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<hr><h1>NLMISC::CRefPtr Class Template Reference</h1><a class="el" href="classNLMISC_1_1CRefPtr.html">CRefPtr</a>: an handle on a ptr.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="smart__ptr_8h-source.html">smart_ptr.h</a>></code>
<p>
<a href="classNLMISC_1_1CRefPtr-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td colspan=2><br><h2>Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a0">CRefPtr</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>Init a NULL Ptr.</em> <a href="#a0">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a1">CRefPtr</a> (T *<a class="el" href="driver__opengl__extension__def_8h.html#a368">v</a>)</td></tr>
<tr><td> </td><td><font size=-1><em>Attach a ptr to a RefPtr.</em> <a href="#a1">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a2">CRefPtr</a> (const CRefPtr &copy)</td></tr>
<tr><td> </td><td><font size=-1><em>Copy constructor.</em> <a href="#a2">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a3">~CRefPtr</a> (void)</td></tr>
<tr><td> </td><td><font size=-1><em>Release the RefPtr.</em> <a href="#a3">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top> </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a4">operator T *</a> () const</td></tr>
<tr><td> </td><td><font size=-1><em>Cast operator. Check if the object has been deleted somewhere, and return NULL if this is the case.</em> <a href="#a4">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>T & </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a5">operator *</a> (void) const</td></tr>
<tr><td> </td><td><font size=-1><em>Indirection operator. Doesn't test if ptr has been deleted somewhere, and doesn't check NULL.</em> <a href="#a5">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>T * </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a6">operator-></a> (void) const</td></tr>
<tr><td> </td><td><font size=-1><em>Selection operator. Doesn't test if ptr has been deleted somewhere, and doesn't check NULL.</em> <a href="#a6">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>CRefPtr & </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a7">operator=</a> (T *<a class="el" href="driver__opengl__extension__def_8h.html#a368">v</a>)</td></tr>
<tr><td> </td><td><font size=-1><em>operator=. Giving a NULL pointer is a valid operation.</em> <a href="#a7">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>CRefPtr & </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a8">operator=</a> (const CRefPtr &copy)</td></tr>
<tr><td> </td><td><font size=-1><em>operator=. Giving a NULL pointer is a valid operation.</em> <a href="#a8">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#a9">kill</a> ()</td></tr>
<tr><td> </td><td><font size=-1><em>kill/delete the object pointed by the pointer, and inform the other RefPtr of this.</em> <a href="#a9">More...</a><em></em></font><br><br></td></tr>
<tr><td colspan=2><br><h2>Private Methods</h2></td></tr>
<tr><td nowrap align=right valign=top>void </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#c0">unRef</a> () const</td></tr>
<tr><td colspan=2><br><h2>Private Attributes</h2></td></tr>
<tr><td nowrap align=right valign=top><a class="el" href="structNLMISC_1_1CRefCount_1_1CPtrInfo.html">CRefCount::CPtrInfo</a> * </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#o0">pinfo</a></td></tr>
<tr><td nowrap align=right valign=top>T * </td><td valign=bottom><a class="el" href="classNLMISC_1_1CRefPtr.html#o1">Ptr</a></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
<h3>template<class T><br>
class NLMISC::CRefPtr< T ></h3>
<a class="el" href="classNLMISC_1_1CRefPtr.html">CRefPtr</a>: an handle on a ptr.
<p>
T Must derive from <a class="el" href="classNLMISC_1_1CRefCount.html">CRefCount</a>. If you use <a class="el" href="classNLMISC_1_1CRefPtr.html">CRefPtr</a>, you can kill the object simply by calling delete (T*)RefPtr, or the <a class="el" href="classNLMISC_1_1CRefPtr.html#a9">kill</a>() method. All other <a class="el" href="classNLMISC_1_1CRefPtr.html">CRefPtr</a> which point to it can know if it has been deleted. (but you must be sure that this ptr is not handle by a SmartPtr, of course...)
<p>
SmartPtr are compatible with RefPtr. A ptr may be link to a <a class="el" href="classNLMISC_1_1CRefPtr.html">CRefPtr</a> and a <a class="el" href="classNLMISC_1_1CSmartPtr.html">CSmartPtr</a>. As example, when the <a class="el" href="classNLMISC_1_1CSmartPtr.html">CSmartPtr</a> will destroy him, <a class="el" href="classNLMISC_1_1CRefPtr.html">CRefPtr</a> will be informed... Sample: <div class="fragment"><pre> <font class="keywordtype">void</font> foo()
{
A *p;
CSmartPtr<A> sp;
CRefPtr<A> rp;
p= <font class="keyword">new</font> A;
sp= p; <font class="comment">// OK. p is now owned by sp and will be deleted by sp.</font>
rp= p; <font class="comment">// OK. rp handle p.</font>
sp= NULL; <font class="comment">// Destruction. p deleted. rp automatically informed.</font>
<font class="keywordflow">if</font>(rp==NULL)
thisIsGood(); <font class="comment">// rp==NULL.</font>
}
</pre></div>
<p>
<b>PERFORMANCE</b> <b>WARNING!</b> <a class="el" href="classNLMISC_1_1CRefPtr.html#a7">operator=</a>() are about 10 times slower than normal pointers. So use them wisely. For local use, prefer cast the refptr to a normal Ptr. Also, an object used with a <a class="el" href="classNLMISC_1_1CRefPtr.html">CRefPtr</a> will allocate a small PtrInfo (one only per object, not per ptr). <dl compact><dt><b>
See also: </b><dd>
<a class="el" href="classNLMISC_1_1CSmartPtr.html">CSmartPtr</a> </dl>
<p>
<p>
Definition at line <a class="el" href="smart__ptr_8h-source.html#l00244">244</a> of file <a class="el" href="smart__ptr_8h-source.html">smart_ptr.h</a>.<hr><h2>Constructor & Destructor Documentation</h2>
<a name="a0" doxytag="NLMISC::CRefPtr::CRefPtr"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
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<td class="md" colspan="4">
template<class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> NLMISC::CRefPtr< T >::CRefPtr </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Init a NULL Ptr.
<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00150">150</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00247">pinfo</a>, <a class="el" href="smart__ptr_8h-source.html#l00248">Ptr</a>, and <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>. </td>
</tr>
</table>
<a name="a1" doxytag="NLMISC::CRefPtr::CRefPtr"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> NLMISC::CRefPtr< T >::CRefPtr </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">T * </td>
<td class="mdname1" valign="top" nowrap> <em>v</em> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [inline]</code></td>
</tr>
</table>
</td>
</tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
<tr>
<td>
</td>
<td>
<p>
Attach a ptr to a RefPtr.
<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00157">157</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00247">pinfo</a>, <a class="el" href="smart__ptr_8h-source.html#l00248">Ptr</a>, <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>, and <a class="el" href="driver__opengl__extension__def_8h-source.html#l00234">v</a>. </td>
</tr>
</table>
<a name="a2" doxytag="NLMISC::CRefPtr::CRefPtr"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
<tr>
<td class="md">
<table cellpadding="0" cellspacing="0" border="0">
<tr>
<td class="md" colspan="4">
template<class T> </td>
</tr>
<tr>
<td class="md" nowrap valign="top"> NLMISC::CRefPtr< T >::CRefPtr </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const CRefPtr< T > & </td>
<td class="mdname1" valign="top" nowrap> <em>copy</em> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [inline]</code></td>
</tr>
</table>
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Copy constructor.
<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00174">174</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00247">pinfo</a>, <a class="el" href="smart__ptr_8h-source.html#l00248">Ptr</a>, and <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>. </td>
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<a name="a3" doxytag="NLMISC::CRefPtr::~CRefPtr"></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> NLMISC::CRefPtr< T >::~CRefPtr </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap><code> [inline]</code></td>
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Release the RefPtr.
<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00182">182</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00247">pinfo</a>, <a class="el" href="smart__ptr_8h-source.html#l00248">Ptr</a>, <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>, and <a class="el" href="smart__ptr__inline_8h-source.html#l00118">unRef</a>. </td>
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<hr><h2>Member Function Documentation</h2>
<a name="a9" doxytag="NLMISC::CRefPtr::kill"></a><p>
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<td class="md" nowrap valign="top"> void NLMISC::CRefPtr< T >::kill </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
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<p>
kill/delete the object pointed by the pointer, and inform the other RefPtr of this.
<p>
"rp.kill()" and "delete (T*)rp" do the same thing, except that rp NULLity is updated with <a class="el" href="classNLMISC_1_1CRefPtr.html#a9">kill</a>(). RefPtr which point to the same object could know if the object is valid, by just testing it ( by an implicit call to the cast operator to T*). But any calls to <a class="el" href="classNLMISC_1_1CRefPtr.html#a6">operator-></a>() or <a class="el" href="classNLMISC_1_1CRefPtr.html#a5">operator *</a>() will have unpredictible effects (may crash... :) ).
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00238">238</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00247">pinfo</a>, <a class="el" href="smart__ptr_8h-source.html#l00248">Ptr</a>, <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>, and <a class="el" href="smart__ptr__inline_8h-source.html#l00118">unRef</a>. </td>
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<a name="a5" doxytag="NLMISC::CRefPtr::operator *"></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> T & NLMISC::CRefPtr< T >::operator * </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap> const<code> [inline]</code></td>
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<p>
Indirection operator. Doesn't test if ptr has been deleted somewhere, and doesn't check NULL.
<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00269">269</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
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References <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>. </td>
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<a name="a4" doxytag="NLMISC::CRefPtr::operator T *"></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> NLMISC::CRefPtr< T >::operator T * </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap> const<code> [inline]</code></td>
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<p>
Cast operator. Check if the object has been deleted somewhere, and return NULL if this is the case.
<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00257">257</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00247">pinfo</a>, <a class="el" href="smart__ptr_8h-source.html#l00248">Ptr</a>, and <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>. </td>
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<a name="a6" doxytag="NLMISC::CRefPtr::operator->"></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> T * NLMISC::CRefPtr< T >::operator-> </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">void </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap> const<code> [inline]</code></td>
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Selection operator. Doesn't test if ptr has been deleted somewhere, and doesn't check NULL.
<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00274">274</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00248">Ptr</a>, and <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>. </td>
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<a name="a8" doxytag="NLMISC::CRefPtr::operator="></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> CRefPtr< T > & NLMISC::CRefPtr< T >::operator= </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const CRefPtr< T > & </td>
<td class="mdname1" valign="top" nowrap> <em>copy</em> </td>
<td class="md" valign="top">) </td>
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<p>
operator=. Giving a NULL pointer is a valid operation.
<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00220">220</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00247">pinfo</a>, <a class="el" href="smart__ptr_8h-source.html#l00248">Ptr</a>, <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>, and <a class="el" href="smart__ptr__inline_8h-source.html#l00118">unRef</a>. </td>
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<a name="a7" doxytag="NLMISC::CRefPtr::operator="></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> CRefPtr< T > & NLMISC::CRefPtr< T >::operator= </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">T * </td>
<td class="mdname1" valign="top" nowrap> <em>v</em> </td>
<td class="md" valign="top">) </td>
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<p>
operator=. Giving a NULL pointer is a valid operation.
<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00193">193</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00247">pinfo</a>, <a class="el" href="smart__ptr_8h-source.html#l00248">Ptr</a>, <a class="el" href="smart__ptr_8h-source.html#l00090">REF_TRACE</a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00118">unRef</a>, and <a class="el" href="driver__opengl__extension__def_8h-source.html#l00234">v</a>. </td>
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<a name="c0" doxytag="NLMISC::CRefPtr::unRef"></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> SMART_INLINE void NLMISC::CRefPtr< T >::unRef </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top">) </td>
<td class="md" nowrap> const<code> [private]</code></td>
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<p>
<p>
Definition at line <a class="el" href="smart__ptr__inline_8h-source.html#l00118">118</a> of file <a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a>.
<p>
References <a class="el" href="smart__ptr_8h-source.html#l00247">pinfo</a>, and <a class="el" href="smart__ptr__inline_8h-source.html#l00039">SMART_INLINE</a>.
<p>
Referenced by <a class="el" href="smart__ptr__inline_8h-source.html#l00238">kill</a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00193">operator=</a>, and <a class="el" href="smart__ptr__inline_8h-source.html#l00182">~CRefPtr</a>. </td>
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<hr><h2>Member Data Documentation</h2>
<a name="o0" doxytag="NLMISC::CRefPtr::pinfo"></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> <a class="el" href="structNLMISC_1_1CRefCount_1_1CPtrInfo.html">CRefCount::CPtrInfo</a>* NLMISC::CRefPtr::pinfo<code> [private]</code>
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<p>
<p>
Definition at line <a class="el" href="smart__ptr_8h-source.html#l00247">247</a> of file <a class="el" href="smart__ptr_8h-source.html">smart_ptr.h</a>.
<p>
Referenced by <a class="el" href="smart__ptr__inline_8h-source.html#l00150">CRefPtr</a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00238">kill</a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00257">operator T *</a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00193">operator=</a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00118">unRef</a>, and <a class="el" href="smart__ptr__inline_8h-source.html#l00182">~CRefPtr</a>. </td>
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<a name="o1" doxytag="NLMISC::CRefPtr::Ptr"></a><p>
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template<class T> </td>
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<td class="md" nowrap valign="top"> T* NLMISC::CRefPtr::Ptr<code> [private]</code>
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<p>
<p>
Definition at line <a class="el" href="smart__ptr_8h-source.html#l00248">248</a> of file <a class="el" href="smart__ptr_8h-source.html">smart_ptr.h</a>.
<p>
Referenced by <a class="el" href="smart__ptr__inline_8h-source.html#l00150">CRefPtr</a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00238">kill</a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00257">operator T *</a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00274">operator-></a>, <a class="el" href="smart__ptr__inline_8h-source.html#l00193">operator=</a>, and <a class="el" href="smart__ptr__inline_8h-source.html#l00182">~CRefPtr</a>. </td>
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<hr>The documentation for this class was generated from the following files:<ul>
<li><a class="el" href="smart__ptr_8h-source.html">smart_ptr.h</a><li><a class="el" href="smart__ptr__inline_8h-source.html">smart_ptr_inline.h</a></ul>
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