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  25 <div class="refentry">
  26 <a name="boost.date_time.counted_time_system"></a><div class="titlepage"></div>
  27 <div class="refnamediv">
  28 <h2><span class="refentrytitle">Class template counted_time_system</span></h2>
  29 <p>boost::date_time::counted_time_system &#8212; An unadjusted time system implementation. </p>
  30 </div>
  31 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  32 <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: &lt;<a class="link" href="../../date_time/doxy.html#header.boost.date_time.time_system_counted_hpp" title="Header &lt;boost/date_time/time_system_counted.hpp&gt;">boost/date_time/time_system_counted.hpp</a>&gt;
  33
  34 </span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> time_rep<span class="special">&gt;</span>
  35 <span class="keyword">class</span> <a class="link" href="counted_time_system.html" title="Class template counted_time_system">counted_time_system</a> <span class="special">{</span>
  36 <span class="keyword">public</span><span class="special">:</span>
  37   <span class="comment">// types</span>
  38   <span class="keyword">typedef</span> <span class="identifier">time_rep</span>                                    <a name="boost.date_time.counted_time_system.time_rep_type"></a><span class="identifier">time_rep_type</span><span class="special">;</span>
  39   <span class="keyword">typedef</span> <span class="identifier">time_rep_type</span><span class="special">::</span><span class="identifier">impl_type</span>                    <a name="boost.date_time.counted_time_system.impl_type"></a><span class="identifier">impl_type</span><span class="special">;</span>
  40   <span class="keyword">typedef</span> <span class="identifier">time_rep_type</span><span class="special">::</span><span class="identifier">time_duration_type</span>           <a name="boost.date_time.counted_time_system.time_duration_type"></a><span class="identifier">time_duration_type</span><span class="special">;</span>
  41   <span class="keyword">typedef</span> <span class="identifier">time_duration_type</span><span class="special">::</span><span class="identifier">fractional_seconds_type</span> <a name="boost.date_time.counted_time_system.fractional_seconds_type"></a><span class="identifier">fractional_seconds_type</span><span class="special">;</span>
  42   <span class="keyword">typedef</span> <span class="identifier">time_rep_type</span><span class="special">::</span><span class="identifier">date_type</span>                    <a name="boost.date_time.counted_time_system.date_type"></a><span class="identifier">date_type</span><span class="special">;</span>
  43   <span class="keyword">typedef</span> <span class="identifier">time_rep_type</span><span class="special">::</span><span class="identifier">date_duration_type</span>           <a name="boost.date_time.counted_time_system.date_duration_type"></a><span class="identifier">date_duration_type</span><span class="special">;</span>
  44
  45   <span class="comment">// <a class="link" href="counted_time_system.html#idp45736912-bb">public static functions</a></span>
  46   <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">static</span> <span class="keyword">void</span> <a class="link" href="counted_time_system.html#idp45737472-bb"><span class="identifier">unused_var</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  47   <span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  48   <a class="link" href="counted_time_system.html#idp108478336-bb"><span class="identifier">get_time_rep</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&amp;</span><span class="special">,</span>
  49                <span class="identifier">date_time</span><span class="special">::</span><span class="identifier">dst_flags</span> <span class="special">=</span> <span class="identifier">not_dst</span><span class="special">)</span><span class="special">;</span>
  50   <span class="keyword">static</span> <span class="identifier">time_rep_type</span> <a class="link" href="counted_time_system.html#idp46582528-bb"><span class="identifier">get_time_rep</span></a><span class="special">(</span><span class="identifier">special_values</span><span class="special">)</span><span class="special">;</span>
  51   <span class="keyword">static</span> <span class="identifier">date_type</span> <a class="link" href="counted_time_system.html#idp98525696-bb"><span class="identifier">get_date</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  52   <span class="keyword">static</span> <span class="identifier">time_duration_type</span> <a class="link" href="counted_time_system.html#idp94388992-bb"><span class="identifier">get_time_of_day</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  53   <span class="keyword">static</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a class="link" href="counted_time_system.html#idp94390768-bb"><span class="identifier">zone_name</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  54   <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="counted_time_system.html#idp101123504-bb"><span class="identifier">is_equal</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  55   <span class="keyword">static</span> <span class="keyword">bool</span> <a class="link" href="counted_time_system.html#idp101125888-bb"><span class="identifier">is_less</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  56   <span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  57   <a class="link" href="counted_time_system.html#idp95759552-bb"><span class="identifier">add_days</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">date_duration_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  58   <span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  59   <a class="link" href="counted_time_system.html#idp74303152-bb"><span class="identifier">subtract_days</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">date_duration_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  60   <span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  61   <a class="link" href="counted_time_system.html#idp94130832-bb"><span class="identifier">subtract_time_duration</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  62   <span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  63   <a class="link" href="counted_time_system.html#idp94133344-bb"><span class="identifier">add_time_duration</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="identifier">time_duration_type</span><span class="special">)</span><span class="special">;</span>
  64   <span class="keyword">static</span> <span class="identifier">time_duration_type</span>
  65   <a class="link" href="counted_time_system.html#idp108332112-bb"><span class="identifier">subtract_times</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  66 <span class="special">}</span><span class="special">;</span></pre></div>
  67 <div class="refsect1">
  68 <a name="idp198406544"></a><h2>Description</h2>
  69 <div class="refsect2">
  70 <a name="idp198406960"></a><h3>
  71 <a name="idp45736912-bb"></a><code class="computeroutput">counted_time_system</code> public static functions</h3>
  72 <div class="orderedlist"><ol class="orderedlist" type="1">
  73 <li class="listitem"><pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> T<span class="special">&gt;</span> <span class="keyword">static</span> <span class="keyword">void</span> <a name="idp45737472-bb"></a><span class="identifier">unused_var</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">T</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span></pre></li>
  74 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  75 <a name="idp108478336-bb"></a><span class="identifier">get_time_rep</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">date_type</span> <span class="special">&amp;</span> day<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&amp;</span> tod<span class="special">,</span>
  76              <span class="identifier">date_time</span><span class="special">::</span><span class="identifier">dst_flags</span> dst <span class="special">=</span> <span class="identifier">not_dst</span><span class="special">)</span><span class="special">;</span></pre></li>
  77 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span> <a name="idp46582528-bb"></a><span class="identifier">get_time_rep</span><span class="special">(</span><span class="identifier">special_values</span> sv<span class="special">)</span><span class="special">;</span></pre></li>
  78 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">date_type</span> <a name="idp98525696-bb"></a><span class="identifier">get_date</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> val<span class="special">)</span><span class="special">;</span></pre></li>
  79 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_duration_type</span> <a name="idp94388992-bb"></a><span class="identifier">get_time_of_day</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> val<span class="special">)</span><span class="special">;</span></pre></li>
  80 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <a name="idp94390768-bb"></a><span class="identifier">zone_name</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span></pre></li>
  81 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="idp101123504-bb"></a><span class="identifier">is_equal</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre></li>
  82 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="keyword">bool</span> <a name="idp101125888-bb"></a><span class="identifier">is_less</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre></li>
  83 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  84 <a name="idp95759552-bb"></a><span class="identifier">add_days</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> base<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">date_duration_type</span> <span class="special">&amp;</span> dd<span class="special">)</span><span class="special">;</span></pre></li>
  85 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  86 <a name="idp74303152-bb"></a><span class="identifier">subtract_days</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> base<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">date_duration_type</span> <span class="special">&amp;</span> dd<span class="special">)</span><span class="special">;</span></pre></li>
  87 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  88 <a name="idp94130832-bb"></a><span class="identifier">subtract_time_duration</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> base<span class="special">,</span>
  89                        <span class="keyword">const</span> <span class="identifier">time_duration_type</span> <span class="special">&amp;</span> td<span class="special">)</span><span class="special">;</span></pre></li>
  90 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_rep_type</span>
  91 <a name="idp94133344-bb"></a><span class="identifier">add_time_duration</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> base<span class="special">,</span> <span class="identifier">time_duration_type</span> td<span class="special">)</span><span class="special">;</span></pre></li>
  92 <li class="listitem"><pre class="literallayout"><span class="keyword">static</span> <span class="identifier">time_duration_type</span>
  93 <a name="idp108332112-bb"></a><span class="identifier">subtract_times</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> lhs<span class="special">,</span> <span class="keyword">const</span> <span class="identifier">time_rep_type</span> <span class="special">&amp;</span> rhs<span class="special">)</span><span class="special">;</span></pre></li>
  94 </ol></div>
  95 </div>
  96 </div>
  97 </div>
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 101     <code class="filename">LICENSE_1_0.txt</code> or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</p>
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