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&#160;</td><td class="memItemRight" valign="bottom"><b>reference</b> (<a class="el" href="a09723.html">dynamic_bitset</a> &amp;__b, size_type __pos) noexcept</td></tr>
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class&#160;</td><td class="memItemRight" valign="bottom"><b>dynamic_bitset</b></td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template&lt;typename _WordT = unsigned long long, typename _Alloc = std::allocator&lt;_WordT&gt;&gt;<br />
class std::tr2::dynamic_bitset&lt; _WordT, _Alloc &gt;::reference</h3>

<p>This encapsulates the concept of a single bit. An instance of this class is a proxy for an actual bit; this way the individual bit operations are done as faster word-size bitwise instructions.</p>
<p>Most users will never need to use this class directly; conversions to and from bool are automatic and should be transparent. Overloaded operators help to preserve the illusion.</p>
<p>(On a typical system, this "bit %reference" is 64 times the size of an actual bit. Ha.) </p>

<p class="definition">Definition at line <a class="el" href="a00989_source.html#l00513">513</a> of file <a class="el" href="a00989_source.html">dynamic_bitset</a>.</p>
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