ceph/src/boost/libs/type_traits/doc/html/boost_typetraits/reference/has_nothrow_destruct.html

   1 <html>
   2 <head>
   3 <meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
   4 <title>has_nothrow_destructor</title>
   5 <link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css">
   6 <meta name="generator" content="DocBook XSL Stylesheets V1.77.1">
   7 <link rel="home" href="../../index.html" title="Chapter&#160;1.&#160;Boost.TypeTraits">
   8 <link rel="up" href="../reference.html" title="Alphabetical Reference">
   9 <link rel="prev" href="has_nothrow_copy.html" title="has_nothrow_copy">
  10 <link rel="next" href="has_nothrow_cp_cons.html" title="has_nothrow_copy_constructor">
  11 </head>
  12 <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
  13 <table cellpadding="2" width="100%"><tr>
  14 <td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td>
  15 <td align="center"><a href="../../../../../../index.html">Home</a></td>
  16 <td align="center"><a href="../../../../../../libs/libraries.htm">Libraries</a></td>
  17 <td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
  18 <td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
  19 <td align="center"><a href="../../../../../../more/index.htm">More</a></td>
  20 </tr></table>
  21 <hr>
  22 <div class="spirit-nav">
  23 <a accesskey="p" href="has_nothrow_copy.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="has_nothrow_cp_cons.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
  24 </div>
  25 <div class="section">
  26 <div class="titlepage"><div><div><h3 class="title">
  27 <a name="boost_typetraits.reference.has_nothrow_destruct"></a><a class="link" href="has_nothrow_destruct.html" title="has_nothrow_destructor">has_nothrow_destructor</a>
  28 </h3></div></div></div>
  29 <pre class="programlisting"><span class="keyword">template</span> <span class="special">&lt;</span><span class="keyword">class</span> <span class="identifier">T</span><span class="special">&gt;</span>
  30 <span class="keyword">struct</span> <span class="identifier">has_nothrow_destructor</span> <span class="special">:</span> <span class="keyword">public</span> <em class="replaceable"><code><a class="link" href="integral_constant.html" title="integral_constant">true_type</a>-or-<a class="link" href="integral_constant.html" title="integral_constant">false_type</a></code></em> <span class="special">{};</span>
  31 </pre>
  32 <p>
  33         <span class="bold"><strong>Inherits:</strong></span> If T is a (possibly cv-qualified)
  34         type with a non-throwing destructor then inherits from <a class="link" href="integral_constant.html" title="integral_constant">true_type</a>,
  35         otherwise inherits from <a class="link" href="integral_constant.html" title="integral_constant">false_type</a>.
  36         Type <code class="computeroutput"><span class="identifier">T</span></code> must be a complete
  37         type.
  38       </p>
  39 <p>
  40         <span class="bold"><strong>Compiler Compatibility:</strong></span> Either requires
  41         C++11 <code class="computeroutput"><span class="keyword">noexcept</span></code> and <code class="computeroutput"><span class="keyword">decltype</span></code> or else some (unspecified) help from
  42         the compiler. You may test to see if the necessary support is available by
  43         checking to see if <code class="computeroutput"><span class="special">!</span><span class="identifier">defined</span><span class="special">(</span><span class="identifier">BOOST_NO_CXX11_DECLTYPE</span><span class="special">)</span> <span class="special">&amp;&amp;</span> <span class="special">!</span><span class="identifier">defined</span><span class="special">(</span><span class="identifier">BOOST_NO_CXX11_NOEXCEPT</span><span class="special">)</span></code> is true.
  44       </p>
  45 <p>
  46         <span class="bold"><strong>Header:</strong></span> <code class="computeroutput"> <span class="preprocessor">#include</span>
  47         <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">type_traits</span><span class="special">/</span><span class="identifier">has_nothrow_copy</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
  48         or <code class="computeroutput"> <span class="preprocessor">#include</span> <span class="special">&lt;</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">type_traits</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
  49       </p>
  50 <div class="note"><table border="0" summary="Note">
  51 <tr>
  52 <td rowspan="2" align="center" valign="top" width="25"><img alt="[Note]" src="../../../../../../doc/src/images/note.png"></td>
  53 <th align="left">Note</th>
  54 </tr>
  55 <tr><td align="left" valign="top"><p>
  56           Note that destructors are assumed to be non-throwing unless they are explicitly
  57           marked otherwise with a <code class="computeroutput"><span class="keyword">throw</span><span class="special">(</span><span class="identifier">something</span><span class="special">)</span></code> specification. This is in line with the
  58           C++11 standard.
  59         </p></td></tr>
  60 </table></div>
  61 </div>
  62 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
  63 <td align="left"></td>
  64 <td align="right"><div class="copyright-footer">Copyright &#169; 2000, 2011 Adobe Systems Inc, David Abrahams,
  65       Frederic Bron, Steve Cleary, Beman Dawes, Aleksey Gurtovoy, Howard Hinnant,
  66       Jesse Jones, Mat Marcus, Itay Maman, John Maddock, Alexander Nasonov, Thorsten
  67       Ottosen, Roman Perepelitsa, Robert Ramey, Jeremy Siek, Robert Stewart and Steven
  68       Watanabe<p>
  69         Distributed under the Boost Software License, Version 1.0. (See accompanying
  70         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
  71       </p>
  72 </div></td>
  73 </tr></table>
  74 <hr>
  75 <div class="spirit-nav">
  76 <a accesskey="p" href="has_nothrow_copy.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../reference.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="has_nothrow_cp_cons.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a>
  77 </div>
  78 </body>
  79 </html>