60;</td><td class="mdescRight">Returns its argument unchanged.  <br /></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Identity function object (waiting for C++20). </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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