boost-react-native-bundle

<?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 0.7: http://docutils.sourceforge.net/" /> <title>The MPL Reference Manual: c_str</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="./string-operations.html" class="navigation-link">Prev</a> <a href="./miscellaneous.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group">Back Along</span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./string-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="./string-operations.html" class="navigation-link">String Operations</a> / <a href="./c-str.html" class="navigation-link">c_str</a></td> </tr></table><div class="header-separator"></div> <div class="section" id="c-str"> <h1><a class="toc-backref" href="./string-operations.html#id1562">c_str</a></h1> <div class="section" id="id1137"> <h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3> <pre class="literal-block"> template< typename Sequence > struct <a href="./c-str.html" class="identifier">c_str</a> { typedef <em>unspecified</em> type; static char const value[]; }; </pre> </div> <div class="section" id="id1138"> <h3><a class="subsection-title" href="#description" name="description">Description</a></h3> <p><tt class="literal"><span class="pre"><a href="./c-str.html" class="identifier">c_str</a></span></tt> converts the <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> of <a class="reference internal" href="./integral-constant.html">Integral Constant</a>s <tt class="literal"><span class="pre">Sequence</span></tt> into a null-terminated byte string containing an equivalent sequence.</p> </div> <div class="section" id="id1139"> <h3><a class="subsection-title" href="#header" name="header">Header</a></h3> <pre class="literal-block"> #include <<a href="../../../../boost/mpl/string.hpp" class="header">boost/mpl/string.hpp</a>> </pre> </div> <div class="section" id="id1140"> <h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3> <p><a class="reference internal" href="./metafunction.html">Metafunction</a></p> </div> <div class="section" id="id1141"> <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">Sequence</span></tt></td> <td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> of <a class="reference internal" href="./integral-constant.html">Integral Constant</a>s</td> <td>A sequence to be converted into a null-terminated byte string.</td> </tr> </tbody> </table> </div> <div class="section" id="id1142"> <h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3> <div class="expression-semantics compound"> <p class="compound-first">For any <a class="reference internal" href="./forward-sequence.html">Forward Sequence</a> of <a class="reference internal" href="./integral-constant.html">Integral Constant</a>s <tt class="literal"><span class="pre">s</span></tt>,</p> <pre class="compound-middle literal-block"> <a href="./c-str.html" class="identifier">c_str</a><s>::value; </pre> <table class="compound-last 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 null-terminated byte string.</p> </td> </tr> <tr class="field"><th class="field-name">Precondition:</th><td class="field-body"><p class="first"><tt class="literal"><span class="pre"><a href="./size.html" class="identifier">size</a><s>::value</span> <span class="pre"><=</span> <span class="pre">BOOST_MPL_STRING_MAX_LENGTH</span></tt>.</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"> char const value[] = { <a href="./at.html" class="identifier">at</a><s, 0>::type::value , ... , <a href="./at.html" class="identifier">at</a><s, <a href="./size.html" class="identifier">size</a><s>::value-1>::type::value , '\0' }; </pre> </td> </tr> </tbody> </table> </div> </div> <div class="section" id="id1143"> <h3><a class="subsection-title" href="#complexity" name="complexity">Complexity</a></h3> <table border="1" class="docutils table"> <colgroup> <col width="47%" /> <col width="53%" /> </colgroup> <thead valign="bottom"> <tr><th class="head">Sequence archetype</th> <th class="head">Complexity</th> </tr> </thead> <tbody valign="top"> <tr><td><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a></td> <td>Linear.</td> </tr> </tbody> </table> </div> <div class="section" id="id1144"> <h3><a class="subsection-title" href="#example" name="example">Example</a></h3> <pre class="literal-block"> typedef <a href="./vector-c.html" class="identifier">vector_c</a><char,'h','e','l','l','o'> hello; assert( 0 == std::strcmp( <a href="./c-str.html" class="identifier">c_str</a><hello>::value, "hello" ) ); </pre> </div> <div class="section" id="id1145"> <h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3> <p><a class="reference internal" href="./forward-sequence.html">Forward Sequence</a>, <a class="reference internal" href="./integral-constant.html">Integral Constant</a>, <a class="reference internal" href="./string.html">string</a></p> </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="./string-operations.html" class="navigation-link">Prev</a> <a href="./miscellaneous.html" class="navigation-link">Next</a></span><span class="navigation-group-separator"> | </span><span class="navigation-group">Back Along</span><span class="navigation-group-separator"> | </span><span class="navigation-group"><a href="./string-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 © 2009 Eric Niebler</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>