lass="keyword">void</span>         <a name="boost.icl.unit_element_b_idp40217488.result_type"></a><span class="identifier">result_type</span><span class="special">;</span>         

  <span class="comment">// <a class="link" href="unit_element_b_idp40217488.html#idp40221296-bb">public static functions</a></span>
  <span class="keyword">static</span> <span class="identifier">Type</span> <a class="link" href="unit_element_b_idp40217488.html#idp40221856-bb"><span class="identifier">identity_element</span></a><