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<li class="navelem"><a class="el" href="namespaceCgu.html">Cgu</a></li><li class="navelem"><a class="el" href="namespaceCgu_1_1Callback.html">Callback</a></li><li class="navelem"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a></li> </ul>
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<div class="title">Cgu::Callback::SafeFunctorArg< FreeArgs > Class Template Reference</div> </div>
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<p>Functor class holding a <a class="el" href="classCgu_1_1Callback_1_1CallbackArg.html" title="The callback interface class. ">Callback::CallbackArg</a> object, with thread-safe reference count.
<a href="classCgu_1_1Callback_1_1SafeFunctorArg.html#details">More...</a></p>
<p><code>#include <<a class="el" href="callback_8h_source.html">c++-gtk-utils/callback.h</a>></code></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a9b46363308c636d24d996501f39c913b"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#a9b46363308c636d24d996501f39c913b">operator()</a> (typename <a class="el" href="structCgu_1_1Param.html">Cgu::Param</a>< FreeArgs >::ParamType...args) const </td></tr>
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<tr class="memitem:a99028874da043b496921cff1dfb112a0"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#a99028874da043b496921cff1dfb112a0">operator=</a> (const <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> &f)</td></tr>
<tr class="separator:a99028874da043b496921cff1dfb112a0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6b1ff8d3beb35ad5b6fd6d53452ada14"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#a6b1ff8d3beb35ad5b6fd6d53452ada14">operator=</a> (<a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> &&f)</td></tr>
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<tr class="memitem:aa46be8634078615b3368e98ce466f0de"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#aa46be8634078615b3368e98ce466f0de">SafeFunctorArg</a> (const <a class="el" href="classCgu_1_1Callback_1_1CallbackArg.html">CallbackArg</a>< FreeArgs...> *cb)</td></tr>
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<tr class="memitem:ae37e58cb45d1e85ba24ef26471f68564"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#ae37e58cb45d1e85ba24ef26471f68564">SafeFunctorArg</a> (const <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> &f)</td></tr>
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<tr class="memitem:ae728f66866c3d5e3b639df72f9b4171b"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#ae728f66866c3d5e3b639df72f9b4171b">SafeFunctorArg</a> (<a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> &&f)</td></tr>
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<tr class="memitem:a1f5263c10755efd29cb510cfbdc4b601"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#a1f5263c10755efd29cb510cfbdc4b601">SafeFunctorArg</a> ()</td></tr>
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Friends</h2></td></tr>
<tr class="memitem:a305fe19959ba2a7a30e75571dc03a126"><td class="memItemLeft" align="right" valign="top">struct </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#a305fe19959ba2a7a30e75571dc03a126">std::hash< SafeFunctorArg ></a></td></tr>
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<tr class="memitem:a2e9121d7bceed8a1dd983176ddbd1983"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#a2e9121d7bceed8a1dd983176ddbd1983">operator==</a> (const <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> &, const <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> &) noexcept</td></tr>
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<tr class="memitem:aad97e7a73b80471acf1187c72fe95028"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html#aad97e7a73b80471acf1187c72fe95028">operator<</a> (const <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> &, const <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> &)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<class... FreeArgs><br/>
class Cgu::Callback::SafeFunctorArg< FreeArgs ></h3>
<p>Functor class holding a <a class="el" href="classCgu_1_1Callback_1_1CallbackArg.html" title="The callback interface class. ">Callback::CallbackArg</a> object, with thread-safe reference count. </p>
<dl class="section see"><dt>See Also</dt><dd><a class="el" href="classCgu_1_1Callback_1_1FunctorArg.html" title="Functor class holding a Callback::CallbackArg object. ">FunctorArg</a> </dd>
<dd>
<a class="el" href="namespaceCgu_1_1Callback.html" title="This namespace provides classes for type erasure. ">Callback</a> namespace</dd></dl>
<p>This class is the same as <a class="el" href="classCgu_1_1Callback_1_1FunctorArg.html" title="Functor class holding a Callback::CallbackArg object. ">Callback::FunctorArg</a> except that it will provide synchronisation of the reference count between threads. Use it where a functor wrapper object is to be passed between threads. The <a class="el" href="classCgu_1_1Callback_1_1FunctorArg.html" title="Functor class holding a Callback::CallbackArg object. ">FunctorArg</a> documentation gives details on usage.</p>
<p>Callback::SafeFunctorArg<> is typedef'ed to <a class="el" href="namespaceCgu_1_1Callback.html#ace69d350a8b9ba8ecbc309e0a8ecdc97">Callback::SafeFunctor</a>.</p>
<p>For further background, read this: <a class="el" href="namespaceCgu_1_1Callback.html" title="This namespace provides classes for type erasure. ">Callback</a> </p>
</div><h2 class="groupheader">Constructor & Destructor Documentation</h2>
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<td>(</td>
<td class="paramtype">const <a class="el" href="classCgu_1_1Callback_1_1CallbackArg.html">CallbackArg</a>< FreeArgs...> * </td>
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<p>Constructor of first <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html" title="Functor class holding a Callback::CallbackArg object, with thread-safe reference count. ">SafeFunctorArg</a> holding the referenced callback. As it is not marked explicit, it is also a type conversion constructor. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">cb</td><td>The <a class="el" href="classCgu_1_1Callback_1_1CallbackArg.html" title="The callback interface class. ">CallbackArg</a> object which the functor is to manage. </td></tr>
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<dl class="exception"><dt>Exceptions</dt><dd>
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<tr><td class="paramname">std::bad_alloc</td><td>This might throw std::bad_alloc if memory is exhausted and the system throws in that case. Note that if such an exception is thrown, then this constructor will clean itself up and also delete the callback object passed to it. </td></tr>
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<dl class="section note"><dt>Note</dt><dd>std::bad_alloc will not be thrown if the library has been installed using the --with-glib-memory-slices-no-compat configuration option: instead glib will terminate the program if it is unable to obtain memory from the operating system. </dd></dl>
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<td class="memname"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">Cgu::Callback::SafeFunctorArg</a>< FreeArgs >::<a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> </td>
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<p>The copy constructor does not throw. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">f</td><td>The assignor. </td></tr>
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<td class="paramtype"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a>< FreeArgs > && </td>
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<p>The move constructor does not throw. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">f</td><td>The functor to be moved. </td></tr>
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<p>Default constructor, where a <a class="el" href="classCgu_1_1Callback_1_1CallbackArg.html" title="The callback interface class. ">Callback::CallbackArg</a> object is to be assigned later (via the type conversion constructor and/or the assignment operator). This constructor does not throw. </p>
<dl class="section note"><dt>Note</dt><dd>The reference count maintained with respect to the contained callback object is thread-safe, so <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html" title="Functor class holding a Callback::CallbackArg object, with thread-safe reference count. ">SafeFunctorArg</a> objects may be copied between threads by the implicit assignment operator and put in different containers in different threads. They use a <a class="el" href="classCgu_1_1SharedLockPtr.html" title="This is a smart pointer for managing the lifetime of objects allocated on freestore, with a thread safe reference count. ">SharedLockPtr</a> object to hold the referenced callback object. </dd></dl>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td class="memname">void <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">Cgu::Callback::SafeFunctorArg</a>< FreeArgs >::operator() </td>
<td>(</td>
<td class="paramtype">typename <a class="el" href="structCgu_1_1Param.html">Cgu::Param</a>< FreeArgs >::ParamType... </td>
<td class="paramname"><em>args</em>)</td><td></td>
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<p>This will execute the function, callable object or class method represented by the callback encapsulated by this object, or do nothing if this object has not been initialized with a callback. It will only throw if the executed function, callable object or class method throws, or if the copy constructor of a free or bound argument throws and it is not a reference argument. It is thread safe if the referenced function or class method is thread safe. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">args</td><td>The unbound arguments to be passed to the referenced function, callable object or class method, if any. </td></tr>
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<p>This function does not throw. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">f</td><td>The assignor. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The functor object after assignment. </dd></dl>
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<td class="paramtype"><a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a>< FreeArgs > && </td>
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<p>This function does not throw. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">f</td><td>The functor to be moved. </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>The functor object after the move operation. </dd></dl>
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<h2 class="groupheader">Friends And Related Function Documentation</h2>
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<p>One <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html" title="Functor class holding a Callback::CallbackArg object, with thread-safe reference count. ">SafeFunctorArg</a> object is less than another if the address of the <a class="el" href="classCgu_1_1Callback_1_1CallbackArg.html" title="The callback interface class. ">CallbackArg</a> object contained by the first is regarded by std::less as less than the address of the <a class="el" href="classCgu_1_1Callback_1_1CallbackArg.html" title="The callback interface class. ">CallbackArg</a> object contained by the other. This comparison operator does not throw unless std::less applied to pointer types throws (which it would not do with any sane implementation). </p>
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<td class="memname">bool operator== </td>
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<p>Two <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html" title="Functor class holding a Callback::CallbackArg object, with thread-safe reference count. ">SafeFunctorArg</a> objects compare equal if the addresses of the <a class="el" href="classCgu_1_1Callback_1_1CallbackArg.html" title="The callback interface class. ">CallbackArg</a> objects they contain are the same. This comparison operator does not throw. </p>
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<td class="memname">friend struct <a class="el" href="classstd_1_1hash.html">std::hash</a>< <a class="el" href="classCgu_1_1Callback_1_1SafeFunctorArg.html">SafeFunctorArg</a> ></td>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="callback_8h_source.html">callback.h</a></li>
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