ceph/src/boost/libs/ptr_container/doc/associative_ptr_container.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 <div class="section">
 293 <h1><a id="class-associative-ptr-container" name="class-associative-ptr-container">Class <tt class="docutils literal"><span class="pre">associative_ptr_container</span></tt></a></h1>
 294 <p>This section describes all the common operations for all associative
 295 pointer containers (in addition to <tt class="docutils literal"><span class="pre">reversible_ptr_container</span></tt>).</p>
 296 <p><strong>Hierarchy:</strong></p>
 297 <ul class="simple">
 298 <li><a class="reference" href="reversible_ptr_container.html">reversible_ptr_container</a><ul>
 299 <li><tt class="docutils literal"><span class="pre">associative_ptr_container</span></tt><ul>
 300 <li><a class="reference" href="ptr_set_adapter.html">ptr_set_adapter</a></li>
 301 <li><a class="reference" href="ptr_multiset_adapter.html">ptr_multiset_adapter</a></li>
 302 <li><a class="reference" href="ptr_map_adapter.html">ptr_map_adapter</a></li>
 303 <li><a class="reference" href="ptr_multimap_adapter.html">ptr_multi_map_adapter</a><ul>
 304 <li><a class="reference" href="ptr_set.html">ptr_set</a></li>
 305 <li><a class="reference" href="ptr_multiset.html">ptr_multi_set</a></li>
 306 <li><a class="reference" href="ptr_map.html">ptr_map</a></li>
 307 <li><a class="reference" href="ptr_multimap.html">ptr_multimap</a></li>
 308 </ul>
 309 </li>
 310 </ul>
 311 </li>
 312 </ul>
 313 </li>
 314 </ul>
 315 <p><strong>See also:</strong></p>
 316 <ul class="simple">
 317 <li><a class="reference" href="http://www.boost.org/libs/range/doc/utility_class.html#iter_range">iterator_range</a></li>
 318 </ul>
 319 <p><strong>Navigate:</strong></p>
 320 <ul class="simple">
 321 <li><a class="reference" href="ptr_container.html">home</a></li>
 322 <li><a class="reference" href="reference.html">reference</a></li>
 323 </ul>
 324 <p><strong>Synopsis:</strong></p>
 325 <pre class="literal-block">
 326 namespace boost
 327 {
 328     template
 329     &lt;
 330         class Key,
 331         class CloneAllocator = heap_clone_allocator
 332     &gt;
 333     class associative_ptr_container
 334     {
 335     public: // <a class="reference" href="#typedefs">typedefs</a>
 336         typedef ...   key_type;
 337         typedef ...   key_compare;
 338         typedef ...   value_compare;
 339
 340     public: // <a class="reference" href="#observers">observers</a>
 341         key_compare    key_comp() const;
 342         value_compare  value_comp() const;
 343
 344     public: // <a class="reference" href="#modifiers">modifiers</a>
 345         template&lt; typename InputIterator &gt;
 346         void       insert( InputIterator first, InputIterator last );
 347         template&lt; class InputRange &gt;
 348         void       insert( const InputRange&amp; r );
 349         void       erase( iterator position );
 350         size_type  erase( const key_type&amp; x );
 351         template&lt; class Range &gt;
 352         void       erase( const Range&amp; r );
 353         void       erase( iterator first, iterator last );
 354
 355     public: // <a class="reference" href="#algorithms">algorithms</a>
 356         iterator                        find( const key_type&amp; x );
 357         const_iterator                  find( const key_type&amp; x ) const;
 358         size_type                       count( const key_type&amp; x ) const;
 359         iterator                        lower_bound( const key_type&amp; x );
 360         const_iterator                  lower_bound( const key_type&amp; x ) const;
 361         iterator                        upper_bound( const key_type&amp; x );
 362         const_iterator                  upper_bound( const key_type&amp; x ) const;
 363         iterator_range&lt;iterator&gt;        equal_range( const key_type&amp; x );
 364         iterator_range&lt;const_iterator&gt;  equal_range( const key_type&amp; x ) const;
 365
 366     }; //  class 'associative_ptr_container'
 367
 368 } // namespace 'boost'
 369 </pre>
 370 </div>
 371 <div class="section">
 372 <h1><a id="semantics" name="semantics">Semantics</a></h1>
 373 <div class="section">
 374 <h2><a id="semantics-typedefs" name="semantics-typedefs"><span id="typedefs"></span>Semantics: typedefs</a></h2>
 375 <ul>
 376 <li><p class="first"><tt class="docutils literal"><span class="pre">typedef</span> <span class="pre">...</span> <span class="pre">key_type;</span></tt></p>
 377 <blockquote>
 378 <ul class="simple">
 379 <li>if we are dealing with a map, then simply the key type</li>
 380 <li>if we are dealing with a set, then the <em>indirected</em> key type, that is,
 381 given <tt class="docutils literal"><span class="pre">ptr_set&lt;T&gt;</span></tt>, <tt class="docutils literal"><span class="pre">key_type*</span></tt> will be <tt class="docutils literal"><span class="pre">T*</span></tt>.</li>
 382 </ul>
 383 </blockquote>
 384 </li>
 385 <li><p class="first"><tt class="docutils literal"><span class="pre">typedef</span> <span class="pre">...</span> <span class="pre">key_compare;</span></tt></p>
 386 <blockquote>
 387 <ul class="simple">
 388 <li>comparison object type that determines the order of elements in the container</li>
 389 </ul>
 390 </blockquote>
 391 </li>
 392 <li><p class="first"><tt class="docutils literal"><span class="pre">typedef</span> <span class="pre">...</span> <span class="pre">value_compare;</span></tt></p>
 393 <blockquote>
 394 <ul class="simple">
 395 <li>comparison object type that determines the order of elements in the container</li>
 396 <li>if we are dealing with a map, then this comparison simply forwards to the <tt class="docutils literal"><span class="pre">key_compare</span></tt> comparison operation</li>
 397 </ul>
 398 </blockquote>
 399 </li>
 400 </ul>
 401 </div>
 402 <div class="section">
 403 <h2><a id="semantics-observers" name="semantics-observers"><span id="observers"></span>Semantics: observers</a></h2>
 404 <ul>
 405 <li><p class="first"><tt class="docutils literal"><span class="pre">key_compare</span> <span class="pre">key_comp()</span> <span class="pre">const;</span></tt></p>
 406 </li>
 407 <li><p class="first"><tt class="docutils literal"><span class="pre">value_compare</span> <span class="pre">value_comp()</span> <span class="pre">const;</span></tt></p>
 408 <blockquote>
 409 <ul class="simple">
 410 <li>returns copies of objects used to determine the order of elements</li>
 411 </ul>
 412 </blockquote>
 413 </li>
 414 </ul>
 415 </div>
 416 <div class="section">
 417 <h2><a id="semantics-modifiers" name="semantics-modifiers"><span id="modifiers"></span>Semantics: modifiers</a></h2>
 418 <ul>
 419 <li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">typename</span> <span class="pre">InputIterator</span> <span class="pre">&gt;</span>
 420 <span class="pre">void</span> <span class="pre">insert(</span> <span class="pre">InputIterator</span> <span class="pre">first,</span> <span class="pre">InputIterator</span> <span class="pre">last</span> <span class="pre">);</span></tt></p>
 421 <blockquote>
 422 <ul class="simple">
 423 <li>Requirements: <tt class="docutils literal"><span class="pre">[first,last)</span></tt> is a valid range</li>
 424 <li>Effects: Inserts a cloned range</li>
 425 <li>Exception safety: Basic guarantee</li>
 426 </ul>
 427 </blockquote>
 428 </li>
 429 <li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">InputRange</span> <span class="pre">&gt;</span>
 430 <span class="pre">void</span> <span class="pre">insert(</span> <span class="pre">const</span> <span class="pre">InputRange&amp;</span> <span class="pre">r</span> <span class="pre">);</span></tt></p>
 431 <blockquote>
 432 <ul class="simple">
 433 <li>Effects: <tt class="docutils literal"><span class="pre">insert(</span> <span class="pre">boost::begin(r),</span> <span class="pre">boost::end(r)</span> <span class="pre">);</span></tt></li>
 434 </ul>
 435 </blockquote>
 436 </li>
 437 <li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">erase(</span> <span class="pre">iterator</span> <span class="pre">position</span> <span class="pre">);</span></tt></p>
 438 <blockquote>
 439 <ul class="simple">
 440 <li>Requirements: <tt class="docutils literal"><span class="pre">position</span></tt> is a valid iterator from the container</li>
 441 <li>Effects: Removes the element defined by <tt class="docutils literal"><span class="pre">position</span></tt>.</li>
 442 <li>Throws: Nothing</li>
 443 </ul>
 444 </blockquote>
 445 </li>
 446 <li><p class="first"><tt class="docutils literal"><span class="pre">size_type</span> <span class="pre">erase(</span> <span class="pre">const</span> <span class="pre">key_type&amp;</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
 447 <blockquote>
 448 <ul class="simple">
 449 <li>Effects: Removes all the elements in the container with a key equivalent to <tt class="docutils literal"><span class="pre">x</span></tt> and returns the number of erased elements.</li>
 450 <li>Throws: Nothing</li>
 451 </ul>
 452 </blockquote>
 453 </li>
 454 <li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">erase(</span> <span class="pre">iterator</span> <span class="pre">first,</span> <span class="pre">iterator</span> <span class="pre">last</span> <span class="pre">);</span></tt></p>
 455 <blockquote>
 456 <ul class="simple">
 457 <li>Requirements: <tt class="docutils literal"><span class="pre">[first,last)</span></tt> is a valid range</li>
 458 <li>Effects: Removes the range of elements defined by <tt class="docutils literal"><span class="pre">[first,last)</span></tt>.</li>
 459 <li>Throws: Nothing</li>
 460 </ul>
 461 </blockquote>
 462 </li>
 463 <li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">Range</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">erase(</span> <span class="pre">const</span> <span class="pre">Range&amp;</span> <span class="pre">r</span> <span class="pre">);</span></tt></p>
 464 <blockquote>
 465 <ul class="simple">
 466 <li>Effects: <tt class="docutils literal"><span class="pre">erase(</span> <span class="pre">boost::begin(r),</span> <span class="pre">boost::end(r)</span> <span class="pre">);</span></tt></li>
 467 </ul>
 468 </blockquote>
 469 </li>
 470 </ul>
 471 </div>
 472 <div class="section">
 473 <h2><a id="semantics-algorithms" name="semantics-algorithms"><span id="algorithms"></span>Semantics: algorithms</a></h2>
 474 <ul>
 475 <li><p class="first"><tt class="docutils literal"><span class="pre">iterator</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span class="pre">find(</span> <span class="pre">const</span> <span class="pre">Key&amp;</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
 476 </li>
 477 <li><p class="first"><tt class="docutils literal"><span class="pre">const_iterator</span> <span class="pre">find(</span> <span class="pre">const</span> <span class="pre">Key&amp;</span> <span class="pre">x</span> <span class="pre">)</span> <span class="pre">const;</span></tt></p>
 478 <blockquote>
 479 <ul class="simple">
 480 <li>Effects: Searches for the key and returns <tt class="docutils literal"><span class="pre">end()</span></tt> on failure.</li>
 481 <li>Complexity: Logarithmic</li>
 482 </ul>
 483 </blockquote>
 484 </li>
 485 <li><p class="first"><tt class="docutils literal"><span class="pre">size_type</span> <span class="pre">count(</span> <span class="pre">const</span> <span class="pre">Key&amp;</span> <span class="pre">x</span> <span class="pre">)</span> <span class="pre">const;</span></tt></p>
 486 <blockquote>
 487 <ul class="simple">
 488 <li>Effects: Counts the elements with a key equivalent to <tt class="docutils literal"><span class="pre">x</span></tt></li>
 489 <li>Complexity: Logarithmic</li>
 490 </ul>
 491 </blockquote>
 492 </li>
 493 <li><p class="first"><tt class="docutils literal"><span class="pre">iterator</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span class="pre">lower_bound(</span> <span class="pre">const</span> <span class="pre">Key&amp;</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
 494 </li>
 495 <li><p class="first"><tt class="docutils literal"><span class="pre">const_iterator</span> <span class="pre">lower_bound(</span> <span class="pre">const</span> <span class="pre">Key&amp;</span> <span class="pre">x</span> <span class="pre">)</span> <span class="pre">const;</span></tt></p>
 496 <blockquote>
 497 <ul class="simple">
 498 <li>Effects: Returns an iterator pointing to the first element with a key not less than <tt class="docutils literal"><span class="pre">x</span></tt></li>
 499 <li>Complexity: Logarithmic</li>
 500 </ul>
 501 </blockquote>
 502 </li>
 503 <li><p class="first"><tt class="docutils literal"><span class="pre">iterator</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span class="pre">upper_bound(</span> <span class="pre">const</span> <span class="pre">Key&amp;</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
 504 </li>
 505 <li><p class="first"><tt class="docutils literal"><span class="pre">const_iterator</span> <span class="pre">upper_bound(</span> <span class="pre">const</span> <span class="pre">Key&amp;</span> <span class="pre">x</span> <span class="pre">)</span> <span class="pre">const;</span></tt></p>
 506 <blockquote>
 507 <ul class="simple">
 508 <li>Effects: Returns an iterator pointing to the first element with a key greater than <tt class="docutils literal"><span class="pre">x</span></tt></li>
 509 <li>Complexity: Logarithmic</li>
 510 </ul>
 511 </blockquote>
 512 </li>
 513 <li><p class="first"><tt class="docutils literal"><span class="pre">iterator_range&lt;iterator&gt;</span>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <span class="pre">equal_range(</span> <span class="pre">const</span> <span class="pre">Key&amp;</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
 514 </li>
 515 <li><p class="first"><tt class="docutils literal"><span class="pre">iterator_range&lt;const_iterator&gt;</span> <span class="pre">equal_range(</span> <span class="pre">const</span> <span class="pre">Key&amp;</span> <span class="pre">x</span> <span class="pre">)</span> <span class="pre">const;</span></tt></p>
 516 <blockquote>
 517 <ul class="simple">
 518 <li>Effects: <tt class="docutils literal"><span class="pre">return</span> <span class="pre">boost::make_iterator_range(</span> <span class="pre">lower_bound(</span> <span class="pre">x</span> <span class="pre">),</span> <span class="pre">upper_bound(</span> <span class="pre">x</span> <span class="pre">)</span> <span class="pre">);</span></tt></li>
 519 <li>Complexity: Logarithmic</li>
 520 </ul>
 521 </blockquote>
 522 </li>
 523 </ul>
 524 <!-- - ``reference       at( const key_type& key );``
 525 - ``const_reference at( const key_type& key ) const;``
 526
 527 - Requirements: the key exists
 528
 529 - Effects: returns the object with key ``key``
 530
 531 - Throws: ``bad_ptr_container_operation`` if the key does not exist                                  -->
 532 <hr><table class="docutils field-list" frame="void" rules="none">
 533 <col class="field-name" />
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 536 <tr class="field"><th class="field-name">Copyright:</th><td class="field-body">Thorsten Ottosen 2004-2006. 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>
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