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<h2><span class="refentrytitle">Macro BOOST_VMD_IS_MULTI</span></h2>
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<p>BOOST_VMD_IS_MULTI — Determines if the sequence has more than one element, referred to as a multi-element sequence. </p>
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<div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="comment">// In header: <<a class="link" href="header/boost/vmd/is_multi_hpp.html" title="Header <boost/vmd/is_multi.hpp>">boost/vmd/is_multi.hpp</a>>
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</span>BOOST_VMD_IS_MULTI(sequence)</pre></div>
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<a name="idm45711064719344"></a><h2>Description</h2>
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<p>sequence = a sequence</p>
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<p>returns = 1 if the sequence is a multi-element sequence, else returns 0.</p>
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<p>If the size of a sequence is known it is faster comparing that size to be greater than one to find out if the sequence is multi-element. But if the size of the sequence is not known it is faster calling this macro than getting the size and doing the previously mentioned comparison in order to determine if the sequence is multi-element or not. </p>
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