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| <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> |
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| <col width="53%" /> |
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| <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> |
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| <td><div class="copyright-footer"><div class="copyright">Copyright © 2009 Eric Niebler</div> |
| Distributed under the Boost Software License, Version 1.0. (See accompanying |
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