<?xml version="1.0" encoding="utf-8" ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="generator" content="Docutils 0.6: http://docutils.sourceforge.net/" /> <title>The MPL Reference Manual: bitand_</title> <link rel="stylesheet" href="../style.css" type="text/css" /> </head> <body class="docframe refmanual"> <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> <a href="./bitor.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group">Back <a href="./bitor.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./bitwise-operations.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> <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> </tr></table><div class="header-separator"></div> <div class="section" id="bitand"> <h1><a class="toc-backref" href="./bitwise-operations.html#id1537">bitand_</a></h1> <div class="section" id="id1089"> <h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> <pre class="literal-block"> template< typename T1 , typename T2 , typename T3 = <em>unspecified</em> <em>...</em> , typename T<em>n</em> = <em>unspecified</em> > struct <a href="./bitand.html" class="identifier">bitand_</a> { typedef <em>unspecified</em> type; }; </pre> </div> <div class="section" id="id1090"> <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> <p>Returns the result of <em>bitwise and</em> (<tt class="literal"><span class="pre">&</span></tt>) operation of its arguments.</p> </div> <div class="section" id="id1091"> <h3><a class="subsection-title" href="#header" name="header">Header</a></h3> <pre class="literal-block"> #include <<a href="../../../../boost/mpl/bitand.hpp" class="header">boost/mpl/bitand.hpp</a>> #include <<a href="../../../../boost/mpl/bitwise.hpp" class="header">boost/mpl/bitwise.hpp</a>> </pre> </div> <div class="section" id="id1092"> <h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3> <p><a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a></p> </div> <div class="section" id="id1093"> <h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3> <table border="1" class="docutils table"> <colgroup> <col width="17%" /> <col width="30%" /> <col width="53%" /> </colgroup> <thead valign="bottom"> <tr><th class="head">Parameter</th> <th class="head">Requirement</th> <th class="head">Description</th> </tr> </thead> <tbody valign="top"> <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> <td><a class="reference internal" href="./integral-constant.html">Integral Constant</a></td> <td>Operation's arguments.</td> </tr> </tbody> </table> <p>[<em>Note:</em> The requirements listed in this specification are the ones imposed by the default implementation. See <a class="reference internal" href="./numeric-metafunction.html">Numeric Metafunction</a> concept for the details on how to provide an implementation for a user-defined numeric type that does not satisfy the <a class="reference internal" href="./integral-constant.html">Integral Constant</a> requirements. — <em>end note</em>]</p> </div> <div class="section" id="id1094"> <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> <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> <pre class="literal-block"> typedef <a href="./bitand.html" class="identifier">bitand_</a><c1,<em>...</em>c<em>n</em>>::type r; </pre> <table class="docutils field-list" frame="void" rules="none"> <col class="field-name" /> <col class="field-body" /> <tbody valign="top"> <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> </td> </tr> <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p> <pre class="last literal-block"> typedef <a href="./integral-c.html" class="identifier">integral_c</a>< typeof(c1::value & c2::value) , ( c1::value & c2::value ) > c; typedef <a href="./bitand.html" class="identifier">bitand_</a><c,c3,<em>...</em>c<em>n</em>>::type r; </pre> </td> </tr> </tbody> </table> <!-- .......................................................................... --> <pre class="literal-block"> typedef <a href="./bitand.html" class="identifier">bitand_</a><c1,<em>...</em>c<em>n</em>> r; </pre> <table class="docutils field-list" frame="void" rules="none"> <col class="field-name" /> <col class="field-body" /> <tbody valign="top"> <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> </td> </tr> <tr class="field"><th class="field-name">Semantics:</th><td class="field-body"><p class="first">Equivalent to</p> <pre class="last literal-block"> struct r : <a href="./bitand.html" class="identifier">bitand_</a><c1,<em>...</em>c<em>n</em>>::type {}; </pre> </td> </tr> </tbody> </table> </div> <div class="section" id="id1095"> <h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3> <p>Amortized constant time.</p> </div> <div class="section" id="id1096"> <h3><a class="subsection-title" href="#example" name="example">Example</a></h3> <pre class="literal-block"> typedef <a href="./integral-c.html" class="identifier">integral_c</a><unsigned,0> u0; typedef <a href="./integral-c.html" class="identifier">integral_c</a><unsigned,1> u1; typedef <a href="./integral-c.html" class="identifier">integral_c</a><unsigned,2> u2; typedef <a href="./integral-c.html" class="identifier">integral_c</a><unsigned,8> u8; typedef <a href="./integral-c.html" class="identifier">integral_c</a><unsigned,0xffffffff> uffffffff; <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a><u0,u0>::value), ==, 0 ); <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a><u1,u0>::value), ==, 0 ); <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a><u0,u1>::value), ==, 0 ); <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a><u0,uffffffff>::value), ==, 0 ); <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a><u1,uffffffff>::value), ==, 1 ); <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitand.html" class="identifier">bitand_</a><u8,uffffffff>::value), ==, 8 ); </pre> </div> <div class="section" id="id1097"> <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> <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> <!-- Metafunctions/Bitwise Operations//bitor_ --> </div> </div> <div class="footer-separator"></div> <table class="footer"><tr class="footer"><td class="header-group navigation-bar"><span class="navigation-group"><a href="./bitwise-operations.html" class="navigation-link">Prev</a> <a href="./bitor.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group">Back <a href="./bitor.html" class="navigation-link">Along</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./bitwise-operations.html" class="navigation-link">Up</a> <a href="../refmanual.html" class="navigation-link">Home</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./refmanual_toc.html" class="navigation-link">Full TOC</a></span></td> <td><div class="copyright-footer"><div class="copyright">Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams</div> Distributed under the Boost Software License, Version 1.0. (See accompanying file 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> </html>