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| 27 | <div class="refnamediv"> |
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| 28 | <h2><span class="refentrytitle">Class template make_recursive_variant_over</span></h2> |
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| 29 | <p>boost::make_recursive_variant_over — <p>Exposes a recursive <code class="computeroutput">variant</code> whose bounded types |
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| 30 | are the elements of the given type sequence.</p></p> |
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| 31 | </div> |
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| 32 | <h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2> |
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| 33 | <div xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv"><pre class="synopsis"><span class="bold"><strong>template</strong></span><<span class="bold"><strong>typename</strong></span> Sequence> |
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| 34 | <span class="bold"><strong>class</strong></span> make_recursive_variant_over { |
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| 35 | <span class="bold"><strong>public</strong></span>: |
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| 36 | <span class="emphasis"><em>// types</em></span> |
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| 37 | <span class="bold"><strong>typedef</strong></span> variant< <span class="emphasis"><em>unspecified</em></span> > type; |
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| 38 | };</pre></div> |
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| 39 | <div class="refsect1" lang="en"> |
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| 40 | <a name="id1661559"></a><h2>Description</h2> |
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| 41 | <p><code class="computeroutput">type</code> has behavior equivalent in every respect to |
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| 42 | <code class="computeroutput"><a href="make_recursive_variant.html" title="Class template make_recursive_variant">make_recursive_variant</a>< Sequence[0], Sequence[1], ... >::type</code> |
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| 43 | (where <code class="computeroutput">Sequence[<span class="emphasis"><em>i</em></span>]</code> denotes the |
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| 44 | <span class="emphasis"><em>i</em></span>-th element of <code class="computeroutput">Sequence</code>), except |
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| 45 | that no upper limit is imposed on the number of types.</p> |
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| 46 | <p><span class="bold"><strong>Notes</strong></span>:</p> |
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| 47 | <div class="itemizedlist"><ul type="disc"> |
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| 48 | <li> |
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| 49 | <code class="computeroutput">Sequence</code> must meet the requirements of |
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| 50 | <a href="../../libs/mpl/index.html" target="_top">MPL</a>'s <span class="emphasis"><em>Sequence</em></span> |
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| 51 | concept.</li> |
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| 52 | <li>Due to standard conformance problems in several compilers, |
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| 53 | <code class="computeroutput">make_recursive_variant_over</code> may not be supported on |
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| 54 | your compiler. See |
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| 55 | <code class="computeroutput"><a href="id1289087.html" title="Macro BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT">BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT</a></code> |
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| 56 | for more information.</li> |
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| 57 | </ul></div> |
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