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| <title>The MPL Reference Manual: bitor_</title> |
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| <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="./bitor.html" class="navigation-link">bitor_</a></td> |
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| <div class="section" id="bitor"> |
| <h1><a class="toc-backref" href="./bitwise-operations.html#id1555">bitor_</a></h1> |
| <div class="section" id="id1098"> |
| <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="./bitor.html" class="identifier">bitor_</a> |
| { |
| typedef <em>unspecified</em> type; |
| }; |
| </pre> |
| </div> |
| <div class="section" id="id1099"> |
| <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> |
| <p>Returns the result of <em>bitwise or</em> (<tt class="literal"><span class="pre">|</span></tt>) operation of its arguments.</p> |
| </div> |
| <div class="section" id="id1100"> |
| <h3><a class="subsection-title" href="#header" name="header">Header</a></h3> |
| <pre class="literal-block"> |
| #include <<a href="../../../../boost/mpl/bitor.hpp" class="header">boost/mpl/bitor.hpp</a>> |
| #include <<a href="../../../../boost/mpl/bitwise.hpp" class="header">boost/mpl/bitwise.hpp</a>> |
| </pre> |
| </div> |
| <div class="section" id="id1101"> |
| <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="id1102"> |
| <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="id1103"> |
| <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="./bitor.html" class="identifier">bitor_</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="./bitor.html" class="identifier">bitor_</a><c,c3,<em>...</em>c<em>n</em>>::type r; |
| </pre> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| <!-- .......................................................................... --> |
| <pre class="literal-block"> |
| typedef <a href="./bitor.html" class="identifier">bitor_</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="./bitor.html" class="identifier">bitor_</a><c1,<em>...</em>c<em>n</em>>::type {}; |
| </pre> |
| </td> |
| </tr> |
| </tbody> |
| </table> |
| </div> |
| <div class="section" id="id1104"> |
| <h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3> |
| <p>Amortized constant time.</p> |
| </div> |
| <div class="section" id="id1105"> |
| <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="./bitor.html" class="identifier">bitor_</a><u0,u0>::value), ==, 0 ); |
| <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitor.html" class="identifier">bitor_</a><u1,u0>::value), ==, 1 ); |
| <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitor.html" class="identifier">bitor_</a><u0,u1>::value), ==, 1 ); |
| <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitor.html" class="identifier">bitor_</a><u0,uffffffff>::value), ==, 0xffffffff ); |
| <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitor.html" class="identifier">bitor_</a><u1,uffffffff>::value), ==, 0xffffffff ); |
| <a href="./assert-relation.html" class="identifier">BOOST_MPL_ASSERT_RELATION</a>( (<a href="./bitor.html" class="identifier">bitor_</a><u8,uffffffff>::value), ==, 0xffffffff ); |
| </pre> |
| </div> |
| <div class="section" id="id1106"> |
| <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="./bitand.html">bitand_</a>, <a class="reference internal" href="./bitxor.html">bitxor_</a>, <a class="reference internal" href="./shift-left.html">shift_left</a></p> |
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| <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 |
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