ceph/src/boost/libs/ptr_container/doc/ptr_inserter.html

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 287 </style>
 288 </head>
 289 <body>
 290 <div class="document" id="boost-pointer-container-library">
 291 <h1 class="title"><img alt="Boost" src="boost.png" /> Pointer Container Library</h1>
 292 <h2 class="subtitle" id="insert-iterators">Insert Iterators</h2>
 293 <p>When you work with normal value-based containers and algorithms, you often
 294 use insert iterators</p>
 295 <pre class="literal-block">
 296 std::list&lt;int&gt; coll1;
 297 // ...
 298 std::vector&lt;int&gt; coll2;
 299 std::copy( coll1.begin(), coll1.end(),
 300            back_inserter(coll2) );
 301 </pre>
 302 <p>With the special insert iterators for pointer containers,
 303 you can do exactly the same</p>
 304 <pre class="literal-block">
 305 boost::ptr_list&lt;Base&gt; coll1;
 306 // ...
 307 boost::ptr_vector&lt;Base&gt; coll2;
 308 std::copy( coll1.begin(), coll1.end(),
 309            boost::ptr_container::ptr_back_inserter(coll2) );
 310 </pre>
 311 <p>Each element is cloned and inserted into the container. Furthermore,
 312 if the source range iterates over pointers
 313 instead of references, <tt class="docutils literal"><span class="pre">NULL</span></tt> pointers
 314 can be transfered as well.</p>
 315 <p><strong>Navigate</strong></p>
 316 <ul class="simple">
 317 <li><a class="reference" href="ptr_container.html">home</a></li>
 318 <li><a class="reference" href="reference.html">reference</a></li>
 319 </ul>
 320 <p><strong>Synopsis:</strong></p>
 321 <pre class="literal-block">
 322 namespace boost
 323 {
 324     namespace ptr_container
 325     {
 326
 327         template&lt; class PtrContainer &gt;
 328         class ptr_back_insert_iterator;
 329
 330         template&lt; class PtrContainer &gt;
 331         class ptr_front_insert_iterator;
 332
 333         template&lt; class PtrContainer &gt;
 334         class ptr_insert_iterator;
 335
 336         template&lt; class PtrContainer &gt;
 337         ptr_back_insert_iterator&lt;PtrContainer&gt;
 338         ptr_back_inserter( PtrContainer&amp; cont );
 339
 340         template&lt; class PtrContainer &gt;
 341         ptr_front_insert_iterator&lt;PtrContainer&gt;
 342         ptr_front_inserter( PtrContainer&amp; cont );
 343
 344         template&lt; class PtrContainer &gt;
 345         ptr_insert_iterator&lt;PtrContainer&gt;
 346         ptr_inserter( PtrContainer&amp; cont, typename PtrContainer::iterator before );
 347
 348     } // namespace 'ptr_container'
 349 } // namespace 'boost'
 350 </pre>
 351 <hr><table class="docutils field-list" frame="void" rules="none">
 352 <col class="field-name" />
 353 <col class="field-body" />
 354 <tbody valign="top">
 355 <tr class="field"><th class="field-name">Copyright:</th><td class="field-body">Thorsten Ottosen 2008. Use, modification and distribution is subject to the Boost Software License, Version 1.0 (see <a class="reference" href="http://www.boost.org/LICENSE_1_0.txt">LICENSE_1_0.txt</a>).</td>
 356 </tr>
 357 </tbody>
 358 </table>
 359 </div>
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