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| <h2><span class="refentrytitle">Class postconstructor_invoker</span></h2> |
| <p>boost::signals2::postconstructor_invoker — Pass arguments to and run postconstructors for objects created with <a class="link" href="deconstruct.html" title="Function deconstruct">deconstruct()</a>.</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: <<a class="link" href="../../signals2/reference.html#header.boost.signals2.deconstruct_hpp" title="Header <boost/signals2/deconstruct.hpp>">boost/signals2/deconstruct.hpp</a>> |
| |
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| <span class="keyword">class</span> <a class="link" href="postconstructor_invoker.html" title="Class postconstructor_invoker">postconstructor_invoker</a> <span class="special">{</span> |
| <span class="keyword">public</span><span class="special">:</span> |
| |
| <span class="comment">// <a class="link" href="postconstructor_invoker.html#id699978-bb">public methods</a></span> |
| <a class="link" href="postconstructor_invoker.html#id1176465-bb"><span class="keyword">operator</span> <span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span> <a class="link" href="postconstructor_invoker.html#id705440-bb"><span class="identifier">postconstruct</span></a><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> A1<span class="special">></span> <span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span> <a class="link" href="postconstructor_invoker.html#id1138227-bb"><span class="identifier">postconstruct</span></a><span class="special">(</span><span class="identifier">A1</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> A1<span class="special">,</span> <span class="keyword">typename</span> A2<span class="special">></span> |
| <span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span> <a class="link" href="postconstructor_invoker.html#id431405-bb"><span class="identifier">postconstruct</span></a><span class="special">(</span><span class="identifier">A1</span><span class="special">,</span> <span class="identifier">A1</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> A1<span class="special">,</span> <span class="keyword">typename</span> A2, ...<span class="special">,</span> <span class="keyword">typename</span> AN<span class="special">></span> |
| <span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span> <a class="link" href="postconstructor_invoker.html#id352174-bb"><span class="identifier">postconstruct</span></a><span class="special">(</span><span class="identifier">A1</span><span class="special">,</span> <span class="identifier">A1</span><span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">A1</span><span class="special">)</span><span class="special">;</span> |
| <span class="special">}</span><span class="special">;</span></pre></div> |
| <div class="refsect1"> |
| <a name="id2546252"></a><h2>Description</h2> |
| <p> |
| Objects of type <code class="computeroutput">postconstructor_invoker</code> are returned by calls to the |
| <a class="link" href="deconstruct.html" title="Function deconstruct">deconstruct()</a> factory function. These objects are intended |
| to either be immediately assigned to a shared_ptr (in which case the |
| class' conversion operator will perform the conversion by calling the |
| <a class="link" href="postconstructor_invoker.html#id648330-bb">postconstruct</a> with no arguments), or to be converted |
| to shared_ptr explicitly by the user calling one of |
| the <a class="link" href="postconstructor_invoker.html#id648330-bb">postconstruct</a> methods. |
| </p> |
| <div class="refsect2"> |
| <a name="id2546293"></a><h3> |
| <a name="id699978-bb"></a><code class="computeroutput">postconstructor_invoker</code> public methods</h3> |
| <div class="orderedlist"><ol class="orderedlist" type="1"> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="id1176465-bb"></a><span class="keyword">operator</span> <span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span><span class="special">(</span><span class="special">)</span><span class="special">;</span></pre> |
| <p> |
| The conversion operator has the same effect as explicitly calling |
| the <code class="computeroutput"><a class="link" href="postconstructor_invoker.html#id648330-bb">postconstruct</a></code> method with no arguments. |
| </p> |
| </li> |
| <li class="listitem"> |
| <pre class="literallayout"><a name="id648330-bb"></a><span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span> <a name="id705440-bb"></a><span class="identifier">postconstruct</span><span class="special">(</span><span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> A1<span class="special">></span> <span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span> <a name="id1138227-bb"></a><span class="identifier">postconstruct</span><span class="special">(</span><span class="identifier">A1</span> a1<span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> A1<span class="special">,</span> <span class="keyword">typename</span> A2<span class="special">></span> |
| <span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span> <a name="id431405-bb"></a><span class="identifier">postconstruct</span><span class="special">(</span><span class="identifier">A1</span> a1<span class="special">,</span> <span class="identifier">A1</span> a2<span class="special">)</span><span class="special">;</span> |
| <span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> A1<span class="special">,</span> <span class="keyword">typename</span> A2, ...<span class="special">,</span> <span class="keyword">typename</span> AN<span class="special">></span> |
| <span class="keyword">const</span> <span class="identifier">shared_ptr</span><span class="special"><</span><span class="identifier">T</span><span class="special">></span> <span class="special">&</span> <a name="id352174-bb"></a><span class="identifier">postconstruct</span><span class="special">(</span><span class="identifier">A1</span> a1<span class="special">,</span> <span class="identifier">A1</span> a2<span class="special">,</span> <span class="special">...</span><span class="special">,</span> <span class="identifier">A1</span> aN<span class="special">)</span><span class="special">;</span></pre> |
| <p> |
| The <code class="computeroutput">postconstruct</code> methods make an unqualified call to |
| <code class="computeroutput">adl_postconstruct()</code> and then return the <code class="computeroutput">shared_ptr</code> |
| which was wrapped inside the <code class="computeroutput">postconstructor_invoker</code> |
| object by <code class="computeroutput"><a class="link" href="deconstruct.html" title="Function deconstruct">deconstruct()</a></code>. |
| The first two arguments passed to the |
| <code class="computeroutput">adl_postconstruct()</code> call are always the <code class="computeroutput">shared_ptr</code> |
| owning the object created by <code class="computeroutput"><a class="link" href="deconstruct.html" title="Function deconstruct">deconstruct()</a></code>, |
| followed by a ordinary pointer to the same object. As a convenience, |
| the ordinary pointer |
| will always be cast to point to a non-const type before being passed |
| to <code class="computeroutput">adl_postconstruct</code>. The remaining arguments passed to |
| <code class="computeroutput">adl_postconstruct</code> are whatever arguments the user may have |
| passed to the <code class="computeroutput">postconstruct</code> |
| method. |
| </p> |
| </li> |
| </ol></div> |
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| <td align="left"></td> |
| <td align="right"><div class="copyright-footer">Copyright © 2001-2004 Douglas Gregor<br>Copyright © 2007-2009 Frank Mori Hess<p>Distributed under the Boost |
| Software License, Version 1.0. (See accompanying file |
| <code class="filename">LICENSE_1_0.txt</code> 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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