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<title>Class template make_recursive_variant_over</title>
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<h2><span class="refentrytitle">Class template make_recursive_variant_over</span></h2>
<p>boost::make_recursive_variant_over &#8212; <p>Exposes a recursive <code class="computeroutput">variant</code> whose bounded types
          are the elements of the given type sequence.</p></p>
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<h2 xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" class="refsynopsisdiv-title">Synopsis</h2>
<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>&lt;<span class="bold"><strong>typename</strong></span> Sequence&gt; 
<span class="bold"><strong>class</strong></span> make_recursive_variant_over {
<span class="bold"><strong>public</strong></span>:
  <span class="emphasis"><em>// types</em></span>
  <span class="bold"><strong>typedef</strong></span> variant&lt; <span class="emphasis"><em>unspecified</em></span> &gt; type;
};</pre></div>
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<a name="id1666722"></a><h2>Description</h2>
<p><code class="computeroutput">type</code> has behavior equivalent in every respect to
          <code class="computeroutput"><a href="make_recursive_variant.html" title="Class template make_recursive_variant">make_recursive_variant</a>&lt; Sequence[0], Sequence[1], ... &gt;::type</code>
          (where <code class="computeroutput">Sequence[<span class="emphasis"><em>i</em></span>]</code> denotes the
          <span class="emphasis"><em>i</em></span>-th element of <code class="computeroutput">Sequence</code>), except
          that no upper limit is imposed on the number of types.</p>
<p><span class="bold"><strong>Notes</strong></span>:</p>
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<li>
<code class="computeroutput">Sequence</code> must meet the requirements of
            <a href="../../libs/mpl/index.html" target="_top">MPL</a>'s <span class="emphasis"><em>Sequence</em></span>
            concept.</li>
<li>Due to standard conformance problems in several compilers,
            <code class="computeroutput">make_recursive_variant_over</code> may not be supported on
            your compiler. See
            <code class="computeroutput"><a href="id1351704.html" title="Macro BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT">BOOST_VARIANT_NO_TYPE_SEQUENCE_SUPPORT</a></code>
            for more information.</li>
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