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  26 <div class="refentry">
  27 <a name="boost.posix_time.time_duration"></a><div class="titlepage"></div>
  28 <div class="refnamediv">
  29 <h2><span class="refentrytitle">Class time_duration</span></h2>
  30 <p>boost::posix_time::time_duration &#8212; Base time duration type. </p>
  31 </div>
  32 <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
  33 <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.posix_time.posix_time_config_hpp" title="Header &lt;boost/date_time/posix_time/posix_time_config.hpp&gt;">boost/date_time/posix_time/posix_time_config.hpp</a>&gt;
  34
  35 </span>
  36 <span class="keyword">class</span> <a class="link" href="time_duration.html" title="Class time_duration">time_duration</a> <span class="special">:</span>
  37   <span class="keyword">public</span> <span class="identifier">date_time</span><span class="special">::</span><span class="identifier">time_duration</span><span class="special">&lt;</span> <span class="identifier">time_duration</span><span class="special">,</span> <span class="identifier">time_res_traits</span> <span class="special">&gt;</span>
  38 <span class="special">{</span>
  39 <span class="keyword">public</span><span class="special">:</span>
  40   <span class="comment">// types</span>
  41   <span class="keyword">typedef</span> <span class="identifier">time_res_traits</span>                          <a name="boost.posix_time.time_duration.rep_type"></a><span class="identifier">rep_type</span><span class="special">;</span>
  42   <span class="keyword">typedef</span> <span class="identifier">time_res_traits</span><span class="special">::</span><span class="identifier">day_type</span>                <a name="boost.posix_time.time_duration.day_type"></a><span class="identifier">day_type</span><span class="special">;</span>
  43   <span class="keyword">typedef</span> <span class="identifier">time_res_traits</span><span class="special">::</span><span class="identifier">hour_type</span>               <a name="boost.posix_time.time_duration.hour_type"></a><span class="identifier">hour_type</span><span class="special">;</span>
  44   <span class="keyword">typedef</span> <span class="identifier">time_res_traits</span><span class="special">::</span><span class="identifier">min_type</span>                <a name="boost.posix_time.time_duration.min_type"></a><span class="identifier">min_type</span><span class="special">;</span>
  45   <span class="keyword">typedef</span> <span class="identifier">time_res_traits</span><span class="special">::</span><span class="identifier">sec_type</span>                <a name="boost.posix_time.time_duration.sec_type"></a><span class="identifier">sec_type</span><span class="special">;</span>
  46   <span class="keyword">typedef</span> <span class="identifier">time_res_traits</span><span class="special">::</span><span class="identifier">fractional_seconds_type</span> <a name="boost.posix_time.time_duration.fractional_seconds_type"></a><span class="identifier">fractional_seconds_type</span><span class="special">;</span>
  47   <span class="keyword">typedef</span> <span class="identifier">time_res_traits</span><span class="special">::</span><span class="identifier">tick_type</span>               <a name="boost.posix_time.time_duration.tick_type"></a><span class="identifier">tick_type</span><span class="special">;</span>
  48   <span class="keyword">typedef</span> <span class="identifier">time_res_traits</span><span class="special">::</span><span class="identifier">impl_type</span>               <a name="boost.posix_time.time_duration.impl_type"></a><span class="identifier">impl_type</span><span class="special">;</span>
  49
  50   <span class="comment">// <a class="link" href="time_duration.html#boost.posix_time.time_durationconstruct-copy-destruct">construct/copy/destruct</a></span>
  51   <a class="link" href="time_duration.html#idp498517568-bb"><span class="identifier">time_duration</span></a><span class="special">(</span><span class="identifier">hour_type</span><span class="special">,</span> <span class="identifier">min_type</span><span class="special">,</span> <span class="identifier">sec_type</span><span class="special">,</span> <span class="identifier">fractional_seconds_type</span> <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span>
  52   <a class="link" href="time_duration.html#idp498520896-bb"><span class="identifier">time_duration</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span>
  53   <a class="link" href="time_duration.html#idp498521184-bb"><span class="identifier">time_duration</span></a><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">date_time</span><span class="special">::</span><span class="identifier">special_values</span><span class="special">)</span><span class="special">;</span>
  54   <span class="keyword">explicit</span> <a class="link" href="time_duration.html#idp498523216-bb"><span class="identifier">time_duration</span></a><span class="special">(</span><span class="identifier">impl_type</span><span class="special">)</span><span class="special">;</span>
  55 <span class="special">}</span><span class="special">;</span></pre></div>
  56 <div class="refsect1">
  57 <a name="idp236459248"></a><h2>Description</h2>
  58 <div class="refsect2">
  59 <a name="idp236459664"></a><h3>
  60 <a name="boost.posix_time.time_durationconstruct-copy-destruct"></a><code class="computeroutput">time_duration</code>
  61         public
  62        construct/copy/destruct</h3>
  63 <div class="orderedlist"><ol class="orderedlist" type="1">
  64 <li class="listitem"><pre class="literallayout"><a name="idp498517568-bb"></a><span class="identifier">time_duration</span><span class="special">(</span><span class="identifier">hour_type</span> hour<span class="special">,</span> <span class="identifier">min_type</span> min<span class="special">,</span> <span class="identifier">sec_type</span> sec<span class="special">,</span>
  65               <span class="identifier">fractional_seconds_type</span> fs <span class="special">=</span> <span class="number">0</span><span class="special">)</span><span class="special">;</span></pre></li>
  66 <li class="listitem"><pre class="literallayout"><a name="idp498520896-bb"></a><span class="identifier">time_duration</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre></li>
  67 <li class="listitem">
  68 <pre class="literallayout"><a name="idp498521184-bb"></a><span class="identifier">time_duration</span><span class="special">(</span><span class="identifier">boost</span><span class="special">::</span><span class="identifier">date_time</span><span class="special">::</span><span class="identifier">special_values</span> sv<span class="special">)</span><span class="special">;</span></pre>Construct from special_values. </li>
  69 <li class="listitem"><pre class="literallayout"><span class="keyword">explicit</span> <a name="idp498523216-bb"></a><span class="identifier">time_duration</span><span class="special">(</span><span class="identifier">impl_type</span> tick_count<span class="special">)</span><span class="special">;</span></pre></li>
  70 </ol></div>
  71 </div>
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  77     <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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