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| 27 | <div class="refnamediv"> |
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| 28 | <h2><span class="refentrytitle">Function template operator<<</span></h2> |
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| 29 | <p>boost::operator<< — Provides streaming output for <code class="computeroutput">variant</code> types.</p> |
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| 30 | </div> |
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| 31 | <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> |
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| 32 | <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"> |
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| 33 | <span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> ElemType, <span class="bold"><strong>typename</strong></span> Traits, <span class="bold"><strong>typename</strong></span> T1, <span class="bold"><strong>typename</strong></span> T2, ..., |
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| 34 | <span class="bold"><strong>typename</strong></span> TN> |
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| 35 | <span class="type">std::basic_ostream<ElemType,Traits> &</span> |
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| 36 | <span class="bold"><strong>operator</strong></span><<(std::basic_ostream<ElemType,Traits> & out, |
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| 37 | <span class="bold"><strong>const</strong></span> <a href="boost/variant.html" title="Class template variant">variant</a><T1, T2, ..., TN> & rhs);</pre></div> |
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| 38 | <div class="refsect1" lang="en"> |
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| 39 | <a name="id1642299"></a><h2>Description</h2> |
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| 40 | <p><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Requires</span></b>: |
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| 41 | |
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| 42 | Every bounded type of the <code class="computeroutput">variant</code> must |
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| 43 | fulfill the requirements of the |
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| 44 | <a href="variant/reference.html#variant.concepts.output-streamable" title="OutputStreamable"><span class="emphasis"><em>OutputStreamable</em></span></a> |
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| 45 | concept.<br><b xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision"><span class="term">Effects</span></b>: |
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| 46 | |
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| 47 | Calls <code class="computeroutput">out << x</code>, where <code class="computeroutput">x</code> is |
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| 48 | the content of <code class="computeroutput">rhs</code>.</p> |
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| 49 | </div> |
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