ment</a> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// <a class="link" href="environment.html#boost.mpi.environmentconstruct-copy-destruct">construct/copy/destruct</a></span>
  <span class="keyword">explicit</span> <a class="link" href="environment.html#idp43986640-bb"><span class="identifier">environment</span></a><span class="special">(</span><span class="keyword">bool</span> <span class="special">=</span> <span class="keyword">