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7<title>The MPL Reference Manual: bitand_</title>
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11<table class="header"><tr class="header"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./bitwise-operations.html" class="navigation-link">Prev</a>&nbsp;<a href="./bitor.html" class="navigation-link">Next</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group">Back&nbsp;<a href="./bitor.html" class="navigation-link">Along</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./bitwise-operations.html" class="navigation-link">Up</a>&nbsp;<a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator">&nbsp;|&nbsp;</span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td>
12<td class="header-group page-location"><a href="../refmanual.html" class="navigation-link">Front Page</a> / <a href="./metafunctions.html" class="navigation-link">Metafunctions</a> / <a href="./bitwise-operations.html" class="navigation-link">Bitwise Operations</a> / <a href="./bitand.html" class="navigation-link">bitand_</a></td>
13</tr></table><div class="header-separator"></div>
14<div class="section" id="bitand">
15<h1><a class="toc-backref" href="./bitwise-operations.html#id1554">bitand_</a></h1>
16<div class="section" id="id1089">
17<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
18<pre class="literal-block">
19template&lt;
20 typename T1
21 , typename T2
22 , typename T3 = <em>unspecified</em>
23 <em>...</em>
24 , typename T<em>n</em> = <em>unspecified</em>
25 &gt;
26struct <a href="./bitand.html" class="identifier">bitand_</a>
27{
28 typedef <em>unspecified</em> type;
29};
30</pre>
31</div>
32<div class="section" id="id1090">
33<h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
34<p>Returns the result of <em>bitwise and</em> (<tt class="literal"><span class="pre">&amp;</span></tt>) operation of its arguments.</p>
35</div>
36<div class="section" id="id1091">
37<h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
38<pre class="literal-block">
39#include &lt;<a href="../../../../boost/mpl/bitand.hpp" class="header">boost/mpl/bitand.hpp</a>&gt;
40#include &lt;<a href="../../../../boost/mpl/bitwise.hpp" class="header">boost/mpl/bitwise.hpp</a>&gt;
41</pre>
42</div>
43<div class="section" id="id1092">
44<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
45<p><a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a></p>
46</div>
47<div class="section" id="id1093">
48<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
49<table border="1" class="docutils table">
50<colgroup>
51<col width="17%" />
52<col width="30%" />
53<col width="53%" />
54</colgroup>
55<thead valign="bottom">
56<tr><th class="head">Parameter</th>
57<th class="head">Requirement</th>
58<th class="head">Description</th>
59</tr>
60</thead>
61<tbody valign="top">
62<tr><td><tt class="literal"><span class="pre">T1</span></tt>, <tt class="literal"><span class="pre">T2</span></tt>,... <tt class="literal"><span class="pre">Tn</span></tt></td>
63<td><a class="reference internal" href="./integral-constant.html">Integral Constant</a></td>
64<td>Operation's arguments.</td>
65</tr>
66</tbody>
67</table>
68<p>[<em>Note:</em> The requirements listed in this specification
69are the ones imposed by the default implementation. See <a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a> concept
70for the details on how to provide an implementation for a user-defined numeric type
71that does not satisfy the <a class="reference internal" href="./integral-constant.html">Integral Constant</a> requirements. — <em>end note</em>]</p>
72</div>
73<div class="section" id="id1094">
74<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
75<p>For any <a class="reference internal" href="./integral-constant.html">Integral Constant</a>s <em>c</em><sub>1</sub>,<em>c</em><sub>2</sub>,... <em>c</em><sub>n</sub>:</p>
76<pre class="literal-block">
77typedef <a href="./bitand.html" class="identifier">bitand_</a>&lt;c1,<em>...</em>c<em>n</em>&gt;::type r;
78</pre>
79<table class="docutils field-list" frame="void" rules="none">
80<col class="field-name" />
81<col class="field-body" />
82<tbody valign="top">
83<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first"><a class="reference internal" href="./integral-constant.html">Integral Constant</a>.</p>
84</td>
85</tr>
86<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p>
87<pre class="last literal-block">
88typedef <a href="./integral-c.html" class="identifier">integral_c</a>&lt;
89 typeof(c1::value &amp; c2::value)
90 , ( c1::value &amp; c2::value )
91 &gt; c;
92
93typedef <a href="./bitand.html" class="identifier">bitand_</a>&lt;c,c3,<em>...</em>c<em>n</em>&gt;::type r;
94</pre>
95</td>
96</tr>
97</tbody>
98</table>
99<!-- .......................................................................... -->
100<pre class="literal-block">
101typedef <a href="./bitand.html" class="identifier">bitand_</a>&lt;c1,<em>...</em>c<em>n</em>&gt; r;
102</pre>
103<table class="docutils field-list" frame="void" rules="none">
104<col class="field-name" />
105<col class="field-body" />
106<tbody valign="top">
107<tr class="field"><th class="field-name">Return type:</th><td class="field-body"><p class="first"><a class="reference internal" href="./integral-constant.html">Integral Constant</a>.</p>
108</td>
109</tr>
110<tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p>
111<pre class="last literal-block">
112struct r : <a href="./bitand.html" class="identifier">bitand_</a>&lt;c1,<em>...</em>c<em>n</em>&gt;::type {};
113</pre>
114</td>
115</tr>
116</tbody>
117</table>
118</div>
119<div class="section" id="id1095">
120<h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3>
121<p>Amortized constant time.</p>
122</div>
123<div class="section" id="id1096">
124<h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
125<pre class="literal-block">
126typedef <a href="./integral-c.html" class="identifier">integral_c</a>&lt;unsigned,0&gt; u0;
127typedef <a href="./integral-c.html" class="identifier">integral_c</a>&lt;unsigned,1&gt; u1;
128typedef <a href="./integral-c.html" class="identifier">integral_c</a>&lt;unsigned,2&gt; u2;
129typedef <a href="./integral-c.html" class="identifier">integral_c</a>&lt;unsigned,8&gt; u8;
130typedef <a href="./integral-c.html" class="identifier">integral_c</a>&lt;unsigned,0xffffffff&gt; uffffffff;
131
132<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a>&lt;u0,u0&gt;::value), ==, 0 );
133<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a>&lt;u1,u0&gt;::value), ==, 0 );
134<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a>&lt;u0,u1&gt;::value), ==, 0 );
135<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a>&lt;u0,uffffffff&gt;::value), ==, 0 );
136<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a>&lt;u1,uffffffff&gt;::value), ==, 1 );
137<a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a>&lt;u8,uffffffff&gt;::value), ==, 8 );
138</pre>
139</div>
140<div class="section" id="id1097">
141<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
142<p><a class="reference internal" href="./bitwise-operations.html">Bitwise Operations</a>, <a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a>, <a class="reference internal" href="./numeric-cast.html">numeric_cast</a>, <a class="reference internal" href="./bitor.html">bitor_</a>, <a class="reference internal" href="./bitxor.html">bitxor_</a>, <a class="reference internal" href="./shift-left.html">shift_left</a></p>
143<!-- Metafunctions/Bitwise Operations//bitor_ -->
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149<td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div>
150Distributed under the Boost Software License, Version 1.0. (See accompanying
151file LICENSE_1_0.txt or copy at <a class="reference external" href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)</div></td></tr></table></body>
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