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	<title>tuple/operator&lt;&lt;</title>
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<h1>Boost Exception</h1>
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<div class="RenoIncludeDIV"><div class="RenoAutoDIV"><h3>tuple/operator&lt;&lt;</h3>
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<div class="RenoIncludeDIV"><p><span class="RenoEscape">&#35;<!--<wiki>`&#35;</wiki>--></span>include &lt;<span class="RenoLink"><a href="boost_exception_info_tuple_hpp.html">boost/exception/info_tuple.hpp</a></span>&gt;</p>
<pre>namespace
boost
    {
<span class="RenoIncludeSPAN">    template &lt;class E, class Tag1, class T1, ..., class TagN, class TN&gt;
    E const &amp; <span class="RenoLink">operator&lt;&lt;</span>( E const &amp; x,
        <span class="RenoLink"><a href="http://www.boost.org/libs/tuple/doc/tuple_users_guide.html">tuple</a></span>&lt;
            <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;Tag1,T1&gt;,
            ...,
            <span class="RenoLink"><a href="error_info.html">error_info</a></span>&lt;TagN,TN&gt; &gt; const &amp; v );</span>
    }</pre>
</div><h4>Requirements:</h4>
<p>E must be boost::<span class="RenoLink"><a href="exception.html">exception</a></span>, or a type that derives (indirectly) from boost::<span class="RenoLink"><a href="exception.html">exception</a></span>.</p>
<h4>Effects:</h4>
<p>Equivalent to x &lt;&lt; v.<span class="RenoLink"><a href="http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements">get</a></span>&lt;0&gt;() &lt;&lt; ... &lt;&lt; v.<span class="RenoLink"><a href="http://www.boost.org/libs/tuple/doc/tuple_users_guide.html#accessing_elements">get</a></span>&lt;N&gt;().</p>
<h4>Returns:</h4>
<p>x.</p>
<div class="RenoIncludeDIV"><h4>Throws:</h4>
<p>std::bad_alloc, or any exception emitted by T1..TN copy constructor.</p>
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See also: <span class="RenoPageList"><a href="boost-exception.html">Boost Exception</a>&nbsp;| <a href="boost_exception_info_tuple_hpp.html">boost/exception/info_tuple.hpp</a></span>
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