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66  <div class="navpath"><b>bdm</b>::<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>
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69<div class="contents">
70<h1>bdm::shared_ptr&lt; T &gt; Class Template Reference</h1><!-- doxytag: class="bdm::shared_ptr" -->A naive implementation of roughly a subset of the std::tr1::shared_ptr spec. 
71<a href="#_details">More...</a>
72<p>
73<code>#include &lt;<a class="el" href="shared__ptr_8h-source.html">shared_ptr.h</a>&gt;</code>
74<p>
75
76<p>
77<a href="classbdm_1_1shared__ptr-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
78<tr><td></td></tr>
79<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
80<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#66a4d41031e37618f1a9bb3c81814c11">shared_ptr</a> ()</td></tr>
81
82<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor.  <a href="#66a4d41031e37618f1a9bb3c81814c11"></a><br></td></tr>
83<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#c8b7f0a813173581530c80d7ac4fc7c2">shared_ptr</a> (T *p)</td></tr>
84
85<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#357702d12bfd608a08b46e4a194aa4b5">shared_ptr</a> (const <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; T &gt; &amp;other)</td></tr>
86
87<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Copy constructor.  <a href="#357702d12bfd608a08b46e4a194aa4b5"></a><br></td></tr>
88<tr><td class="memTemplParams" nowrap colspan="2">template&lt;typename U &gt; </td></tr>
89<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#affa5b17385493f4102c52cf75d3b509">shared_ptr</a> (const <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; U &gt; &amp;other)</td></tr>
90
91<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Generalized copy.  <a href="#affa5b17385493f4102c52cf75d3b509"></a><br></td></tr>
92<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#79374842e417d2f64e449e374be4cfc1">~shared_ptr</a> ()</td></tr>
93
94<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="55263b1c8efbd3f8fddf703e2c457f6c"></a><!-- doxytag: member="bdm::shared_ptr::operator=" ref="55263b1c8efbd3f8fddf703e2c457f6c" args="(const shared_ptr&lt; T &gt; &amp;other)" -->
95<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; T &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#55263b1c8efbd3f8fddf703e2c457f6c">operator=</a> (const <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; T &gt; &amp;other)</td></tr>
96
97<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Assignment operator. <br></td></tr>
98<tr><td class="memItemLeft" nowrap align="right" valign="top">T *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#37ebcfb6750dd7b5630f1d2354c07a96">get</a> ()</td></tr>
99
100<tr><td class="memItemLeft" nowrap align="right" valign="top">T *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#bcaae812868eacbad050beda465d2327">operator-&gt;</a> ()</td></tr>
101
102<tr><td class="memItemLeft" nowrap align="right" valign="top">T &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#de38de837267becf5eed2839fea42c45">operator*</a> ()</td></tr>
103
104<tr><td class="memItemLeft" nowrap align="right" valign="top">const T *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#fff45e4841b2921cd42ce0691f8c1196">get</a> () const </td></tr>
105
106<tr><td class="memItemLeft" nowrap align="right" valign="top">const T *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#d89ec7ceb318241d833c7d278444396d">operator-&gt;</a> () const </td></tr>
107
108<tr><td class="memItemLeft" nowrap align="right" valign="top">const T &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#de000a72fe73804aa26962432f264800">operator*</a> () const </td></tr>
109
110<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="338dbc6aa9fd95175abdc2df3ae2c284"></a><!-- doxytag: member="bdm::shared_ptr::unique" ref="338dbc6aa9fd95175abdc2df3ae2c284" args="() const " -->
111bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#338dbc6aa9fd95175abdc2df3ae2c284">unique</a> () const </td></tr>
112
113<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns <a class="el" href="classbdm_1_1shared__ptr.html#8e52b8887a4408c52b5263a5717343f2">use_count()</a> == 1. <br></td></tr>
114<tr><td class="memItemLeft" nowrap align="right" valign="top">long&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#8e52b8887a4408c52b5263a5717343f2">use_count</a> () const </td></tr>
115
116<tr><td class="memItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#6cac71bb600f9f7c6fbed9335fd22d37">operator bool</a> () const </td></tr>
117
118<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Boolean cast.  <a href="#6cac71bb600f9f7c6fbed9335fd22d37"></a><br></td></tr>
119<tr><td class="memTemplParams" nowrap colspan="2">template&lt;typename U &gt; </td></tr>
120<tr><td class="memTemplItemLeft" nowrap align="right" valign="top">&nbsp;</td><td class="memTemplItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#b3cd369b00369ab92456aa0645e8d560">operator shared_ptr&lt; const U &gt;</a> () const </td></tr>
121
122<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">const cast  <a href="#b3cd369b00369ab92456aa0645e8d560"></a><br></td></tr>
123<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fca7fd588f8de50e7590357305b00984"></a><!-- doxytag: member="bdm::shared_ptr::swap" ref="fca7fd588f8de50e7590357305b00984" args="(shared_ptr &amp;other)" -->
124void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1shared__ptr.html#fca7fd588f8de50e7590357305b00984">swap</a> (<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a> &amp;other)</td></tr>
125
126<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Efficient swap for <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a>. <br></td></tr>
127<tr><td colspan="2"><br><h2>Friends</h2></td></tr>
128<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9a4da829475f0cf1809fc6ef555ffe06"></a><!-- doxytag: member="bdm::shared_ptr::shared_ptr" ref="9a4da829475f0cf1809fc6ef555ffe06" args="" -->
129class&nbsp;</td><td class="memItemRight" valign="bottom"><b>shared_ptr</b></td></tr>
130
131</table>
132<hr><a name="_details"></a><h2>Detailed Description</h2>
133<h3>template&lt;typename T&gt;<br>
134 class bdm::shared_ptr&lt; T &gt;</h3>
135
136A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.
137<p>
138Really just roughly - it ignores memory exceptions, for example; also note I didn't read the spec.<p>
139The standard template would naturally be preferable, <b>if</b> it was included in the standard libraries of all supported compilers - but as of 2009, that's still a problem... <hr><h2>Constructor &amp; Destructor Documentation</h2>
140<a class="anchor" name="66a4d41031e37618f1a9bb3c81814c11"></a><!-- doxytag: member="bdm::shared_ptr::shared_ptr" ref="66a4d41031e37618f1a9bb3c81814c11" args="()" -->
141<div class="memitem">
142<div class="memproto">
143<div class="memtemplate">
144template&lt;typename T&gt; </div>
145      <table class="memname">
146        <tr>
147          <td class="memname"><a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>           </td>
148          <td>(</td>
149          <td class="paramname">          </td>
150          <td>&nbsp;)&nbsp;</td>
151          <td><code> [inline]</code></td>
152        </tr>
153      </table>
154</div>
155<div class="memdoc">
156
157<p>
158Default constructor.
159<p>
160Creates an empty <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a> - one that doesn't point anywhere.
161</div>
162</div><p>
163<a class="anchor" name="c8b7f0a813173581530c80d7ac4fc7c2"></a><!-- doxytag: member="bdm::shared_ptr::shared_ptr" ref="c8b7f0a813173581530c80d7ac4fc7c2" args="(T *p)" -->
164<div class="memitem">
165<div class="memproto">
166<div class="memtemplate">
167template&lt;typename T&gt; </div>
168      <table class="memname">
169        <tr>
170          <td class="memname"><a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>           </td>
171          <td>(</td>
172          <td class="paramtype">T *&nbsp;</td>
173          <td class="paramname"> <em>p</em>          </td>
174          <td>&nbsp;)&nbsp;</td>
175          <td><code> [inline]</code></td>
176        </tr>
177      </table>
178</div>
179<div class="memdoc">
180
181<p>
182Constructs a <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a> that owns the pointer p (unless p is NULL, in which case this constructor creates an empty <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a>). When p isn't null, it must have been alllocated by new!
183</div>
184</div><p>
185<a class="anchor" name="357702d12bfd608a08b46e4a194aa4b5"></a><!-- doxytag: member="bdm::shared_ptr::shared_ptr" ref="357702d12bfd608a08b46e4a194aa4b5" args="(const shared_ptr&lt; T &gt; &amp;other)" -->
186<div class="memitem">
187<div class="memproto">
188<div class="memtemplate">
189template&lt;typename T&gt; </div>
190      <table class="memname">
191        <tr>
192          <td class="memname"><a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>           </td>
193          <td>(</td>
194          <td class="paramtype">const <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; T &gt; &amp;&nbsp;</td>
195          <td class="paramname"> <em>other</em>          </td>
196          <td>&nbsp;)&nbsp;</td>
197          <td><code> [inline]</code></td>
198        </tr>
199      </table>
200</div>
201<div class="memdoc">
202
203<p>
204Copy constructor.
205<p>
206If other is empty, constructs an empty <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a>; otherwise, constructs a <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a> that shares ownership with other.
207</div>
208</div><p>
209<a class="anchor" name="affa5b17385493f4102c52cf75d3b509"></a><!-- doxytag: member="bdm::shared_ptr::shared_ptr" ref="affa5b17385493f4102c52cf75d3b509" args="(const shared_ptr&lt; U &gt; &amp;other)" -->
210<div class="memitem">
211<div class="memproto">
212<div class="memtemplate">
213template&lt;typename T&gt; </div>
214<div class="memtemplate">
215template&lt;typename U &gt; </div>
216      <table class="memname">
217        <tr>
218          <td class="memname"><a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>           </td>
219          <td>(</td>
220          <td class="paramtype">const <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; U &gt; &amp;&nbsp;</td>
221          <td class="paramname"> <em>other</em>          </td>
222          <td>&nbsp;)&nbsp;</td>
223          <td><code> [inline]</code></td>
224        </tr>
225      </table>
226</div>
227<div class="memdoc">
228
229<p>
230Generalized copy.
231<p>
232Allows initialization of shared pointer of a base type from raw pointer to a derived type.<p>
233If other is empty, constructs an empty <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a>; otherwise, constructs a <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a> that shares ownership with other.
234</div>
235</div><p>
236<a class="anchor" name="79374842e417d2f64e449e374be4cfc1"></a><!-- doxytag: member="bdm::shared_ptr::~shared_ptr" ref="79374842e417d2f64e449e374be4cfc1" args="()" -->
237<div class="memitem">
238<div class="memproto">
239<div class="memtemplate">
240template&lt;typename T&gt; </div>
241      <table class="memname">
242        <tr>
243          <td class="memname"><a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::~<a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>           </td>
244          <td>(</td>
245          <td class="paramname">          </td>
246          <td>&nbsp;)&nbsp;</td>
247          <td><code> [inline]</code></td>
248        </tr>
249      </table>
250</div>
251<div class="memdoc">
252
253<p>
254Destructor.
255</div>
256</div><p>
257<hr><h2>Member Function Documentation</h2>
258<a class="anchor" name="fff45e4841b2921cd42ce0691f8c1196"></a><!-- doxytag: member="bdm::shared_ptr::get" ref="fff45e4841b2921cd42ce0691f8c1196" args="() const " -->
259<div class="memitem">
260<div class="memproto">
261<div class="memtemplate">
262template&lt;typename T&gt; </div>
263      <table class="memname">
264        <tr>
265          <td class="memname">const T* <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::get           </td>
266          <td>(</td>
267          <td class="paramname">          </td>
268          <td>&nbsp;)&nbsp;</td>
269          <td> const<code> [inline]</code></td>
270        </tr>
271      </table>
272</div>
273<div class="memdoc">
274
275<p>
276Returns the stored pointer (which remains owned by this instance). For empty instances, this method returns NULL.
277</div>
278</div><p>
279<a class="anchor" name="37ebcfb6750dd7b5630f1d2354c07a96"></a><!-- doxytag: member="bdm::shared_ptr::get" ref="37ebcfb6750dd7b5630f1d2354c07a96" args="()" -->
280<div class="memitem">
281<div class="memproto">
282<div class="memtemplate">
283template&lt;typename T&gt; </div>
284      <table class="memname">
285        <tr>
286          <td class="memname">T* <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::get           </td>
287          <td>(</td>
288          <td class="paramname">          </td>
289          <td>&nbsp;)&nbsp;</td>
290          <td><code> [inline]</code></td>
291        </tr>
292      </table>
293</div>
294<div class="memdoc">
295
296<p>
297Returns the stored pointer (which remains owned by this instance). For empty instances, this method returns NULL.
298<p>Referenced by <a class="el" href="bdmbase_8cpp-source.html#l00345">bdm::mepdf::from_setting()</a>, <a class="el" href="bdmbase_8h-source.html#l00719">bdm::mepdf::mepdf()</a>, and <a class="el" href="kalman_8h-source.html#l00120">bdm::Kalman&lt; fsqmat &gt;::posterior()</a>.</p>
299
300</div>
301</div><p>
302<a class="anchor" name="6cac71bb600f9f7c6fbed9335fd22d37"></a><!-- doxytag: member="bdm::shared_ptr::operator bool" ref="6cac71bb600f9f7c6fbed9335fd22d37" args="() const " -->
303<div class="memitem">
304<div class="memproto">
305<div class="memtemplate">
306template&lt;typename T&gt; </div>
307      <table class="memname">
308        <tr>
309          <td class="memname"><a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator bool           </td>
310          <td>(</td>
311          <td class="paramname">          </td>
312          <td>&nbsp;)&nbsp;</td>
313          <td> const<code> [inline]</code></td>
314        </tr>
315      </table>
316</div>
317<div class="memdoc">
318
319<p>
320Boolean cast.
321<p>
322This operator returns true if and only if the instance isn't empty.
323</div>
324</div><p>
325<a class="anchor" name="b3cd369b00369ab92456aa0645e8d560"></a><!-- doxytag: member="bdm::shared_ptr::operator shared_ptr&lt; const U &gt;" ref="b3cd369b00369ab92456aa0645e8d560" args="() const " -->
326<div class="memitem">
327<div class="memproto">
328<div class="memtemplate">
329template&lt;typename T&gt; </div>
330<div class="memtemplate">
331template&lt;typename U &gt; </div>
332      <table class="memname">
333        <tr>
334          <td class="memname"><a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; const U &gt;           </td>
335          <td>(</td>
336          <td class="paramname">          </td>
337          <td>&nbsp;)&nbsp;</td>
338          <td> const<code> [inline]</code></td>
339        </tr>
340      </table>
341</div>
342<div class="memdoc">
343
344<p>
345const cast
346<p>
347Shared pointer to T can be converted to shared pointer to const T, just like T * can be converted to T const *.
348</div>
349</div><p>
350<a class="anchor" name="de000a72fe73804aa26962432f264800"></a><!-- doxytag: member="bdm::shared_ptr::operator*" ref="de000a72fe73804aa26962432f264800" args="() const " -->
351<div class="memitem">
352<div class="memproto">
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354template&lt;typename T&gt; </div>
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356        <tr>
357          <td class="memname">const T&amp; <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator*           </td>
358          <td>(</td>
359          <td class="paramname">          </td>
360          <td>&nbsp;)&nbsp;</td>
361          <td> const<code> [inline]</code></td>
362        </tr>
363      </table>
364</div>
365<div class="memdoc">
366
367<p>
368Returns a reference to the object pointed to by the stored pointer. This method may only be called when the stored pointer isn't NULL.
369</div>
370</div><p>
371<a class="anchor" name="de38de837267becf5eed2839fea42c45"></a><!-- doxytag: member="bdm::shared_ptr::operator*" ref="de38de837267becf5eed2839fea42c45" args="()" -->
372<div class="memitem">
373<div class="memproto">
374<div class="memtemplate">
375template&lt;typename T&gt; </div>
376      <table class="memname">
377        <tr>
378          <td class="memname">T&amp; <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator*           </td>
379          <td>(</td>
380          <td class="paramname">          </td>
381          <td>&nbsp;)&nbsp;</td>
382          <td><code> [inline]</code></td>
383        </tr>
384      </table>
385</div>
386<div class="memdoc">
387
388<p>
389Returns a reference to the object pointed to by the stored pointer. This method may only be called when the stored pointer isn't NULL.
390</div>
391</div><p>
392<a class="anchor" name="d89ec7ceb318241d833c7d278444396d"></a><!-- doxytag: member="bdm::shared_ptr::operator&#45;&gt;" ref="d89ec7ceb318241d833c7d278444396d" args="() const " -->
393<div class="memitem">
394<div class="memproto">
395<div class="memtemplate">
396template&lt;typename T&gt; </div>
397      <table class="memname">
398        <tr>
399          <td class="memname">const T* <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator-&gt;           </td>
400          <td>(</td>
401          <td class="paramname">          </td>
402          <td>&nbsp;)&nbsp;</td>
403          <td> const<code> [inline]</code></td>
404        </tr>
405      </table>
406</div>
407<div class="memdoc">
408
409<p>
410Returns the stored pointer (which remains owned by this instance). This method may only be called when the stored pointer isn't NULL.
411</div>
412</div><p>
413<a class="anchor" name="bcaae812868eacbad050beda465d2327"></a><!-- doxytag: member="bdm::shared_ptr::operator&#45;&gt;" ref="bcaae812868eacbad050beda465d2327" args="()" -->
414<div class="memitem">
415<div class="memproto">
416<div class="memtemplate">
417template&lt;typename T&gt; </div>
418      <table class="memname">
419        <tr>
420          <td class="memname">T* <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::operator-&gt;           </td>
421          <td>(</td>
422          <td class="paramname">          </td>
423          <td>&nbsp;)&nbsp;</td>
424          <td><code> [inline]</code></td>
425        </tr>
426      </table>
427</div>
428<div class="memdoc">
429
430<p>
431Dereferences the stored pointer (which remains owned by this instance). This method may only be called when the stored pointer isn't NULL.
432</div>
433</div><p>
434<a class="anchor" name="8e52b8887a4408c52b5263a5717343f2"></a><!-- doxytag: member="bdm::shared_ptr::use_count" ref="8e52b8887a4408c52b5263a5717343f2" args="() const " -->
435<div class="memitem">
436<div class="memproto">
437<div class="memtemplate">
438template&lt;typename T&gt; </div>
439      <table class="memname">
440        <tr>
441          <td class="memname">long <a class="el" href="classbdm_1_1shared__ptr.html">bdm::shared_ptr</a>&lt; T &gt;::use_count           </td>
442          <td>(</td>
443          <td class="paramname">          </td>
444          <td>&nbsp;)&nbsp;</td>
445          <td> const<code> [inline]</code></td>
446        </tr>
447      </table>
448</div>
449<div class="memdoc">
450
451<p>
452Returns the number of <a class="el" href="classbdm_1_1shared__ptr.html" title="A naive implementation of roughly a subset of the std::tr1::shared_ptr spec.">shared_ptr</a> instances (including this instance) that share ownership with this instance. For empty instances, this method returns 0.
453</div>
454</div><p>
455<hr>The documentation for this class was generated from the following file:<ul>
456<li><a class="el" href="shared__ptr_8h-source.html">shared_ptr.h</a></ul>
457</div>
458<hr size="1"><address style="text-align: right;"><small>Generated on Sat Aug 29 20:49:46 2009 for mixpp by&nbsp;
459<a href="http://www.doxygen.org/index.html">
460<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
461</body>
462</html>
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