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<div class="title">std::auto_ptr< _Tp > Class Template Reference</div> </div>
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Public Types</h2></td></tr>
<tr class="memitem:a7c925143715c359436b453e524dd9fc1"><td class="memItemLeft" align="right" valign="top">typedef _Tp </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a></td></tr>
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Public Member Functions</h2></td></tr>
<tr class="memitem:a4029546a38036de379586d8514a02ebb"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#a4029546a38036de379586d8514a02ebb">auto_ptr</a> (<a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a> *__p=0) throw ()</td></tr>
<tr class="separator:a4029546a38036de379586d8514a02ebb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa88c998565d04c8e882a3b579e46c055"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#aa88c998565d04c8e882a3b579e46c055">auto_ptr</a> (<a class="el" href="a00574.html">auto_ptr</a> &__a) throw ()</td></tr>
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<tr class="memitem:a10d7a4a15c88b4953d090c08dfc87e14"><td class="memTemplParams" colspan="2">template<typename _Tp1 > </td></tr>
<tr class="memitem:a10d7a4a15c88b4953d090c08dfc87e14"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00574.html#a10d7a4a15c88b4953d090c08dfc87e14">auto_ptr</a> (<a class="el" href="a00574.html">auto_ptr</a>< _Tp1 > &__a) throw ()</td></tr>
<tr class="separator:a10d7a4a15c88b4953d090c08dfc87e14"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a829d06b1a12a622608a3cce322238fc6"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#a829d06b1a12a622608a3cce322238fc6">auto_ptr</a> (<a class="el" href="a00575.html">auto_ptr_ref</a>< <a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a> > __ref) throw ()</td></tr>
<tr class="separator:a829d06b1a12a622608a3cce322238fc6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7306f9cb13ae8e32b4a4bc9d8bee2fd1"><td class="memItemLeft" align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#a7306f9cb13ae8e32b4a4bc9d8bee2fd1">~auto_ptr</a> ()</td></tr>
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<tr class="memitem:ac17a50e1852dcf017ab54ccb5a2d9cf3"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#ac17a50e1852dcf017ab54ccb5a2d9cf3">get</a> () const throw ()</td></tr>
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<tr class="memitem:a3da3775aba2d35047d59630d882fa9a6"><td class="memTemplParams" colspan="2"><a class="anchor" id="a3da3775aba2d35047d59630d882fa9a6"></a>
template<typename _Tp1 > </td></tr>
<tr class="memitem:a3da3775aba2d35047d59630d882fa9a6"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>operator auto_ptr< _Tp1 ></b> () throw ()</td></tr>
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<tr class="memitem:ae349cab64637962e883d25e098991a3e"><td class="memTemplParams" colspan="2"><a class="anchor" id="ae349cab64637962e883d25e098991a3e"></a>
template<typename _Tp1 > </td></tr>
<tr class="memitem:ae349cab64637962e883d25e098991a3e"><td class="memTemplItemLeft" align="right" valign="top"> </td><td class="memTemplItemRight" valign="bottom"><b>operator auto_ptr_ref< _Tp1 ></b> () throw ()</td></tr>
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<tr class="memitem:aa29de43931b66c7c12b29c69dbf2fe2c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#aa29de43931b66c7c12b29c69dbf2fe2c">operator*</a> () const throw ()</td></tr>
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<tr class="memitem:af1cc3046443a2ea0eaa710452365c8ae"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#af1cc3046443a2ea0eaa710452365c8ae">operator-></a> () const throw ()</td></tr>
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<tr class="memitem:af798a3136d8030f2158837fde7373f5b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="a00574.html">auto_ptr</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#af798a3136d8030f2158837fde7373f5b">operator=</a> (<a class="el" href="a00574.html">auto_ptr</a> &__a) throw ()</td></tr>
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<tr class="memitem:adf78f102f371538dbe78a57976053736"><td class="memTemplParams" colspan="2">template<typename _Tp1 > </td></tr>
<tr class="memitem:adf78f102f371538dbe78a57976053736"><td class="memTemplItemLeft" align="right" valign="top"><a class="el" href="a00574.html">auto_ptr</a> & </td><td class="memTemplItemRight" valign="bottom"><a class="el" href="a00574.html#adf78f102f371538dbe78a57976053736">operator=</a> (<a class="el" href="a00574.html">auto_ptr</a>< _Tp1 > &__a) throw ()</td></tr>
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<a class="el" href="a00574.html">auto_ptr</a> & </td><td class="memItemRight" valign="bottom"><b>operator=</b> (<a class="el" href="a00575.html">auto_ptr_ref</a>< <a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a> > __ref) throw ()</td></tr>
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<tr class="memitem:a7d9519c9b72d8add8292661b822ab7fe"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="a00574.html#a7d9519c9b72d8add8292661b822ab7fe">reset</a> (<a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a> *__p=0) throw ()</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><h3>template<typename _Tp><br/>
class std::auto_ptr< _Tp ></h3>
<p>A simple smart pointer providing strict ownership semantics. </p>
<p>The Standard says: </p>
<pre>
An <code><a class="el" href="a00574.html" title="A simple smart pointer providing strict ownership semantics.">auto_ptr</a></code> owns the object it holds a pointer to. Copying
an <code><a class="el" href="a00574.html" title="A simple smart pointer providing strict ownership semantics.">auto_ptr</a></code> copies the pointer and transfers ownership to the
destination. If more than one <code><a class="el" href="a00574.html" title="A simple smart pointer providing strict ownership semantics.">auto_ptr</a></code> owns the same object
at the same time the behavior of the program is undefined.</pre><pre>The uses of <code><a class="el" href="a00574.html" title="A simple smart pointer providing strict ownership semantics.">auto_ptr</a></code> include providing temporary
exception-safety for dynamically allocated memory, passing
ownership of dynamically allocated memory to a function, and
returning dynamically allocated memory from a function. <code><a class="el" href="a00574.html" title="A simple smart pointer providing strict ownership semantics.">auto_ptr</a></code> does not meet the CopyConstructible and Assignable
requirements for Standard Library <a href="tables.html#65">container</a> elements and thus
instantiating a Standard Library container with an <code><a class="el" href="a00574.html" title="A simple smart pointer providing strict ownership semantics.">auto_ptr</a></code> results in undefined behavior.
</pre><p> Quoted from [20.4.5]/3.</p>
<p>Good examples of what can and cannot be done with <a class="el" href="a00574.html" title="A simple smart pointer providing strict ownership semantics.">auto_ptr</a> can be found in the libstdc++ testsuite.</p>
<p>_GLIBCXX_RESOLVE_LIB_DEFECTS</p>
<ol type="1">
<li>auto_ptr<> conversion issues These resolutions have all been incorporated. </li>
</ol>
<p>Definition at line <a class="el" href="a00989_source.html#l00087">87</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
</div><h2 class="groupheader">Member Typedef Documentation</h2>
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<td class="memname">typedef _Tp <a class="el" href="a00574.html">std::auto_ptr</a>< _Tp >::<a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a></td>
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<p>The pointed-to type. </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00094">94</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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<h2 class="groupheader">Constructor & Destructor Documentation</h2>
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template<typename _Tp> </div>
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<td class="memname"><a class="el" href="a00574.html">std::auto_ptr</a>< _Tp >::<a class="el" href="a00574.html">auto_ptr</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a> * </td>
<td class="paramname"><em>__p</em> = <code>0</code></td><td>)</td>
<td> throw ()</td>
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<span class="mlabels"><span class="mlabel">inline</span><span class="mlabel">explicit</span></span> </td>
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<p>An auto_ptr is usually constructed from a raw pointer. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__p</td><td>A pointer (defaults to NULL).</td></tr>
</table>
</dd>
</dl>
<p>This object now <em>owns</em> the object pointed to by <em>__p</em>. </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00103">103</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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<td>(</td>
<td class="paramtype"><a class="el" href="a00574.html">auto_ptr</a>< _Tp > & </td>
<td class="paramname"><em>__a</em></td><td>)</td>
<td> throw ()</td>
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<p>An auto_ptr can be constructed from another auto_ptr. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__a</td><td>Another auto_ptr of the same type.</td></tr>
</table>
</dd>
</dl>
<p>This object now <em>owns</em> the object previously owned by <em>__a</em>, which has given up ownership. </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00112">112</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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template<typename _Tp1 > </div>
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<td class="memname"><a class="el" href="a00574.html">std::auto_ptr</a>< _Tp >::<a class="el" href="a00574.html">auto_ptr</a> </td>
<td>(</td>
<td class="paramtype"><a class="el" href="a00574.html">auto_ptr</a>< _Tp1 > & </td>
<td class="paramname"><em>__a</em></td><td>)</td>
<td> throw ()</td>
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<p>An auto_ptr can be constructed from another auto_ptr. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__a</td><td>Another auto_ptr of a different but related type.</td></tr>
</table>
</dd>
</dl>
<p>A pointer-to-Tp1 must be convertible to a pointer-to-Tp/element_type.</p>
<p>This object now <em>owns</em> the object previously owned by <em>__a</em>, which has given up ownership. </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00125">125</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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<p>When the auto_ptr goes out of scope, the object it owns is deleted. If it no longer owns anything (i.e., <code><a class="el" href="a00574.html#ac17a50e1852dcf017ab54ccb5a2d9cf3" title="Bypassing the smart pointer.">get()</a></code> is <code>NULL</code>), then this has no effect.</p>
<p>The C++ standard says there is supposed to be an empty throw specification here, but omitting it is standard conforming. Its presence can be detected only if _Tp::~_Tp() throws, but this is prohibited. [17.4.3.6]/2 </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00170">170</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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<td>(</td>
<td class="paramtype"><a class="el" href="a00575.html">auto_ptr_ref</a>< <a class="el" href="a00574.html#a7c925143715c359436b453e524dd9fc1">element_type</a> > </td>
<td class="paramname"><em>__ref</em></td><td>)</td>
<td> throw ()</td>
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<p>Automatic conversions. </p>
<p>These operations convert an auto_ptr into and from an <a class="el" href="a00575.html">auto_ptr_ref</a> automatically as needed. This allows constructs such as </p>
<div class="fragment"><div class="line">auto_ptr<Derived> func_returning_auto_ptr(.....);</div>
<div class="line">...</div>
<div class="line">auto_ptr<Base> ptr = func_returning_auto_ptr(.....);</div>
</div><!-- fragment -->
<p>Definition at line <a class="el" href="a00989_source.html#l00260">260</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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<h2 class="groupheader">Member Function Documentation</h2>
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<td>(</td>
<td class="paramtype">void </td>
<td class="paramname"></td><td>)</td>
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<p>Bypassing the smart pointer. </p>
<dl class="section return"><dt>Returns</dt><dd>The raw pointer being managed.</dd></dl>
<p>You can get a copy of the pointer that this object owns, for situations such as passing to a function which only accepts a raw pointer.</p>
<dl class="section note"><dt>Note</dt><dd>This auto_ptr still owns the memory. </dd></dl>
<p>Definition at line <a class="el" href="a00989_source.html#l00211">211</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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<p>Smart pointer dereferencing. </p>
<p>If this auto_ptr no longer owns anything, then this operation will crash. (For a smart pointer, <em>no longer owns anything</em> is the same as being a null pointer, and you know what happens when you dereference one of those...) </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00181">181</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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<p>Smart pointer dereferencing. </p>
<p>This returns the pointer itself, which the language then will automatically cause to be dereferenced. </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00194">194</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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<p>auto_ptr assignment operator. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">__a</td><td>Another auto_ptr of the same type.</td></tr>
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<p>This object now <em>owns</em> the object previously owned by <em>__a</em>, which has given up ownership. The object that this one <em>used</em> to own and track has been deleted. </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00136">136</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
<p>References <a class="el" href="a00989_source.html#l00240">std::auto_ptr< _Tp >::reset()</a>.</p>
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<p>auto_ptr assignment operator. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">__a</td><td>Another auto_ptr of a different but related type.</td></tr>
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</dd>
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<p>A pointer-to-Tp1 must be convertible to a pointer-to-Tp/element_type.</p>
<p>This object now <em>owns</em> the object previously owned by <em>__a</em>, which has given up ownership. The object that this one <em>used</em> to own and track has been deleted. </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00154">154</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
<p>References <a class="el" href="a00989_source.html#l00240">std::auto_ptr< _Tp >::reset()</a>.</p>
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<p>Bypassing the smart pointer. </p>
<dl class="section return"><dt>Returns</dt><dd>The raw pointer being managed.</dd></dl>
<p>You can get a copy of the pointer that this object owns, for situations such as passing to a function which only accepts a raw pointer.</p>
<dl class="section note"><dt>Note</dt><dd>This auto_ptr no longer owns the memory. When this object goes out of scope, nothing will happen. </dd></dl>
<p>Definition at line <a class="el" href="a00989_source.html#l00225">225</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
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<p>Forcibly deletes the managed object. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<p>This object now <em>owns</em> the object pointed to by <em>__p</em>. The previous object has been deleted. </p>
<p>Definition at line <a class="el" href="a00989_source.html#l00240">240</a> of file <a class="el" href="a00989_source.html">auto_ptr.h</a>.</p>
<p>Referenced by <a class="el" href="a00989_source.html#l00136">std::auto_ptr< _Tp >::operator=()</a>.</p>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a00989_source.html">auto_ptr.h</a></li>
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