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<h2><span class="refentrytitle">Class template any&lt;Concept, T &amp;&gt;</span></h2>
<p>boost::type_erasure::any&lt;Concept, T &amp;&gt;</p>
</div>
<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="comment">// In header: &lt;<a class="link" href="../../boost_typeerasure/reference.html#header.boost.type_erasure.any_hpp" title="Header &lt;boost/type_erasure/any.hpp&gt;">boost/type_erasure/any.hpp</a>&gt;

</span><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept<span class="special">,</span> <span class="keyword">typename</span> T<span class="special">&gt;</span> 
<span class="keyword">class</span> <a class="link" href="any_Conc_idm45506890943856.html" title="Class template any&lt;Concept, T &amp;&gt;">any</a><span class="special">&lt;</span><span class="identifier">Concept</span><span class="special">,</span> <span class="identifier">T</span> <span class="special">&amp;</span><span class="special">&gt;</span> <span class="special">{</span>
<span class="keyword">public</span><span class="special">:</span>
  <span class="comment">// <a class="link" href="any_Conc_idm45506890943856.html#boost.type_erasure.any_Conc_idm45506890943856construct-copy-destruct">construct/copy/destruct</a></span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">&gt;</span> <a class="link" href="any_Conc_idm45506890943856.html#idm45506890940624-bb"><span class="identifier">any</span></a><span class="special">(</span><span class="identifier">U</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">,</span> <span class="keyword">typename</span> Map<span class="special">&gt;</span> <a class="link" href="any_Conc_idm45506890943856.html#idm45506883954032-bb"><span class="identifier">any</span></a><span class="special">(</span><span class="identifier">U</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="static_binding.html" title="Struct template static_binding">static_binding</a><span class="special">&lt;</span> <span class="identifier">Map</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="any_Conc_idm45506890943856.html#idm45506883945376-bb"><span class="identifier">any</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="any_Conc_idm45506890943856.html#idm45506883941472-bb"><span class="identifier">any</span></a><span class="special">(</span><a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept</span><span class="special">,</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">&gt;</span> 
    <a class="link" href="any_Conc_idm45506890943856.html#idm45506883937040-bb"><span class="identifier">any</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&amp;</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">&gt;</span> <a class="link" href="any_Conc_idm45506890943856.html#idm45506883928432-bb"><span class="identifier">any</span></a><span class="special">(</span><a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">,</span> <span class="keyword">typename</span> Map<span class="special">&gt;</span> 
    <a class="link" href="any_Conc_idm45506890943856.html#idm45506883919296-bb"><span class="identifier">any</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&amp;</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="static_binding.html" title="Struct template static_binding">static_binding</a><span class="special">&lt;</span> <span class="identifier">Map</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">,</span> <span class="keyword">typename</span> Map<span class="special">&gt;</span> 
    <a class="link" href="any_Conc_idm45506890943856.html#idm45506883908672-bb"><span class="identifier">any</span></a><span class="special">(</span><a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="static_binding.html" title="Struct template static_binding">static_binding</a><span class="special">&lt;</span> <span class="identifier">Map</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">&gt;</span> 
    <a class="link" href="any_Conc_idm45506890943856.html#idm45506978041712-bb"><span class="identifier">any</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&amp;</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="binding.html" title="Class template binding">binding</a><span class="special">&lt;</span> <span class="identifier">Concept</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">&gt;</span> 
    <a class="link" href="any_Conc_idm45506890943856.html#idm45506978032736-bb"><span class="identifier">any</span></a><span class="special">(</span><a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">,</span> <span class="keyword">const</span> <a class="link" href="binding.html" title="Class template binding">binding</a><span class="special">&lt;</span> <span class="identifier">Concept</span> <span class="special">&gt;</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span> <a class="link" href="any_Conc_idm45506890943856.html#idm45506978023232-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">&gt;</span> <a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span> <a class="link" href="any_Conc_idm45506890943856.html#idm45506978015936-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="identifier">U</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
  <span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">&gt;</span> <a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span> <a class="link" href="any_Conc_idm45506890943856.html#idm45506978008240-bb"><span class="keyword">operator</span><span class="special">=</span></a><span class="special">(</span><span class="keyword">const</span> <span class="identifier">U</span> <span class="special">&amp;</span><span class="special">)</span><span class="special">;</span>
<span class="special">}</span><span class="special">;</span></pre></div>
<div class="refsect1">
<a name="idm45555080642096"></a><h2>Description</h2>
<div class="refsect2">
<a name="idm45555080641680"></a><h3>
<a name="boost.type_erasure.any_Conc_idm45506890943856construct-copy-destruct"></a><code class="computeroutput">any</code> 
        public
       construct/copy/destruct</h3>
<div class="orderedlist"><ol class="orderedlist" type="1">
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">&gt;</span> <a name="idm45506890940624-bb"></a><span class="identifier">any</span><span class="special">(</span><span class="identifier">U</span> <span class="special">&amp;</span> arg<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from a reference.</p>
<p>



</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><code class="computeroutput">arg</code></span></p></td>
<td><p>The object to bind the reference to.</p></td>
</tr></tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p><code class="computeroutput">U</code> is a model of <code class="computeroutput">Concept</code>. </p></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p><code class="computeroutput">Concept</code> must not refer to any non-deduced placeholder besides <code class="computeroutput">T</code>.</p></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>Nothing. </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">,</span> <span class="keyword">typename</span> Map<span class="special">&gt;</span> 
  <a name="idm45506883954032-bb"></a><span class="identifier">any</span><span class="special">(</span><span class="identifier">U</span> <span class="special">&amp;</span> arg<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="static_binding.html" title="Struct template static_binding">static_binding</a><span class="special">&lt;</span> <span class="identifier">Map</span> <span class="special">&gt;</span> <span class="special">&amp;</span> binding<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from a reference.</p>
<p>



</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">arg</code></span></p></td>
<td><p>The object to bind the reference to. </p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">binding</code></span></p></td>
<td><p>Specifies the actual types that all the placeholders should bind to.</p></td>
</tr>
</tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p><code class="computeroutput">U</code> is a model of <code class="computeroutput">Concept</code>. </p></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p><code class="computeroutput">Map</code> is an MPL map with an entry for every non-deduced placeholder referred to by <code class="computeroutput">Concept</code>.</p></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>Nothing. </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><a name="idm45506883945376-bb"></a><span class="identifier">any</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from another reference.</p>
<p>

</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><code class="computeroutput">other</code></span></p></td>
<td><p>The reference to copy.</p></td>
</tr></tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>Nothing. </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><a name="idm45506883941472-bb"></a><span class="identifier">any</span><span class="special">(</span><a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept</span><span class="special">,</span> <span class="identifier">T</span> <span class="special">&gt;</span> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from another <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code>.</p>
<p>

</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><code class="computeroutput">other</code></span></p></td>
<td><p>The object to bind the reference to.</p></td>
</tr></tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>Nothing. </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">&gt;</span> 
  <a name="idm45506883937040-bb"></a><span class="identifier">any</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&amp;</span> <span class="special">&gt;</span> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from another reference.</p>
<p>



</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><code class="computeroutput">other</code></span></p></td>
<td><p>The reference to copy.</p></td>
</tr></tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p><code class="computeroutput">Concept</code> must not refer to any non-deduced placeholder besides <code class="computeroutput">T</code>. </p></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p>After substituting <code class="computeroutput">T</code> for <code class="computeroutput">Tag2</code>, the requirements of <code class="computeroutput">Concept2</code> must be a superset of the requirements of <code class="computeroutput">Concept</code>.</p></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>std::bad_alloc </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">&gt;</span> <a name="idm45506883928432-bb"></a><span class="identifier">any</span><span class="special">(</span><a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&gt;</span> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from another <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code>.</p>
<p>



</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term"><code class="computeroutput">other</code></span></p></td>
<td><p>The object to bind the reference to.</p></td>
</tr></tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p><code class="computeroutput">Concept</code> must not refer to any non-deduced placeholder besides <code class="computeroutput">T</code>. </p></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p>After substituting <code class="computeroutput">T</code> for <code class="computeroutput">Tag2</code>, the requirements of <code class="computeroutput">Concept2</code> must be a superset of the requirements of <code class="computeroutput">Concept</code>.</p></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>std::bad_alloc </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">,</span> <span class="keyword">typename</span> Map<span class="special">&gt;</span> 
  <a name="idm45506883919296-bb"></a><span class="identifier">any</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&amp;</span> <span class="special">&gt;</span> <span class="special">&amp;</span> other<span class="special">,</span> 
      <span class="keyword">const</span> <a class="link" href="static_binding.html" title="Struct template static_binding">static_binding</a><span class="special">&lt;</span> <span class="identifier">Map</span> <span class="special">&gt;</span> <span class="special">&amp;</span> binding<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from another reference.</p>
<p>



</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">binding</code></span></p></td>
<td><p>Specifies the mapping between the two concepts.</p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">other</code></span></p></td>
<td><p>The reference to copy. </p></td>
</tr>
</tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p><code class="computeroutput">Map</code> must be an MPL map with keys for all the non-deduced placeholders used by <code class="computeroutput">Concept</code> and values for the corresponding placeholders in <code class="computeroutput">Concept2</code>. </p></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p>After substituting placeholders according to <code class="computeroutput">Map</code>, the requirements of <code class="computeroutput">Concept2</code> must be a superset of the requirements of <code class="computeroutput">Concept</code>.</p></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>std::bad_alloc </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">,</span> <span class="keyword">typename</span> Map<span class="special">&gt;</span> 
  <a name="idm45506883908672-bb"></a><span class="identifier">any</span><span class="special">(</span><a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&gt;</span> <span class="special">&amp;</span> other<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="static_binding.html" title="Struct template static_binding">static_binding</a><span class="special">&lt;</span> <span class="identifier">Map</span> <span class="special">&gt;</span> <span class="special">&amp;</span> binding<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from another <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code>.</p>
<p>



</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">binding</code></span></p></td>
<td><p>Specifies the mapping between the two concepts.</p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">other</code></span></p></td>
<td><p>The object to bind the reference to. </p></td>
</tr>
</tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p><code class="computeroutput">Map</code> must be an MPL map with keys for all the non-deduced placeholders used by <code class="computeroutput">Concept</code> and values for the corresponding placeholders in <code class="computeroutput">Concept2</code>. </p></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p>After substituting placeholders according to <code class="computeroutput">Map</code>, the requirements of <code class="computeroutput">Concept2</code> must be a superset of the requirements of <code class="computeroutput">Concept</code>.</p></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>std::bad_alloc </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">&gt;</span> 
  <a name="idm45506978041712-bb"></a><span class="identifier">any</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&amp;</span> <span class="special">&gt;</span> <span class="special">&amp;</span> other<span class="special">,</span> 
      <span class="keyword">const</span> <a class="link" href="binding.html" title="Class template binding">binding</a><span class="special">&lt;</span> <span class="identifier">Concept</span> <span class="special">&gt;</span> <span class="special">&amp;</span> binding<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from another reference.</p>
<p>



</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">binding</code></span></p></td>
<td><p>Specifies the bindings of placeholders to actual types.</p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">other</code></span></p></td>
<td><p>The reference to copy. </p></td>
</tr>
</tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p>The type stored in <code class="computeroutput">other</code> must match the type expected by <code class="computeroutput">binding</code>.</p></td>
</tr>
<tr>
<td><p><span class="term">Postconditions:</span></p></td>
<td><p>binding_of(*this) == <code class="computeroutput">binding</code> </p></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>Nothing. </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> Concept2<span class="special">,</span> <span class="keyword">typename</span> Tag2<span class="special">&gt;</span> 
  <a name="idm45506978032736-bb"></a><span class="identifier">any</span><span class="special">(</span><a class="link" href="../any.html" title="Class any">any</a><span class="special">&lt;</span> <span class="identifier">Concept2</span><span class="special">,</span> <span class="identifier">Tag2</span> <span class="special">&gt;</span> <span class="special">&amp;</span> other<span class="special">,</span> <span class="keyword">const</span> <a class="link" href="binding.html" title="Class template binding">binding</a><span class="special">&lt;</span> <span class="identifier">Concept</span> <span class="special">&gt;</span> <span class="special">&amp;</span> binding<span class="special">)</span><span class="special">;</span></pre>
<p>Constructs an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code> from another <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code>.</p>
<p>



</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term">Parameters:</span></p></td>
<td><div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody>
<tr>
<td><p><span class="term"><code class="computeroutput">binding</code></span></p></td>
<td><p>Specifies the bindings of placeholders to actual types.</p></td>
</tr>
<tr>
<td><p><span class="term"><code class="computeroutput">other</code></span></p></td>
<td><p>The object to bind the reference to. </p></td>
</tr>
</tbody>
</table></div></td>
</tr>
<tr>
<td><p><span class="term">Requires:</span></p></td>
<td><p>The type stored in <code class="computeroutput">other</code> must match the type expected by <code class="computeroutput">binding</code>.</p></td>
</tr>
<tr>
<td><p><span class="term">Postconditions:</span></p></td>
<td><p>binding_of(*this) == <code class="computeroutput">binding</code> </p></td>
</tr>
<tr>
<td><p><span class="term">Throws:</span></p></td>
<td>Nothing. </td>
</tr>
</tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span> <a name="idm45506978023232-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>
<p>Assigns to an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code>.</p>
<p>If an appropriate overload of <code class="computeroutput"><a class="link" href="assignable.html" title="Struct template assignable">assignable</a></code> is not available and <code class="computeroutput"><a class="link" href="relaxed.html" title="Struct relaxed">relaxed</a></code> is in <code class="computeroutput">Concept</code>, falls back on constructing from <code class="computeroutput">other</code>.</p>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Throws:</span></p></td>
<td>Whatever the assignment operator of the contained type throws. When falling back on construction, throws <code class="computeroutput">std::bad_alloc</code>. In this case assignment provides the strong exception guarantee. When calling the assignment operator of the contained type, the exception guarantee is whatever the contained type provides. </td>
</tr></tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">&gt;</span> <a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span> <a name="idm45506978015936-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="identifier">U</span> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>
<p>Assigns to an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code>.</p>
<p>If an appropriate overload of <code class="computeroutput"><a class="link" href="assignable.html" title="Struct template assignable">assignable</a></code> is not available and <code class="computeroutput"><a class="link" href="relaxed.html" title="Struct relaxed">relaxed</a></code> is in <code class="computeroutput">Concept</code>, falls back on constructing from <code class="computeroutput">other</code>.</p>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Throws:</span></p></td>
<td>Whatever the assignment operator of the contained type throws. When falling back on construction, throws <code class="computeroutput">std::bad_alloc</code>. In this case assignment provides the strong exception guarantee. When calling the assignment operator of the contained type, the exception guarantee is whatever the contained type provides. </td>
</tr></tbody>
</table></div>
</li>
<li class="listitem">
<pre class="literallayout"><span class="keyword">template</span><span class="special">&lt;</span><span class="keyword">typename</span> U<span class="special">&gt;</span> <a class="link" href="../any.html" title="Class any">any</a> <span class="special">&amp;</span> <a name="idm45506978008240-bb"></a><span class="keyword">operator</span><span class="special">=</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">U</span> <span class="special">&amp;</span> other<span class="special">)</span><span class="special">;</span></pre>
<p>Assigns to an <code class="computeroutput"><a class="link" href="any.html" title="Class template any">any</a></code>.</p>
<p>If an appropriate overload of <code class="computeroutput"><a class="link" href="assignable.html" title="Struct template assignable">assignable</a></code> is not available and <code class="computeroutput"><a class="link" href="relaxed.html" title="Struct relaxed">relaxed</a></code> is in <code class="computeroutput">Concept</code>, falls back on constructing from <code class="computeroutput">other</code>.</p>
<p>
</p>
<div class="variablelist"><table border="0" class="variablelist compact">
<colgroup>
<col align="left" valign="top">
<col>
</colgroup>
<tbody><tr>
<td><p><span class="term">Throws:</span></p></td>
<td>Whatever the assignment operator of the contained type throws. When falling back on construction, throws <code class="computeroutput">std::bad_alloc</code>. In this case assignment provides the strong exception guarantee. When calling the assignment operator of the contained type, the exception guarantee is whatever the contained type provides. </td>
</tr></tbody>
</table></div>
</li>
</ol></div>
</div>
</div>
</div>
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
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<td align="right"><div class="copyright-footer">Copyright &#169; 2011-2013 Steven Watanabe<p>
        Distributed under the Boost Software License, Version 1.0. (See accompanying
        file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
      </p>
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