t;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> date_type<span class="special">&gt;</span> 
<span class="keyword">struct</span> <a class="link" href="acst_dst_trait.html" title="Struct template acst_dst_trait">acst_dst_trait</a> <span class="special">{</span>
  <span class="comment">// types</span>
  <span class="keyword">typedef</span> <span class="identifier">date_type</span><span class="special">::</span><span class="identifier">day_o