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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.named_scope_hpp">Header &lt;boost/log/expressions/formatters/named_scope.hpp&gt;</a></span></dt>
  34 <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>
  35 <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>
  36 <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>
  37 <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>
  38 <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>
  39 <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>
  40 <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>
  41 <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>
  42 <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>
  43 <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>
  44 <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>
  45 <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>
  46 <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>
  47 <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>
  48 <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>
  49 <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>
  50 <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>
  51 </dl></div>
  52 <div class="section">
  53 <div class="titlepage"><div><div><h4 class="title">
  54 <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>
  55 <p>Andrey Semashev </p>
  56 <p>
  57 </p>
  58 <p>21.07.2012</p>
  59 <p>
  60 The header contains implementation of a generic attribute placeholder in template expressions. </p>
  61 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
  62   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
  63     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
  64       <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>
  65         <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>
  66       <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>
  67                <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>
  68         <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>
  69       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> AttributeValueT<span class="special">&gt;</span>
  70         <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_idp34659856.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>
  71       <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>
  72         <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>
  73         <a class="link" href="boost/log/expressions/attr_idp34663072.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>
  74     <span class="special">}</span>
  75   <span class="special">}</span>
  76 <span class="special">}</span></pre>
  77 </div>
  78 <div class="section">
  79 <div class="titlepage"><div><div><h4 class="title">
  80 <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>
  81 <p>Andrey Semashev </p>
  82 <p>
  83 </p>
  84 <p>21.07.2012</p>
  85 <p>
  86 The header contains forward declaration of a generic attribute placeholder in template expressions. </p>
  87 </div>
  88 <div class="section">
  89 <div class="titlepage"><div><div><h4 class="title">
  90 <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>
  91 <p>Andrey Semashev </p>
  92 <p>
  93 </p>
  94 <p>13.07.2012</p>
  95 <p>
  96 The header contains a filter function object definition. </p>
  97 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
  98   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
  99     <span class="keyword">class</span> <a class="link" href="boost/log/filter.html" title="Class filter">filter</a><span class="special">;</span>
 100     <span class="keyword">void</span> <a class="link" href="boost/log/swap_idp34704784.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>
 101   <span class="special">}</span>
 102 <span class="special">}</span></pre>
 103 </div>
 104 <div class="section">
 105 <div class="titlepage"><div><div><h4 class="title">
 106 <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>
 107 <p>Andrey Semashev </p>
 108 <p>
 109 </p>
 110 <p>13.07.2012</p>
 111 <p>
 112 The header contains a formatter function object definition. </p>
 113 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 114   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 115     <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>
 116
 117     <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>
 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">wchar_t</span> <span class="special">&gt;</span> <a name="boost.log.wformatter"></a><span class="identifier">wformatter</span><span class="special">;</span>
 119     <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 120       <span class="keyword">void</span> <a class="link" href="boost/log/swap_idp34742064.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>
 121     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 122     <span class="special">}</span>
 123   <span class="special">}</span>
 124 <span class="special">}</span></pre>
 125 </div>
 126 <div class="section">
 127 <div class="titlepage"><div><div><h4 class="title">
 128 <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>
 129 <p>Andrey Semashev </p>
 130 <p>
 131 </p>
 132 <p>10.11.2012</p>
 133 <p>
 134 The header includes all template expression formatters. </p>
 135 </div>
 136 <div class="section">
 137 <div class="titlepage"><div><div><h4 class="title">
 138 <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>
 139 <p>Andrey Semashev </p>
 140 <p>
 141 </p>
 142 <p>18.11.2012</p>
 143 <p>
 144 The header contains implementation of C-style character decorators. </p>
 145 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 146   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 147     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 148       <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>
 149
 150       <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>
 151       <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>
 152       <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>
 153       <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>
 154       <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>
 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_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>
 156     <span class="special">}</span>
 157   <span class="special">}</span>
 158 <span class="special">}</span></pre>
 159 </div>
 160 <div class="section">
 161 <div class="titlepage"><div><div><h4 class="title">
 162 <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>
 163 <p>Andrey Semashev </p>
 164 <p>
 165 </p>
 166 <p>17.11.2012</p>
 167 <p>
 168 The header contains implementation of a character decorator. </p>
 169 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 170   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 171     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 172       <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>
 173       <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>
 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">,</span>
 175                <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>
 176         <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>
 177       <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_idp36105200.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>
 178       <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>
 179         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/char_decor_idp36110368.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>
 180     <span class="special">}</span>
 181   <span class="special">}</span>
 182 <span class="special">}</span></pre>
 183 </div>
 184 <div class="section">
 185 <div class="titlepage"><div><div><h4 class="title">
 186 <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>
 187 <p>Andrey Semashev </p>
 188 <p>
 189 </p>
 190 <p>18.11.2012</p>
 191 <p>
 192 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>
 193 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 194   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 195     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 196       <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>
 197       <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>
 198       <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>
 199     <span class="special">}</span>
 200   <span class="special">}</span>
 201 <span class="special">}</span></pre>
 202 </div>
 203 <div class="section">
 204 <div class="titlepage"><div><div><h4 class="title">
 205 <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>
 206 <p>Andrey Semashev </p>
 207 <p>
 208 </p>
 209 <p>16.09.2012</p>
 210 <p>
 211 The header contains a formatter function for date and time attribute values. </p>
 212 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 213   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 214     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 215       <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>
 216         <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>
 217       <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>
 218                <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>
 219         <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>
 220       <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>
 221         <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>
 222         <a class="link" href="boost/log/expressions/format_date_ti_idp36182496.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>
 223       <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>
 224         <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>
 225         <a class="link" href="boost/log/expressions/format_date_ti_idp36188560.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>
 226                          <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>
 227       <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>
 228                <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 229         <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>
 230         <a class="link" href="boost/log/expressions/format_date_ti_idp36194640.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>
 231                          <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 232       <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>
 233                <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 234         <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>
 235         <a class="link" href="boost/log/expressions/format_date_ti_idp36201888.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>
 236                          <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>
 237       <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>
 238                <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>
 239         <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>
 240         <a class="link" href="boost/log/expressions/format_date_ti_idp36209152.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>
 241                          <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 242       <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>
 243                <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>
 244         <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>
 245         <a class="link" href="boost/log/expressions/format_date_ti_idp36217504.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>
 246                          <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>
 247     <span class="special">}</span>
 248   <span class="special">}</span>
 249 <span class="special">}</span></pre>
 250 </div>
 251 <div class="section">
 252 <div class="titlepage"><div><div><h4 class="title">
 253 <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>
 254 <p>Andrey Semashev </p>
 255 <p>
 256 </p>
 257 <p>15.11.2012</p>
 258 <p>
 259 The header contains a generic log record formatter function. </p>
 260 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 261   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 262     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 263       <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>
 264       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 265         <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_idp36243280.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>
 266       <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>
 267         <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>
 268         <a class="link" href="boost/log/expressions/format_idp36246656.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>
 269     <span class="special">}</span>
 270   <span class="special">}</span>
 271 <span class="special">}</span></pre>
 272 </div>
 273 <div class="section">
 274 <div class="titlepage"><div><div><h4 class="title">
 275 <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>
 276 <p>Andrey Semashev </p>
 277 <p>
 278 </p>
 279 <p>17.11.2012</p>
 280 <p>
 281 The header contains implementation of a conditional formatter. </p>
 282 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 283   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 284     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 285       <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>
 286     <span class="special">}</span>
 287   <span class="special">}</span>
 288 <span class="special">}</span></pre>
 289 </div>
 290 <div class="section">
 291 <div class="titlepage"><div><div><h4 class="title">
 292 <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>
 293 <p>Andrey Semashev </p>
 294 <p>
 295 </p>
 296 <p>11.11.2012</p>
 297 <p>
 298 The header contains a formatter function for named scope attribute values. </p>
 299 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 300   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 301     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 302       <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>
 303         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/format_named_s_idp36263472.html" title="Class template format_named_scope_terminal">format_named_scope_terminal</a><span class="special">;</span>
 304       <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>
 305                <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>
 306         <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>
 307
 308       <span class="comment">// Scope iteration directions. </span>
 309       <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>
 310       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 311         <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>
 312         <a class="link" href="boost/log/expressions/format_named_s_idp36316432.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>
 313       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 314         <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>
 315         <a class="link" href="boost/log/expressions/format_named_s_idp36321952.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>
 316                            <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>
 317       <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>
 318                <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 319         <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>
 320         <a class="link" href="boost/log/expressions/format_named_s_idp36327488.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>
 321                            <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 322       <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>
 323                <span class="keyword">typename</span> CharT<span class="special">&gt;</span>
 324         <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>
 325         <a class="link" href="boost/log/expressions/format_named_s_idp36334736.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>
 326                            <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>
 327       <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>
 328                <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>
 329         <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>
 330         <a class="link" href="boost/log/expressions/format_named_s_idp36342000.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>
 331                            <span class="keyword">const</span> <span class="identifier">CharT</span> <span class="special">*</span><span class="special">)</span><span class="special">;</span>
 332       <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>
 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="keyword">typename</span> CharT<span class="special">&gt;</span>
 334         <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>
 335         <a class="link" href="boost/log/expressions/format_named_s_idp36350384.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>
 336                            <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>
 337       <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>
 338         <span class="identifier">unspecified</span> <a class="link" href="boost/log/expressions/format_named_s_idp36358784.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>
 339                                        <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>
 340       <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>
 341                <span class="keyword">typename</span><span class="special">...</span> ArgsT<span class="special">&gt;</span>
 342         <span class="identifier">unspecified</span> <a class="link" href="boost/log/expressions/format_named_s_idp36358784.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>
 343                                        <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>
 344       <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>
 345                <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>
 346         <span class="identifier">unspecified</span> <a class="link" href="boost/log/expressions/format_named_s_idp36358784.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>
 347                                        <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>
 348     <span class="special">}</span>
 349   <span class="special">}</span>
 350 <span class="special">}</span></pre>
 351 </div>
 352 <div class="section">
 353 <div class="titlepage"><div><div><h4 class="title">
 354 <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>
 355 <p>Andrey Semashev </p>
 356 <p>
 357 </p>
 358 <p>24.07.2012</p>
 359 <p>
 360 The header contains implementation of a stream placeholder in template expressions. </p>
 361 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 362   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 363     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 364       <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>
 365
 366       <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>
 367     <span class="special">}</span>
 368   <span class="special">}</span>
 369 <span class="special">}</span></pre>
 370 </div>
 371 <div class="section">
 372 <div class="titlepage"><div><div><h4 class="title">
 373 <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>
 374 <p>Andrey Semashev </p>
 375 <p>
 376 </p>
 377 <p>24.11.2012</p>
 378 <p>
 379 The header contains a formatter function wrapper that enables third-party functions to participate in formatting expressions. </p>
 380 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 381   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 382     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 383       <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>
 384       <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>
 385                <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>
 386         <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>
 387       <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_idp36425024.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>
 388       <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>
 389         <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_idp36429344.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>
 390     <span class="special">}</span>
 391   <span class="special">}</span>
 392 <span class="special">}</span></pre>
 393 </div>
 394 <div class="section">
 395 <div class="titlepage"><div><div><h4 class="title">
 396 <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>
 397 <p>Andrey Semashev </p>
 398 <p>
 399 </p>
 400 <p>18.11.2012</p>
 401 <p>
 402 The header contains implementation of a XML-style character decorator. </p>
 403 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 404   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 405     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 406       <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>
 407       <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>
 408       <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>
 409     <span class="special">}</span>
 410   <span class="special">}</span>
 411 <span class="special">}</span></pre>
 412 </div>
 413 <div class="section">
 414 <div class="titlepage"><div><div><h4 class="title">
 415 <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>
 416 <p>Andrey Semashev </p>
 417 <p>
 418 </p>
 419 <p>14.07.2012</p>
 420 <p>
 421 The header contains attribute keyword descriptor detection trait. </p>
 422 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 423   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 424     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 425       <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>
 426       <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>
 427     <span class="special">}</span>
 428   <span class="special">}</span>
 429 <span class="special">}</span></pre>
 430 </div>
 431 <div class="section">
 432 <div class="titlepage"><div><div><h4 class="title">
 433 <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>
 434 <p>Andrey Semashev </p>
 435 <p>
 436 </p>
 437 <p>29.01.2012</p>
 438 <p>
 439 The header contains attribute keyword declaration. </p>
 440 <pre class="synopsis">
 441
 442 <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_)
 443 <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>
 444 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 445   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 446     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 447       <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>
 448         <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>
 449     <span class="special">}</span>
 450   <span class="special">}</span>
 451 <span class="special">}</span></pre>
 452 </div>
 453 <div class="section">
 454 <div class="titlepage"><div><div><h4 class="title">
 455 <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>
 456 <p>Andrey Semashev </p>
 457 <p>
 458 </p>
 459 <p>29.01.2012</p>
 460 <p>
 461 The header contains attribute keyword forward declaration. </p>
 462 </div>
 463 <div class="section">
 464 <div class="titlepage"><div><div><h4 class="title">
 465 <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>
 466 <p>Andrey Semashev </p>
 467 <p>
 468 </p>
 469 <p>13.07.2012</p>
 470 <p>
 471 The header contains log message keyword declaration. </p>
 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">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>
 476       <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>
 477       <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>
 478
 479       <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>
 480       <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>
 481       <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>
 482       <span class="keyword">namespace</span> <span class="identifier">tag</span> <span class="special">{</span>
 483         <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/tag/message.html" title="Struct message">message</a><span class="special">;</span>
 484         <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/tag/smessage.html" title="Struct smessage">smessage</a><span class="special">;</span>
 485         <span class="keyword">struct</span> <a class="link" href="boost/log/expressions/tag/wmessage.html" title="Struct wmessage">wmessage</a><span class="special">;</span>
 486       <span class="special">}</span>
 487     <span class="special">}</span>
 488   <span class="special">}</span>
 489 <span class="special">}</span></pre>
 490 </div>
 491 <div class="section">
 492 <div class="titlepage"><div><div><h4 class="title">
 493 <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>
 494 <p>Andrey Semashev </p>
 495 <p>
 496 </p>
 497 <p>29.01.2012</p>
 498 <p>
 499 The header includes all template expression predicates. </p>
 500 </div>
 501 <div class="section">
 502 <div class="titlepage"><div><div><h4 class="title">
 503 <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>
 504 <p>Andrey Semashev </p>
 505 <p>
 506 </p>
 507 <p>02.09.2012</p>
 508 <p>
 509 The header contains implementation of a <code class="computeroutput">begins_with</code> predicate in template expressions. </p>
 510 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 511   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 512     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 513       <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>
 514       <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>
 515                <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>
 516         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/begins_with_idp36532608.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>
 517                                 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 518       <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>
 519                <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 520         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/begins_with_idp36539248.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>
 521                                 <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 522       <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>
 523         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/begins_with_idp36544752.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>
 524     <span class="special">}</span>
 525   <span class="special">}</span>
 526 <span class="special">}</span></pre>
 527 </div>
 528 <div class="section">
 529 <div class="titlepage"><div><div><h4 class="title">
 530 <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>
 531 <p>Andrey Semashev </p>
 532 <p>
 533 </p>
 534 <p>25.11.2012</p>
 535 <p>
 536 The header contains implementation of a minimal severity per channel filter. </p>
 537 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 538   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 539     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 540       <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>
 541                <span class="keyword">typename</span> ChannelFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span>
 542                <span class="keyword">typename</span> SeverityFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span>
 543                <span class="keyword">typename</span> ChannelOrderT <span class="special">=</span> <span class="identifier">less</span><span class="special">,</span>
 544                <span class="keyword">typename</span> SeverityCompareT <span class="special">=</span> <span class="identifier">greater_equal</span><span class="special">,</span>
 545                <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>
 546         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/channel_severi_idp36553120.html" title="Class template channel_severity_filter_terminal">channel_severity_filter_terminal</a><span class="special">;</span>
 547       <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>
 548                <span class="keyword">typename</span> ChannelFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span>
 549                <span class="keyword">typename</span> SeverityFallbackT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">,</span>
 550                <span class="keyword">typename</span> ChannelOrderT <span class="special">=</span> <span class="identifier">less</span><span class="special">,</span>
 551                <span class="keyword">typename</span> SeverityCompareT <span class="special">=</span> <span class="identifier">greater_equal</span><span class="special">,</span>
 552                <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>
 553                <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>
 554         <span class="keyword">class</span> <a class="link" href="boost/log/expressions/channel_severi_idp36602528.html" title="Class template channel_severity_filter_actor">channel_severity_filter_actor</a><span class="special">;</span>
 555       <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>
 556         <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>
 557         <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>
 558                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 559       <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>
 560                <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>
 561         <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>
 562         <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>
 563                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 564       <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>
 565                <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>
 566         <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>
 567         <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>
 568                                 <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>
 569       <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>
 570                <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>
 571         <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>
 572         <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>
 573                                 <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>
 574       <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>
 575                <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> <span class="keyword">typename</span> ChannelTagT<span class="special">,</span>
 576                <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>
 577         <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>
 578         <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>
 579                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 580       <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>
 581                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 582                <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>
 583         <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>
 584         <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>
 585                                 <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>
 586       <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>
 587                <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 588                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 589                <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>
 590         <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>
 591         <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>
 592                                 <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>
 593       <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>
 594                <span class="keyword">typename</span> SeverityCompareT<span class="special">&gt;</span>
 595         <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>
 596         <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>
 597                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 598                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 599       <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>
 600                <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>
 601         <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>
 602         <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>
 603                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 604                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 605       <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>
 606                <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>
 607         <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>
 608         <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>
 609                                 <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>
 610                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 611       <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>
 612                <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>
 613         <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>
 614         <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>
 615                                 <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>
 616                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 617       <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>
 618                <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> <span class="keyword">typename</span> ChannelTagT<span class="special">,</span>
 619                <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>
 620         <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>
 621         <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>
 622                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 623                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 624       <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>
 625                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 626                <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>
 627         <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>
 628         <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>
 629                                 <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>
 630                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 631       <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>
 632                <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 633                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<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="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>
 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><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>
 637                                 <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>
 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> ChannelT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 640                <span class="keyword">typename</span> SeverityCompareT<span class="special">,</span> <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 641         <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>
 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><span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 643                                 <span class="identifier">attribute_name</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>
 645                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 646       <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>
 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">,</span>
 648                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 649         <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>
 650         <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>
 651                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 652                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 653                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 654       <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>
 655                <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>
 656                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 657         <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>
 658         <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>
 659                                 <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>
 660                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 661                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 662       <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>
 663                <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>
 664                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 665         <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>
 666         <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>
 667                                 <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>
 668                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 669                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 670       <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>
 671                <span class="keyword">typename</span> ChannelFallbackT<span class="special">,</span> <span class="keyword">typename</span> ChannelTagT<span class="special">,</span>
 672                <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>
 673                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 674         <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>
 675         <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>
 676                                 <span class="identifier">attribute_name</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 677                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 678                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 679       <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>
 680                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<span class="special">,</span>
 681                <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>
 682                <span class="keyword">typename</span> ChannelOrderT<span class="special">&gt;</span>
 683         <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>
 684         <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>
 685                                 <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>
 686                                 <span class="identifier">SeverityCompareT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">,</span>
 687                                 <span class="identifier">ChannelOrderT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 688       <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>
 689                <span class="keyword">typename</span> ChannelTagT<span class="special">,</span> <span class="keyword">typename</span> SeverityT<span class="special">,</span>
 690                <span class="keyword">typename</span> SeverityFallbackT<span class="special">,</span> <span class="keyword">typename</span> SeverityTagT<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="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>
 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_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>
 695                                 <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>
 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="special">}</span>
 699   <span class="special">}</span>
 700 <span class="special">}</span></pre>
 701 </div>
 702 <div class="section">
 703 <div class="titlepage"><div><div><h4 class="title">
 704 <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>
 705 <p>Andrey Semashev </p>
 706 <p>
 707 </p>
 708 <p>02.09.2012</p>
 709 <p>
 710 The header contains implementation of a <code class="computeroutput">contains</code> predicate in template expressions. </p>
 711 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 712   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 713     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 714       <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>
 715       <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>
 716                <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>
 717         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/contains_idp36772912.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>
 718                              <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 719       <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>
 720                <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 721         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/contains_idp36779552.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>
 722                              <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 723       <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>
 724         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/contains_idp36785056.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>
 725     <span class="special">}</span>
 726   <span class="special">}</span>
 727 <span class="special">}</span></pre>
 728 </div>
 729 <div class="section">
 730 <div class="titlepage"><div><div><h4 class="title">
 731 <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>
 732 <p>Andrey Semashev </p>
 733 <p>
 734 </p>
 735 <p>02.09.2012</p>
 736 <p>
 737 The header contains implementation of a <code class="computeroutput">ends_with</code> predicate in template expressions. </p>
 738 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 739   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 740     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 741       <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>
 742       <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>
 743                <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>
 744         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/ends_with_idp36795360.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>
 745                               <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 746       <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>
 747                <span class="keyword">typename</span> SubstringT<span class="special">&gt;</span>
 748         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/ends_with_idp36802000.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>
 749                               <span class="identifier">SubstringT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 750       <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>
 751         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/ends_with_idp36807504.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>
 752     <span class="special">}</span>
 753   <span class="special">}</span>
 754 <span class="special">}</span></pre>
 755 </div>
 756 <div class="section">
 757 <div class="titlepage"><div><div><h4 class="title">
 758 <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>
 759 <p>Andrey Semashev </p>
 760 <p>
 761 </p>
 762 <p>23.07.2012</p>
 763 <p>
 764 The header contains implementation of a generic attribute presence checker in template expressions. </p>
 765 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 766   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 767     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 768       <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>
 769
 770       <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__idp36827952.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>
 771       <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> AttributeValueT<span class="special">&gt;</span>
 772         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/has_attr_idp36843440.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>
 773       <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>
 774         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/has_attr_idp36846976.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>
 775     <span class="special">}</span>
 776   <span class="special">}</span>
 777 <span class="special">}</span></pre>
 778 </div>
 779 <div class="section">
 780 <div class="titlepage"><div><div><h4 class="title">
 781 <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>
 782 <p>Andrey Semashev </p>
 783 <p>
 784 </p>
 785 <p>05.12.2012</p>
 786 <p>
 787 The header contains implementation of the <code class="computeroutput">is_debugger_present</code> predicate in template expressions. </p>
 788 </div>
 789 <div class="section">
 790 <div class="titlepage"><div><div><h4 class="title">
 791 <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>
 792 <p>Andrey Semashev </p>
 793 <p>
 794 </p>
 795 <p>02.09.2012</p>
 796 <p>
 797 The header contains implementation of an <code class="computeroutput">is_in_range</code> predicate in template expressions. </p>
 798 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 799   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 800     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 801       <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>
 802       <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>
 803                <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>
 804         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/is_in_range_idp36859520.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>
 805                                 <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>
 806       <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>
 807                <span class="keyword">typename</span> BoundaryT<span class="special">&gt;</span>
 808         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/is_in_range_idp36867328.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>
 809                                 <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>
 810       <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>
 811         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/is_in_range_idp36874000.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>
 812                                 <span class="identifier">BoundaryT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 813     <span class="special">}</span>
 814   <span class="special">}</span>
 815 <span class="special">}</span></pre>
 816 </div>
 817 <div class="section">
 818 <div class="titlepage"><div><div><h4 class="title">
 819 <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>
 820 <p>Andrey Semashev </p>
 821 <p>
 822 </p>
 823 <p>02.09.2012</p>
 824 <p>
 825 The header contains implementation of a <code class="computeroutput">matches</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">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>
 830                <span class="keyword">typename</span> FallbackPolicyT <span class="special">=</span> <span class="identifier">fallback_to_none</span><span class="special">&gt;</span>
 831         <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>
 832       <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>
 833                <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>
 834         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/matches_idp36896560.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>
 835                             <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 836       <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>
 837                <span class="keyword">typename</span> RegexT<span class="special">&gt;</span>
 838         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/matches_idp36903216.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>
 839                             <span class="identifier">RegexT</span> <span class="keyword">const</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
 840       <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>
 841         <span class="emphasis"><em><span class="identifier">unspecified</span></em></span> <a class="link" href="boost/log/expressions/matches_idp36908736.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>
 842     <span class="special">}</span>
 843   <span class="special">}</span>
 844 <span class="special">}</span></pre>
 845 </div>
 846 <div class="section">
 847 <div class="titlepage"><div><div><h4 class="title">
 848 <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>
 849 <p>Andrey Semashev </p>
 850 <p>
 851 </p>
 852 <p>25.07.2012</p>
 853 <p>
 854 The header contains implementation of a log record placeholder in template expressions. </p>
 855 <pre class="synopsis"><span class="keyword">namespace</span> <span class="identifier">boost</span> <span class="special">{</span>
 856   <span class="keyword">namespace</span> <span class="identifier">log</span> <span class="special">{</span>
 857     <span class="keyword">namespace</span> <span class="identifier">expressions</span> <span class="special">{</span>
 858       <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>
 859
 860       <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>
 861     <span class="special">}</span>
 862   <span class="special">}</span>
 863 <span class="special">}</span></pre>
 864 </div>
 865 </div>
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 867 <td align="left"></td>
 868 <td align="right"><div class="copyright-footer">Copyright &#169; 2007-2014 Andrey Semashev<p>
 869         Distributed under the Boost Software License, Version 1.0. (See accompanying
 870         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>).
 871       </p>
 872 </div></td>
 873 </tr></table>
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