="reference internal" href="./lambda-expression.html">Lambda Expression</a></td>
<td>A copying condition.</td>
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<tr><td><tt class="literal"><span class="pre">In</span></tt></td>
<td><a class="reference internal" href="./inserter.html">Inserter</a></td>
<td>An inserter.</td>
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<div class="section" id="id736">
<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
<p>The semantics of an expression are defined onl