nd, respectively, variables into lambda expressions, and can be used to prevent the immediate evaluation of subexpressions:
</p>
<pre class="programlisting">
for_each(vp.begin(), vp.end(), cout &lt;&lt; constant('\n') &lt;&lt; *_1);
</pre>
<p>
These functions are described more thoroughly in <a class="xref" href="le_in_details.html#lambda.delaying_constants_and_variables" title="Delaying constants and variables">the section called &#8220;Delaying constants and variables&#8221;</a>

</p>
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