 class="identifier">int_type</span><span class="special">;</span> 
  <span class="keyword">typedef</span> <a class="link" href="int_adapter.html" title="Class template int_adapter">boost::date_time::int_adapter</a><span class="special">&lt;</span> <span class="keyword">long</span> <span class="special">&gt;</span> <a name="boost.date_time.duration_traits_adapted.impl_type"></a><span class="identifier">impl_type</span><span class="special">;</span>

  <span class="comment">// <a class="link" href="duration_t