AllocatorT<span class="special">&gt;</span>
 268         <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">&lt;</span> <a class="link" href="boost/log/expressions/format_terminal.html" title="Class template format_terminal">format_terminal</a><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="special">&gt;</span>
 269         <a class="link" href="boost/log/expressions/format_idp62950736.html" title="Function template format"><span class="identifier">format</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">TraitsT</span><span class="special">,</span> <span class="identifier">AllocatorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 270     <span class="special">}</span>
 271   <span class="special">}</span>
 272 <span class="special">}</span></pre>
 273 </div>
 274 <div class="section">
 275 <div class="titlepage"><div><div><h4 class="title">
 276 <a name="header.boost.log.expressions.formatters.if_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/if.hpp" target="_top">boost/log/expressions/formatters/if.hpp</a>&gt;</h4></div></div></div>
 277 <p>Andrey Semashev </p>
 278 <p>
 279 </p>
 280 <p>17.11.2012</p>
 281 <p>
 282 The header contains implementation of a conditional formatter. </p>
 283 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 284   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 285     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 286       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CondT<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/if_.html" title="Function template if_"><span class="identifier">if_</span></a><span class="special">(</span><span class="identifier">CondT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 287     <span class="special">}</span>
 288   <span class="special">}</span>
 289 <span class="special">}</span></pre>
 290 </div>
 291 <div class="section">
 292 <div class="titlepage"><div><div><h4 class="title">
 293 <a name="header.boost.log.expressions.formatters.max_size_decorator_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/max_size_decorator.hpp" target="_top">boost/log/expressions/formatters/max_size_decorator.hpp</a>&gt;</h4></div></div></div>
 294 <p>Andrey Semashev </p>
 295 <p>
 296 </p>
 297 <p>06.07.2016</p>
 298 <p>
 299 The header contains implementation of a string length limiting decorator. </p>
 300 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 301   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 302     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 303       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SubactorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 304         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/max_size_decor_idp62967536.html" title="Class template max_size_decorator_terminal">max_size_decorator_terminal</a><span class="special">;</span>
 305       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SubactorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">,</span>
 306                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">&gt;</span>
 307         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/max_size_decorator_actor.html" title="Class template max_size_decorator_actor">max_size_decorator_actor</a><span class="special">;</span>
 308       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/max_size_decor_idp63008624.html" title="Function template max_size_decor"><span class="identifier">max_size_decor</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">)</span><span class="special">;</span>
 309       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 310         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/max_size_decor_idp63012896.html" title="Function template max_size_decor"><span class="identifier">max_size_decor</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 311       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 312         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/max_size_decor_idp63020160.html" title="Function template max_size_decor"><span class="identifier">max_size_decor</span></a><span class="special">(</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">size_t</span><span class="special">,</span>
 313                                    <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 314     <span class="special">}</span>
 315   <span class="special">}</span>
 316 <span class="special">}</span></pre>
 317 </div>
 318 <div class="section">
 319 <div class="titlepage"><div><div><h4 class="title">
 320 <a name="header.boost.log.expressions.formatters.named_scope_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/named_scope.hpp" target="_top">boost/log/expressions/formatters/named_scope.hpp</a>&gt;</h4></div></div></div>
 321 <p>Andrey Semashev </p>
 322 <p>
 323 </p>
 324 <p>11.11.2012</p>
 325 <p>
 326 The header contains a formatter function for named scope attribute values. </p>
 327 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 328   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 329     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 330       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 331         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_named_s_idp63031376.html" title="Class template format_named_scope_terminal">format_named_scope_terminal</a><span class="special">;</span>
 332       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">,</span>
 333                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">&gt;</span>
 334         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special">;</span>
 335
 336       <span class="comment">// Scope iteration directions. </span>
 337       <span class="keyword">enum</span> <a name="boost.log.expressions.scope_iteration_direction"></a>scope_iteration_direction <span class="special">{</span> forward, reverse <span class="special">}</span><span class="special">;</span>
 338       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 339         <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special">&lt;</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">&gt;</span>
 340         <a class="link" href="boost/log/expressions/format_named_s_idp63083184.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 341       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 342         <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special">&lt;</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">&gt;</span>
 343         <a class="link" href="boost/log/expressions/format_named_s_idp63088704.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 344                            <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 345       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 346                <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 347         <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special">&lt;</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 348         <a class="link" href="boost/log/expressions/format_named_s_idp63094240.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 349                            <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 350       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 351                <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 352         <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special">&lt;</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 353         <a class="link" href="boost/log/expressions/format_named_s_idp63101488.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 354                            <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 355       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 356                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 357         <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special">&lt;</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 358         <a class="link" href="boost/log/expressions/format_named_s_idp63108752.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 359                            <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 360       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 361                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 362         <a class="link" href="boost/log/expressions/format_named_scope_actor.html" title="Class template format_named_scope_actor">format_named_scope_actor</a><span class="special">&lt;</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">CharT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 363         <a class="link" href="boost/log/expressions/format_named_s_idp63117136.html" title="Function template format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 364                            <span class="identifier">std</span><span class="special">::</span><span class="identifier">basic_string</span><span class="special">&lt;</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 365       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span><span class="special">...</span> ArgsT<span class="special">&gt;</span>
 366         <span class="identifier">unspecified</span> <a class="link" href="boost/log/expressions/format_named_s_idp63125536.html" title="Function format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 367                                        <span class="identifier">ArgsT</span><span class="special">...</span><span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 368       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 369                <span class="keyword">typename</span><span class="special">...</span> ArgsT<span class="special">&gt;</span>
 370         <span class="identifier">unspecified</span> <a class="link" href="boost/log/expressions/format_named_s_idp63125536.html" title="Function format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 371                                        <span class="identifier">ArgsT</span><span class="special">...</span><span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 372       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 373                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span><span class="special">...</span> ArgsT<span class="special">&gt;</span>
 374         <span class="identifier">unspecified</span> <a class="link" href="boost/log/expressions/format_named_s_idp63125536.html" title="Function format_named_scope"><span class="identifier">format_named_scope</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 375                                        <span class="identifier">ArgsT</span><span class="special">...</span><span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 376     <span class="special">}</span>
 377   <span class="special">}</span>
 378 <span class="special">}</span></pre>
 379 </div>
 380 <div class="section">
 381 <div class="titlepage"><div><div><h4 class="title">
 382 <a name="header.boost.log.expressions.formatters.stream_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/stream.hpp" target="_top">boost/log/expressions/formatters/stream.hpp</a>&gt;</h4></div></div></div>
 383 <p>Andrey Semashev </p>
 384 <p>
 385 </p>
 386 <p>24.07.2012</p>
 387 <p>
 388 The header contains implementation of a stream placeholder in template expressions. </p>
 389 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 390   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 391     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 392       <span class="keyword">typedef</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">expression</span><span class="special">::</span><span class="identifier">argument</span><span class="special">&lt;</span> <span class="number">2</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <a class="link" href="boost/log/expressions/stream_type.html" title="Type definition stream_type"><span class="identifier">stream_type</span></a><span class="special">;</span>
 393
 394       <span class="keyword">const</span> <span class="identifier">stream_type</span> <a class="link" href="boost/log/expressions/stream.html" title="Global stream">stream</a><span class="special">;</span>
 395     <span class="special">}</span>
 396   <span class="special">}</span>
 397 <span class="special">}</span></pre>
 398 </div>
 399 <div class="section">
 400 <div class="titlepage"><div><div><h4 class="title">
 401 <a name="header.boost.log.expressions.formatters.wrap_formatter_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/wrap_formatter.hpp" target="_top">boost/log/expressions/formatters/wrap_formatter.hpp</a>&gt;</h4></div></div></div>
 402 <p>Andrey Semashev </p>
 403 <p>
 404 </p>
 405 <p>24.11.2012</p>
 406 <p>
 407 The header contains a formatter function wrapper that enables third-party functions to participate in formatting expressions. </p>
 408 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 409   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 410     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 411       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FunT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/wrapped_formatter_terminal.html" title="Class template wrapped_formatter_terminal">wrapped_formatter_terminal</a><span class="special">;</span>
 412       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FunT<span class="special">,</span> <span class="keyword">typename</span> CharT<span class="special">,</span>
 413                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">&gt;</span>
 414         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/wrapped_formatter_actor.html" title="Class template wrapped_formatter_actor">wrapped_formatter_actor</a><span class="special">;</span>
 415       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> FunT<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wrap_formatter_idp63190608.html" title="Function template wrap_formatter"><span class="identifier">wrap_formatter</span></a><span class="special">(</span><span class="identifier">FunT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 416       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">,</span> <span class="keyword">typename</span> FunT<span class="special">&gt;</span>
 417         <a class="link" href="boost/log/expressions/wrapped_formatter_actor.html" title="Class template wrapped_formatter_actor">wrapped_formatter_actor</a><span class="special">&lt;</span> <span class="identifier">FunT</span><span class="special">,</span> <span class="identifier">CharT</span> <span class="special">&gt;</span> <a class="link" href="boost/log/expressions/wrap_formatter_idp63194800.html" title="Function template wrap_formatter"><span class="identifier">wrap_formatter</span></a><span class="special">(</span><span class="identifier">FunT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 418     <span class="special">}</span>
 419   <span class="special">}</span>
 420 <span class="special">}</span></pre>
 421 </div>
 422 <div class="section">
 423 <div class="titlepage"><div><div><h4 class="title">
 424 <a name="header.boost.log.expressions.formatters.xml_decorator_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/formatters/xml_decorator.hpp" target="_top">boost/log/expressions/formatters/xml_decorator.hpp</a>&gt;</h4></div></div></div>
 425 <p>Andrey Semashev </p>
 426 <p>
 427 </p>
 428 <p>18.11.2012</p>
 429 <p>
 430 The header contains implementation of a XML-style character decorator. </p>
 431 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 432   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 433     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 434       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/xml_decor.html" title="Global xml_decor">xml_decor</a><span class="special">;</span>
 435       <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/wxml_decor.html" title="Global wxml_decor">wxml_decor</a><span class="special">;</span>
 436       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/make_xml_decor.html" title="Function template make_xml_decor"><span class="identifier">make_xml_decor</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
 437     <span class="special">}</span>
 438   <span class="special">}</span>
 439 <span class="special">}</span></pre>
 440 </div>
 441 <div class="section">
 442 <div class="titlepage"><div><div><h4 class="title">
 443 <a name="header.boost.log.expressions.is_keyword_descriptor_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/is_keyword_descriptor.hpp" target="_top">boost/log/expressions/is_keyword_descriptor.hpp</a>&gt;</h4></div></div></div>
 444 <p>Andrey Semashev </p>
 445 <p>
 446 </p>
 447 <p>14.07.2012</p>
 448 <p>
 449 The header contains attribute keyword descriptor detection trait. </p>
 450 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 451   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 452     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 453       <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/keyword_descriptor.html" title="Struct keyword_descriptor">keyword_descriptor</a><span class="special">;</span>
 454       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> VoidT <span class="special">=</span> <span class="keyword">void</span><span class="special">&gt;</span> <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/is_keyword_descriptor.html" title="Struct template is_keyword_descriptor">is_keyword_descriptor</a><span class="special">;</span>
 455     <span class="special">}</span>
 456   <span class="special">}</span>
 457 <span class="special">}</span></pre>
 458 </div>
 459 <div class="section">
 460 <div class="titlepage"><div><div><h4 class="title">
 461 <a name="header.boost.log.expressions.keyword_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/keyword.hpp" target="_top">boost/log/expressions/keyword.hpp</a>&gt;</h4></div></div></div>
 462 <p>Andrey Semashev </p>
 463 <p>
 464 </p>
 465 <p>29.01.2012</p>
 466 <p>
 467 The header contains attribute keyword declaration. </p>
 468 <pre class="synopsis">
 469
 470 <a class="link" href="BOOST_LOG_ATTRIBUTE_KEYWORD_TYPE.html" title="Macro BOOST_LOG_ATTRIBUTE_KEYWORD_TYPE">BOOST_LOG_ATTRIBUTE_KEYWORD_TYPE</a>(keyword_, name_, value_type_)
 471 <a class="link" href="BOOST_LOG_ATTRIBUTE_KEYWORD.html" title="Macro BOOST_LOG_ATTRIBUTE_KEYWORD">BOOST_LOG_ATTRIBUTE_KEYWORD</a>(keyword_, name_, value_type_)</pre>
 472 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 473   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 474     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 475       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">&gt;</span>
 476         <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">;</span>
 477     <span class="special">}</span>
 478   <span class="special">}</span>
 479 <span class="special">}</span></pre>
 480 </div>
 481 <div class="section">
 482 <div class="titlepage"><div><div><h4 class="title">
 483 <a name="header.boost.log.expressions.keyword_fwd_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/keyword_fwd.hpp" target="_top">boost/log/expressions/keyword_fwd.hpp</a>&gt;</h4></div></div></div>
 484 <p>Andrey Semashev </p>
 485 <p>
 486 </p>
 487 <p>29.01.2012</p>
 488 <p>
 489 The header contains attribute keyword forward declaration. </p>
 490 </div>
 491 <div class="section">
 492 <div class="titlepage"><div><div><h4 class="title">
 493 <a name="header.boost.log.expressions.message_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/message.hpp" target="_top">boost/log/expressions/message.hpp</a>&gt;</h4></div></div></div>
 494 <p>Andrey Semashev </p>
 495 <p>
 496 </p>
 497 <p>13.07.2012</p>
 498 <p>
 499 The header contains log message keyword declaration. </p>
 500 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 501   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 502     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 503       <span class="keyword">typedef</span> <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <a class="link" href="boost/log/expressions/tag/message.html" title="Struct message">tag::message</a> <span class="special">&gt;</span> <a class="link" href="boost/log/expressions/message_type.html" title="Type definition message_type"><span class="identifier">message_type</span></a><span class="special">;</span>
 504       <span class="keyword">typedef</span> <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <a class="link" href="boost/log/expressions/tag/smessage.html" title="Struct smessage">tag::smessage</a> <span class="special">&gt;</span> <a class="link" href="boost/log/expressions/smessage_type.html" title="Type definition smessage_type"><span class="identifier">smessage_type</span></a><span class="special">;</span>
 505       <span class="keyword">typedef</span> <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <a class="link" href="boost/log/expressions/tag/wmessage.html" title="Struct wmessage">tag::wmessage</a> <span class="special">&gt;</span> <a class="link" href="boost/log/expressions/wmessage_type.html" title="Type definition wmessage_type"><span class="identifier">wmessage_type</span></a><span class="special">;</span>
 506
 507       <span class="keyword">const</span> <a class="link" href="boost/log/expressions/message_type.html" title="Type definition message_type">message_type</a> <a class="link" href="boost/log/expressions/message.html" title="Global message">message</a><span class="special">;</span>
 508       <span class="keyword">const</span> <a class="link" href="boost/log/expressions/smessage_type.html" title="Type definition smessage_type">smessage_type</a> <a class="link" href="boost/log/expressions/smessage.html" title="Global smessage">smessage</a><span class="special">;</span>
 509       <span class="keyword">const</span> <a class="link" href="boost/log/expressions/wmessage_type.html" title="Type definition wmessage_type">wmessage_type</a> <a class="link" href="boost/log/expressions/wmessage.html" title="Global wmessage">wmessage</a><span class="special">;</span>
 510       <span class="keyword">namespace</span> <span class="identifier">tag</span> <span class="special">{</span>
 511         <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/tag/message.html" title="Struct message">message</a><span class="special">;</span>
 512         <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/tag/smessage.html" title="Struct smessage">smessage</a><span class="special">;</span>
 513         <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/tag/wmessage.html" title="Struct wmessage">wmessage</a><span class="special">;</span>
 514       <span class="special">}</span>
 515     <span class="special">}</span>
 516   <span class="special">}</span>
 517 <span class="special">}</span></pre>
 518 </div>
 519 <div class="section">
 520 <div class="titlepage"><div><div><h4 class="title">
 521 <a name="header.boost.log.expressions.predicates_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/predicates.hpp" target="_top">boost/log/expressions/predicates.hpp</a>&gt;</h4></div></div></div>
 522 <p>Andrey Semashev </p>
 523 <p>
 524 </p>
 525 <p>29.01.2012</p>
 526 <p>
 527 The header includes all template expression predicates. </p>
 528 </div>
 529 <div class="section">
 530 <div class="titlepage"><div><div><h4 class="title">
 531 <a name="header.boost.log.expressions.predicates.begins_with_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/predicates/begins_with.hpp" target="_top">boost/log/expressions/predicates/begins_with.hpp</a>&gt;</h4></div></div></div>
 532 <p>Andrey Semashev </p>
 533 <p>
 534 </p>
 535 <p>02.09.2012</p>
 536 <p>
 537 The header contains implementation of a <code class="computeroutput">begins_with</code> predicate in template expressions. </p>
 538 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 539   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 540     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 541       <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/attribute_begins_with.html" title="Type definition attribute_begins_with"><span class="identifier">attribute_begins_with</span></a><span class="special">;</span>
 542       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 543                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 544         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/begins_with_idp63297936.html" title="Function template begins_with"><span class="identifier">begins_with</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 545                                 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 546       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 547                <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 548         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/begins_with_idp63304576.html" title="Function template begins_with"><span class="identifier">begins_with</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 549                                 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 550       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 551         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/begins_with_idp63310080.html" title="Function template begins_with"><span class="identifier">begins_with</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 552     <span class="special">}</span>
 553   <span class="special">}</span>
 554 <span class="special">}</span></pre>
 555 </div>
 556 <div class="section">
 557 <div class="titlepage"><div><div><h4 class="title">
 558 <a name="header.boost.log.expressions.predicates.channel_severity_filter_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/predicates/channel_severity_filter.hpp" target="_top">boost/log/expressions/predicates/channel_severity_filter.hpp</a>&gt;</h4></div></div></div>
 559 <p>Andrey Semashev </p>
 560 <p>
 561 </p>
 562 <p>25.11.2012</p>
 563 <p>
 564 The header contains implementation of a minimal severity per channel filter. </p>
 565 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 566   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 567     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 568       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 569                <span class="keyword">typename</span> ChannelFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span>
 570                <span class="keyword">typename</span> SeverityFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span>
 571                <span class="keyword">typename</span> ChannelOrderT <span class="special">=</span> <span class="identifier">less</span><span class="special">,</span>
 572                <span class="keyword">typename</span> SeverityCompareT <span class="special">=</span> <span class="identifier">greater_equal</span><span class="special">,</span>
 573                <span class="keyword">typename</span> AllocatorT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span> <span class="special">&gt;</span>
 574         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/channel_severi_idp63318480.html" title="Class template channel_severity_filter_terminal">channel_severity_filter_terminal</a><span class="special">;</span>
 575       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 576                <span class="keyword">typename</span> ChannelFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span>
 577                <span class="keyword">typename</span> SeverityFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span>
 578                <span class="keyword">typename</span> ChannelOrderT <span class="special">=</span> <span class="identifier">less</span><span class="special">,</span>
 579                <span class="keyword">typename</span> SeverityCompareT <span class="special">=</span> <span class="identifier">greater_equal</span><span class="special">,</span>
 580                <span class="keyword">typename</span> AllocatorT <span class="special">=</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span>
 581                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT <span class="special">=</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">actor</span><span class="special">&gt;</span>
 582         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/channel_severi_idp63366720.html" title="Class template channel_severity_filter_actor">channel_severity_filter_actor</a><span class="special">;</span>
 583       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">&gt;</span>
 584         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span> <span class="special">&gt;</span>
 585         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 586                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 587       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span>
 588                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">&gt;</span>
 589         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 590         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 591                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 592       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span>
 593                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">&gt;</span>
 594         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 595         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 596                                 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 597       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span>
 598                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">&gt;</span>
 599         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 600         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 601                                 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 602       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelT<span class="special">,</span>
 603                <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> <span class="keyword">typename</span> ChannelTagT<span class="special">,</span>
 604                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">&gt;</span>
 605         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 606         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 607                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 608       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 609                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 610                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">&gt;</span>
 611         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 612         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 613                                 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 614       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span>
 615                <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 616                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 617                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">&gt;</span>
 618         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">greater_equal</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 619         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 620                                 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 621       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 622                <span class="keyword">typename</span> SeverityCompareT<span class="special">&gt;</span>
 623         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span> <span class="special">&gt;</span>
 624         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 625                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 626                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 627       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span>
 628                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">&gt;</span>
 629         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 630         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 631                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 632                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 633       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span>
 634                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">&gt;</span>
 635         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 636         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 637                                 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 638                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 639       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span>
 640                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">&gt;</span>
 641         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 642         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 643                                 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 644                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 645       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelT<span class="special">,</span>
 646                <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> <span class="keyword">typename</span> ChannelTagT<span class="special">,</span>
 647                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">&gt;</span>
 648         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 649         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 650                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 651                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 652       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 653                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 654                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">&gt;</span>
 655         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 656         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 657                                 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 658                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 659       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span>
 660                <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 661                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 662                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">&gt;</span>
 663         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">less</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 664         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 665                                 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 666                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 667       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 668                <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span> <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 669         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span> <span class="special">&gt;</span>
 670         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 671                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 672                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 673                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 674       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span>
 675                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span>
 676                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 677         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 678         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 679                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 680                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 681                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 682       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span>
 683                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span>
 684                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 685         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 686         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 687                                 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 688                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 689                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 690       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelDescriptorT<span class="special">,</span> <span class="keyword">typename</span> SeverityDescriptorT<span class="special">,</span>
 691                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span>
 692                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 693         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="identifier">ChannelDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="keyword">typename</span> <span class="identifier">SeverityDescriptorT</span><span class="special">::</span><span class="identifier">value_type</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 694         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">ChannelDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 695                                 <a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">SeverityDescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 696                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 697                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 698       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> SeverityT<span class="special">,</span> <span class="keyword">typename</span> ChannelT<span class="special">,</span>
 699                <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> <span class="keyword">typename</span> ChannelTagT<span class="special">,</span>
 700                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span>
 701                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 702         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 703         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 704                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 705                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 706                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 707       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 708                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 709                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span>
 710                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 711         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">fallback_to_none</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 712         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 713                                 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 714                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 715                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 716       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> ChannelT<span class="special">,</span> <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span>
 717                <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 718                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 719                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span>
 720                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 721         <span class="identifier">channel_severity_filter_actor</span><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">ChannelOrderT</span><span class="special">,</span> <span class="identifier">SeverityCompareT</span><span class="special">,</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">allocator</span><span class="special">&lt;</span> <span class="keyword">void</span> <span class="special">&gt;</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span>
 722         <a class="link" href="boost/log/expressions/channel_severity_filter.html" title="Function channel_severity_filter"><span class="identifier">channel_severity_filter</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">ChannelT</span><span class="special">,</span> <span class="identifier">ChannelFallbackT</span><span class="special">,</span> <span class="identifier">ChannelTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 723                                 <a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">SeverityT</span><span class="special">,</span> <span class="identifier">SeverityFallbackT</span><span class="special">,</span> <span class="identifier">SeverityTagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 724                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 725                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 726     <span class="special">}</span>
 727   <span class="special">}</span>
 728 <span class="special">}</span></pre>
 729 </div>
 730 <div class="section">
 731 <div class="titlepage"><div><div><h4 class="title">
 732 <a name="header.boost.log.expressions.predicates.contains_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/predicates/contains.hpp" target="_top">boost/log/expressions/predicates/contains.hpp</a>&gt;</h4></div></div></div>
 733 <p>Andrey Semashev </p>
 734 <p>
 735 </p>
 736 <p>02.09.2012</p>
 737 <p>
 738 The header contains implementation of a <code class="computeroutput">contains</code> predicate in template expressions. </p>
 739 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 740   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 741     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 742       <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/attribute_contains.html" title="Type definition attribute_contains"><span class="identifier">attribute_contains</span></a><span class="special">;</span>
 743       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 744                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 745         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/contains_idp63537104.html" title="Function template contains"><span class="identifier">contains</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 746                              <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 747       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 748                <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 749         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/contains_idp63543744.html" title="Function template contains"><span class="identifier">contains</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 750                              <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 751       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 752         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/contains_idp63549248.html" title="Function template contains"><span class="identifier">contains</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 753     <span class="special">}</span>
 754   <span class="special">}</span>
 755 <span class="special">}</span></pre>
 756 </div>
 757 <div class="section">
 758 <div class="titlepage"><div><div><h4 class="title">
 759 <a name="header.boost.log.expressions.predicates.ends_with_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/predicates/ends_with.hpp" target="_top">boost/log/expressions/predicates/ends_with.hpp</a>&gt;</h4></div></div></div>
 760 <p>Andrey Semashev </p>
 761 <p>
 762 </p>
 763 <p>02.09.2012</p>
 764 <p>
 765 The header contains implementation of a <code class="computeroutput">ends_with</code> predicate in template expressions. </p>
 766 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 767   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 768     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 769       <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/attribute_ends_with.html" title="Type definition attribute_ends_with"><span class="identifier">attribute_ends_with</span></a><span class="special">;</span>
 770       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 771                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 772         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/ends_with_idp63559568.html" title="Function template ends_with"><span class="identifier">ends_with</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 773                               <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 774       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 775                <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 776         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/ends_with_idp63566208.html" title="Function template ends_with"><span class="identifier">ends_with</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 777                               <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 778       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 779         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/ends_with_idp63571712.html" title="Function template ends_with"><span class="identifier">ends_with</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 780     <span class="special">}</span>
 781   <span class="special">}</span>
 782 <span class="special">}</span></pre>
 783 </div>
 784 <div class="section">
 785 <div class="titlepage"><div><div><h4 class="title">
 786 <a name="header.boost.log.expressions.predicates.has_attr_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/predicates/has_attr.hpp" target="_top">boost/log/expressions/predicates/has_attr.hpp</a>&gt;</h4></div></div></div>
 787 <p>Andrey Semashev </p>
 788 <p>
 789 </p>
 790 <p>23.07.2012</p>
 791 <p>
 792 The header contains implementation of a generic attribute presence checker in template expressions. </p>
 793 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 794   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 795     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 796       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/has_attribute.html" title="Class template has_attribute">has_attribute</a><span class="special">;</span>
 797
 798       <span class="keyword">template</span><span class="special">&lt;</span><span class="special">&gt;</span> <span class="keyword">class</span> <a class="link" href="boost/log/expressions/has_attribute__idp63592160.html" title="Class has_attribute&lt;void&gt;">has_attribute</a><span class="special">&lt;</span><span class="keyword">void</span><span class="special">&gt;</span><span class="special">;</span>
 799       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> AttributeValueT<span class="special">&gt;</span>
 800         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/has_attr_idp63607648.html" title="Function template has_attr"><span class="identifier">has_attr</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 801       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">&gt;</span>
 802         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/has_attr_idp63611184.html" title="Function template has_attr"><span class="identifier">has_attr</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 803     <span class="special">}</span>
 804   <span class="special">}</span>
 805 <span class="special">}</span></pre>
 806 </div>
 807 <div class="section">
 808 <div class="titlepage"><div><div><h4 class="title">
 809 <a name="header.boost.log.expressions.predicates.is_debugger_present_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/predicates/is_debugger_present.hpp" target="_top">boost/log/expressions/predicates/is_debugger_present.hpp</a>&gt;</h4></div></div></div>
 810 <p>Andrey Semashev </p>
 811 <p>
 812 </p>
 813 <p>05.12.2012</p>
 814 <p>
 815 The header contains implementation of the <code class="computeroutput">is_debugger_present</code> predicate in template expressions. </p>
 816 </div>
 817 <div class="section">
 818 <div class="titlepage"><div><div><h4 class="title">
 819 <a name="header.boost.log.expressions.predicates.is_in_range_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/predicates/is_in_range.hpp" target="_top">boost/log/expressions/predicates/is_in_range.hpp</a>&gt;</h4></div></div></div>
 820 <p>Andrey Semashev </p>
 821 <p>
 822 </p>
 823 <p>02.09.2012</p>
 824 <p>
 825 The header contains implementation of an <code class="computeroutput">is_in_range</code> predicate in template expressions. </p>
 826 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 827   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 828     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 829       <span class="keyword">typedef</span> <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/attribute_is_in_range.html" title="Type definition attribute_is_in_range"><span class="identifier">attribute_is_in_range</span></a><span class="special">;</span>
 830       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 831                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> BoundaryT<span class="special">&gt;</span>
 832         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/is_in_range_idp63623744.html" title="Function template is_in_range"><span class="identifier">is_in_range</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 833                                 <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 834       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 835                <span class="keyword">typename</span> BoundaryT<span class="special">&gt;</span>
 836         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/is_in_range_idp63631552.html" title="Function template is_in_range"><span class="identifier">is_in_range</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 837                                 <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 838       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> BoundaryT<span class="special">&gt;</span>
 839         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/is_in_range_idp63638224.html" title="Function template is_in_range"><span class="identifier">is_in_range</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 840                                 <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 841     <span class="special">}</span>
 842   <span class="special">}</span>
 843 <span class="special">}</span></pre>
 844 </div>
 845 <div class="section">
 846 <div class="titlepage"><div><div><h4 class="title">
 847 <a name="header.boost.log.expressions.predicates.matches_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/predicates/matches.hpp" target="_top">boost/log/expressions/predicates/matches.hpp</a>&gt;</h4></div></div></div>
 848 <p>Andrey Semashev </p>
 849 <p>
 850 </p>
 851 <p>02.09.2012</p>
 852 <p>
 853 The header contains implementation of a <code class="computeroutput">matches</code> predicate in template expressions. </p>
 854 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 855   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 856     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 857       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> RegexT<span class="special">,</span>
 858                <span class="keyword">typename</span> FallbackPolicyT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">&gt;</span>
 859         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/attribute_matches.html" title="Class template attribute_matches">attribute_matches</a><span class="special">;</span>
 860       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> FallbackPolicyT<span class="special">,</span> <span class="keyword">typename</span> TagT<span class="special">,</span>
 861                <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span> <span class="keyword">typename</span> RegexT<span class="special">&gt;</span>
 862         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/matches_idp63660768.html" title="Function template matches"><span class="identifier">matches</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_actor.html" title="Class template attribute_actor">attribute_actor</a><span class="special">&lt;</span> <span class="identifier">T</span><span class="special">,</span> <span class="identifier">FallbackPolicyT</span><span class="special">,</span> <span class="identifier">TagT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 863                             <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 864       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> DescriptorT<span class="special">,</span> <span class="keyword">template</span><span class="special">&lt;</span> <span class="keyword">typename</span> <span class="special">&gt;</span> <span class="keyword">class</span> ActorT<span class="special">,</span>
 865                <span class="keyword">typename</span> RegexT<span class="special">&gt;</span>
 866         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/matches_idp63667424.html" title="Function template matches"><span class="identifier">matches</span></a><span class="special">(</span><a class="link" href="boost/log/expressions/attribute_keyword.html" title="Struct template attribute_keyword">attribute_keyword</a><span class="special">&lt;</span> <span class="identifier">DescriptorT</span><span class="special">,</span> <span class="identifier">ActorT</span> <span class="special">&gt;</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 867                             <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 868       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">,</span> <span class="keyword">typename</span> RegexT<span class="special">&gt;</span>
 869         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/matches_idp63672944.html" title="Function template matches"><span class="identifier">matches</span></a><span class="special">(</span><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 870     <span class="special">}</span>
 871   <span class="special">}</span>
 872 <span class="special">}</span></pre>
 873 </div>
 874 <div class="section">
 875 <div class="titlepage"><div><div><h4 class="title">
 876 <a name="header.boost.log.expressions.record_hpp"></a>Header &lt;<a href="../../../../boost/log/expressions/record.hpp" target="_top">boost/log/expressions/record.hpp</a>&gt;</h4></div></div></div>
 877 <p>Andrey Semashev </p>
 878 <p>
 879 </p>
 880 <p>25.07.2012</p>
 881 <p>
 882 The header contains implementation of a log record placeholder in template expressions. </p>
 883 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 884   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 885     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 886       <span class="keyword">typedef</span> <span class="identifier">phoenix</span><span class="special">::</span><span class="identifier">expression</span><span class="special">::</span><span class="identifier">argument</span><span class="special">&lt;</span> <span class="number">1</span> <span class="special">&gt;</span><span class="special">::</span><span class="identifier">type</span> <a class="link" href="boost/log/expressions/record_type.html" title="Type definition record_type"><span class="identifier">record_type</span></a><span class="special">;</span>
 887
 888       <span class="keyword">const</span> <span class="identifier">record_type</span> <a class="link" href="boost/log/expressions/record.html" title="Global record">record</a><span class="special">;</span>
 889     <span class="special">}</span>
 890   <span class="special">}</span>
 891 <span class="special">}</span></pre>
 892 </div>
 893 </div>
 894 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 895 <td align="left"></td>
 896 <td align="right"><div class="copyright-footer">Copyright &#169; 2007-2016 Andrey Semashev<p>
 897         Distributed under the Boost Software License, Version 1.0. (See accompanying
 898         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>).
 899       </p>
 900 </div></td>
 901 </tr></table>
 902 <hr>
 903 <div class="spirit-nav">
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