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<div class="titlepage"><div><div><h3 class="title">
<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>
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<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>
<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>
</pre>
<p>
        <span class="bold"><strong>Inherits:</strong></span> If T is a (possibly cv-qualified)
        type with a non-throwing destructor then inherits from <a class="link" href="integral_constant.html" title="integral_constant">true_type</a>,
        otherwise inherits from <a class="link" href="integral_constant.html" title="integral_constant">false_type</a>.
        Type <code class="computeroutput"><span class="identifier">T</span></code> must be a complete
        type.
      </p>
<p>
        <span class="bold"><strong>Compiler Compatibility:</strong></span> Either requires
        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
        the compiler. You may test to see if the necessary support is available by
        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.
      </p>
<p>
        <span class="bold"><strong>Header:</strong></span> <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">has_nothrow_copy</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">&gt;</span></code>
        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>
      </p>
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<th align="left">Note</th>
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<tr><td align="left" valign="top"><p>
          Note that destructors are assumed to be non-throwing unless they are explicitly
          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
          C++11 standard.
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