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

   1 <?xml version="1.0" encoding="utf-8" ?>
   2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
   3 <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">
   4 <head>
   5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
   6 <meta name="generator" content="Docutils 0.3.10: http://docutils.sourceforge.net/" />
   7 <title>Boost Pointer Container Library</title>
   8 <style type="text/css">
   9
  10 /*
  11 :Author: David Goodger
  12 :Contact: goodger@users.sourceforge.net
  13 :Date: $Date$
  14 :Revision: $Revision$
  15 :Copyright: This stylesheet has been placed in the public domain.
  16
  17 Default cascading style sheet for the HTML output of Docutils.
  18
  19 See http://docutils.sf.net/docs/howto/html-stylesheets.html for how to
  20 customize this style sheet.
  21 */
  22
  23 /* "! important" is used here to override other ``margin-top`` and
  24    ``margin-bottom`` styles that are later in the stylesheet or
  25    more specific.  See http://www.w3.org/TR/CSS1#the-cascade */
  26 .first {
  27   margin-top: 0 ! important }
  28
  29 .last, .with-subtitle {
  30   margin-bottom: 0 ! important }
  31
  32 .hidden {
  33   display: none }
  34
  35 a.toc-backref {
  36   text-decoration: none ;
  37   color: black }
  38
  39 blockquote.epigraph {
  40   margin: 2em 5em ; }
  41
  42 dl.docutils dd {
  43   margin-bottom: 0.5em }
  44
  45 /* Uncomment (and remove this text!) to get bold-faced definition list terms
  46 dl.docutils dt {
  47   font-weight: bold }
  48 */
  49
  50 div.abstract {
  51   margin: 2em 5em }
  52
  53 div.abstract p.topic-title {
  54   font-weight: bold ;
  55   text-align: center }
  56
  57 div.admonition, div.attention, div.caution, div.danger, div.error,
  58 div.hint, div.important, div.note, div.tip, div.warning {
  59   margin: 2em ;
  60   border: medium outset ;
  61   padding: 1em }
  62
  63 div.admonition p.admonition-title, div.hint p.admonition-title,
  64 div.important p.admonition-title, div.note p.admonition-title,
  65 div.tip p.admonition-title {
  66   font-weight: bold ;
  67   font-family: sans-serif }
  68
  69 div.attention p.admonition-title, div.caution p.admonition-title,
  70 div.danger p.admonition-title, div.error p.admonition-title,
  71 div.warning p.admonition-title {
  72   color: red ;
  73   font-weight: bold ;
  74   font-family: sans-serif }
  75
  76 /* Uncomment (and remove this text!) to get reduced vertical space in
  77    compound paragraphs.
  78 div.compound .compound-first, div.compound .compound-middle {
  79   margin-bottom: 0.5em }
  80
  81 div.compound .compound-last, div.compound .compound-middle {
  82   margin-top: 0.5em }
  83 */
  84
  85 div.dedication {
  86   margin: 2em 5em ;
  87   text-align: center ;
  88   font-style: italic }
  89
  90 div.dedication p.topic-title {
  91   font-weight: bold ;
  92   font-style: normal }
  93
  94 div.figure {
  95   margin-left: 2em }
  96
  97 div.footer, div.header {
  98   clear: both;
  99   font-size: smaller }
 100
 101 div.line-block {
 102   display: block ;
 103   margin-top: 1em ;
 104   margin-bottom: 1em }
 105
 106 div.line-block div.line-block {
 107   margin-top: 0 ;
 108   margin-bottom: 0 ;
 109   margin-left: 1.5em }
 110
 111 div.sidebar {
 112   margin-left: 1em ;
 113   border: medium outset ;
 114   padding: 1em ;
 115   background-color: #ffffee ;
 116   width: 40% ;
 117   float: right ;
 118   clear: right }
 119
 120 div.sidebar p.rubric {
 121   font-family: sans-serif ;
 122   font-size: medium }
 123
 124 div.system-messages {
 125   margin: 5em }
 126
 127 div.system-messages h1 {
 128   color: red }
 129
 130 div.system-message {
 131   border: medium outset ;
 132   padding: 1em }
 133
 134 div.system-message p.system-message-title {
 135   color: red ;
 136   font-weight: bold }
 137
 138 div.topic {
 139   margin: 2em }
 140
 141 h1.section-subtitle, h2.section-subtitle, h3.section-subtitle,
 142 h4.section-subtitle, h5.section-subtitle, h6.section-subtitle {
 143   margin-top: 0.4em }
 144
 145 h1.title {
 146   text-align: center }
 147
 148 h2.subtitle {
 149   text-align: center }
 150
 151 hr.docutils {
 152   width: 75% }
 153
 154 img.align-left {
 155   clear: left }
 156
 157 img.align-right {
 158   clear: right }
 159
 160 img.borderless {
 161   border: 0 }
 162
 163 ol.simple, ul.simple {
 164   margin-bottom: 1em }
 165
 166 ol.arabic {
 167   list-style: decimal }
 168
 169 ol.loweralpha {
 170   list-style: lower-alpha }
 171
 172 ol.upperalpha {
 173   list-style: upper-alpha }
 174
 175 ol.lowerroman {
 176   list-style: lower-roman }
 177
 178 ol.upperroman {
 179   list-style: upper-roman }
 180
 181 p.attribution {
 182   text-align: right ;
 183   margin-left: 50% }
 184
 185 p.caption {
 186   font-style: italic }
 187
 188 p.credits {
 189   font-style: italic ;
 190   font-size: smaller }
 191
 192 p.label {
 193   white-space: nowrap }
 194
 195 p.rubric {
 196   font-weight: bold ;
 197   font-size: larger ;
 198   color: maroon ;
 199   text-align: center }
 200
 201 p.sidebar-title {
 202   font-family: sans-serif ;
 203   font-weight: bold ;
 204   font-size: larger }
 205
 206 p.sidebar-subtitle {
 207   font-family: sans-serif ;
 208   font-weight: bold }
 209
 210 p.topic-title {
 211   font-weight: bold }
 212
 213 pre.address {
 214   margin-bottom: 0 ;
 215   margin-top: 0 ;
 216   font-family: serif ;
 217   font-size: 100% }
 218
 219 pre.line-block {
 220   font-family: serif ;
 221   font-size: 100% }
 222
 223 pre.literal-block, pre.doctest-block {
 224   margin-left: 2em ;
 225   margin-right: 2em ;
 226   background-color: #eeeeee }
 227
 228 span.classifier {
 229   font-family: sans-serif ;
 230   font-style: oblique }
 231
 232 span.classifier-delimiter {
 233   font-family: sans-serif ;
 234   font-weight: bold }
 235
 236 span.interpreted {
 237   font-family: sans-serif }
 238
 239 span.option {
 240   white-space: nowrap }
 241
 242 span.pre {
 243   white-space: pre }
 244
 245 span.problematic {
 246   color: red }
 247
 248 span.section-subtitle {
 249   /* font-size relative to parent (h1..h6 element) */
 250   font-size: 80% }
 251
 252 table.citation {
 253   border-left: solid thin gray }
 254
 255 table.docinfo {
 256   margin: 2em 4em }
 257
 258 table.docutils {
 259   margin-top: 0.5em ;
 260   margin-bottom: 0.5em }
 261
 262 table.footnote {
 263   border-left: solid thin black }
 264
 265 table.docutils td, table.docutils th,
 266 table.docinfo td, table.docinfo th {
 267   padding-left: 0.5em ;
 268   padding-right: 0.5em ;
 269   vertical-align: top }
 270
 271 table.docutils th.field-name, table.docinfo th.docinfo-name {
 272   font-weight: bold ;
 273   text-align: left ;
 274   white-space: nowrap ;
 275   padding-left: 0 }
 276
 277 h1 tt.docutils, h2 tt.docutils, h3 tt.docutils,
 278 h4 tt.docutils, h5 tt.docutils, h6 tt.docutils {
 279   font-size: 100% }
 280
 281 tt.docutils {
 282   background-color: #eeeeee }
 283
 284 ul.auto-toc {
 285   list-style-type: none }
 286
 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-ptr-deque" name="class-ptr-deque">Class <tt class="docutils literal"><span class="pre">ptr_deque</span></tt></a></h1>
 294 <p>A <tt class="docutils literal"><span class="pre">ptr_deque&lt;T&gt;</span></tt> is a pointer container that uses an underlying <tt class="docutils literal"><span class="pre">std:deque&lt;void*&gt;</span></tt>
 295 to store the pointers.</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><a class="reference" href="ptr_sequence_adapter.html">ptr_sequence_adapter</a><ul>
 300 <li><a class="reference" href="ptr_vector.html">ptr_vector</a></li>
 301 <li><a class="reference" href="ptr_list.html">ptr_list</a></li>
 302 <li><tt class="docutils literal"><span class="pre">ptr_deque</span></tt></li>
 303 <li><a class="reference" href="ptr_array.html">ptr_array</a></li>
 304 </ul>
 305 </li>
 306 </ul>
 307 </li>
 308 </ul>
 309 <p><strong>Navigate:</strong></p>
 310 <ul class="simple">
 311 <li><a class="reference" href="ptr_container.html">home</a></li>
 312 <li><a class="reference" href="reference.html">reference</a></li>
 313 </ul>
 314 <p><strong>Synopsis:</strong></p>
 315 <pre class="literal-block">
 316 namespace boost
 317 {
 318
 319     template
 320     &lt;
 321         class T,
 322         class CloneAllocator = heap_clone_allocator
 323         class Allocator      = std::allocator&lt;void*&gt;
 324     &gt;
 325     class ptr_deque : public ptr_sequence_adapter
 326                              &lt;
 327                                 T,
 328                                 std::deque&lt;void*,Allocator&gt;,
 329                                 CloneAllocator
 330                              &gt;
 331     {
 332
 333     public: // <a class="reference" href="#element-access">element access</a>
 334         T&amp;        operator[]( size_type n );
 335         const T&amp;  operator[]( size_type n ) const;
 336         T&amp;        at( size_type n );
 337         const T&amp;  at( size_type n ) const;
 338
 339     public: // <a class="reference" href="#modifiers">modifiers</a>
 340         void      push_front( T* x );
 341         template&lt; class U &gt;
 342         void      push_front( std::auto_ptr&lt;U&gt; x );
 343         auto_type pop_front();
 344
 345     public: // <a class="reference" href="#pointer-container-requirements">pointer container requirements</a>
 346        auto_type replace( size_type idx, T* x );
 347        template&lt; class U &gt;
 348        auto_type replace( size_type idx, std::auto_ptr&lt;U&gt; x );
 349        bool      is_null( size_type idx ) const;
 350
 351     };
 352
 353 } // namespace 'boost'
 354 </pre>
 355 </div>
 356 <div class="section">
 357 <h1><a id="semantics" name="semantics">Semantics</a></h1>
 358 <div class="section">
 359 <h2><a id="semantics-modifiers" name="semantics-modifiers"><span id="modifiers"></span>Semantics: modifiers</a></h2>
 360 <ul>
 361 <li><p class="first"><tt class="docutils literal"><span class="pre">void</span> <span class="pre">push_front(</span> <span class="pre">T*</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
 362 <blockquote>
 363 <ul class="simple">
 364 <li>Requirements: <tt class="docutils literal"><span class="pre">x</span> <span class="pre">!=</span> <span class="pre">0</span></tt></li>
 365 <li>Effects: Inserts the pointer into container and takes ownership of it</li>
 366 <li>Throws: <tt class="docutils literal"><span class="pre">bad_pointer</span></tt> if <tt class="docutils literal"><span class="pre">x</span> <span class="pre">==</span> <span class="pre">0</span></tt></li>
 367 <li>Exception safety: Strong guarantee</li>
 368 </ul>
 369 </blockquote>
 370 </li>
 371 <li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">U</span> <span class="pre">&gt;</span> <span class="pre">void</span> <span class="pre">push_front(</span> <span class="pre">std::auto_ptr&lt;U&gt;</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
 372 <blockquote>
 373 <ul class="simple">
 374 <li>Effects: <tt class="docutils literal"><span class="pre">push_front(</span> <span class="pre">x.release()</span> <span class="pre">);</span></tt></li>
 375 </ul>
 376 </blockquote>
 377 </li>
 378 </ul>
 379 <!-- - ``void push_front( const T& x );``
 380
 381 - Effects: push_front( allocate_clone( x ) );
 382
 383 - Exception safety: Strong guarantee -->
 384 <ul>
 385 <li><p class="first"><tt class="docutils literal"><span class="pre">auto_type</span> <span class="pre">pop_front():</span></tt></p>
 386 <blockquote>
 387 <ul class="simple">
 388 <li>Requirements:<tt class="docutils literal"><span class="pre">not</span> <span class="pre">empty()</span></tt></li>
 389 <li>Effects: Removes the first element in the container</li>
 390 <li>Postconditions: <tt class="docutils literal"><span class="pre">size()</span></tt> is one less</li>
 391 <li>Throws: <tt class="docutils literal"><span class="pre">bad_ptr_container_operation</span></tt> if <tt class="docutils literal"><span class="pre">empty()</span> <span class="pre">==</span> <span class="pre">true</span></tt></li>
 392 <li>Exception safety: Strong guarantee</li>
 393 </ul>
 394 </blockquote>
 395 </li>
 396 </ul>
 397 </div>
 398 <div class="section">
 399 <h2><a id="semantics-element-access" name="semantics-element-access"><span id="element-access"></span>Semantics: element access</a></h2>
 400 <ul>
 401 <li><p class="first"><tt class="docutils literal"><span class="pre">T&amp;</span> <span class="pre">operator[](</span> <span class="pre">size_type</span> <span class="pre">n</span> <span class="pre">);</span></tt></p>
 402 </li>
 403 <li><p class="first"><tt class="docutils literal"><span class="pre">const</span> <span class="pre">T&amp;</span> <span class="pre">operator[](</span> <span class="pre">size_type</span> <span class="pre">n</span> <span class="pre">)</span> <span class="pre">const;</span></tt></p>
 404 <blockquote>
 405 <ul class="simple">
 406 <li>Requirements: <tt class="docutils literal"><span class="pre">n</span> <span class="pre">&lt;</span> <span class="pre">size()</span></tt></li>
 407 <li>Effects: Returns a reference to the <tt class="docutils literal"><span class="pre">n</span></tt>'th element</li>
 408 <li>Throws: Nothing</li>
 409 </ul>
 410 </blockquote>
 411 </li>
 412 <li><p class="first"><tt class="docutils literal"><span class="pre">T&amp;</span> <span class="pre">at(</span> <span class="pre">size_type</span> <span class="pre">n</span> <span class="pre">);</span></tt></p>
 413 </li>
 414 <li><p class="first"><tt class="docutils literal"><span class="pre">const</span> <span class="pre">T&amp;</span> <span class="pre">at(</span> <span class="pre">size_type</span> <span class="pre">n</span> <span class="pre">)</span> <span class="pre">const;</span></tt></p>
 415 <blockquote>
 416 <ul class="simple">
 417 <li>Requirements: <tt class="docutils literal"><span class="pre">n</span> <span class="pre">&lt;</span> <span class="pre">size()</span></tt></li>
 418 <li>Effects: Returns a reference to the <tt class="docutils literal"><span class="pre">n</span></tt>'th element</li>
 419 <li>Throws: <tt class="docutils literal"><span class="pre">bad_index</span></tt> if <tt class="docutils literal"><span class="pre">n</span> <span class="pre">&gt;=size()</span></tt></li>
 420 </ul>
 421 </blockquote>
 422 </li>
 423 </ul>
 424 </div>
 425 <div class="section">
 426 <h2><a id="semantics-pointer-container-requirements" name="semantics-pointer-container-requirements"><span id="pointer-container-requirements"></span>Semantics: pointer container requirements</a></h2>
 427 <ul>
 428 <li><p class="first"><tt class="docutils literal"><span class="pre">auto_type</span> <span class="pre">replace(</span> <span class="pre">size_type</span> <span class="pre">idx,</span> <span class="pre">T*</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
 429 <blockquote>
 430 <ul class="simple">
 431 <li>Requirements: `` x != 0 and idx &lt; size()``</li>
 432 <li>Effects: returns the object indexed by <tt class="docutils literal"><span class="pre">idx</span></tt> and replaces it with <tt class="docutils literal"><span class="pre">x</span></tt>.</li>
 433 <li>Throws: <tt class="docutils literal"><span class="pre">bad_index</span></tt> if <tt class="docutils literal"><span class="pre">idx</span> <span class="pre">&gt;=</span> <span class="pre">size()</span></tt> and <tt class="docutils literal"><span class="pre">bad_pointer</span></tt> if <tt class="docutils literal"><span class="pre">x</span> <span class="pre">==</span> <span class="pre">0</span></tt>.</li>
 434 <li>Exception safety: Strong guarantee</li>
 435 </ul>
 436 </blockquote>
 437 </li>
 438 <li><p class="first"><tt class="docutils literal"><span class="pre">template&lt;</span> <span class="pre">class</span> <span class="pre">U</span> <span class="pre">&gt;</span> <span class="pre">auto_type</span> <span class="pre">replace(</span> <span class="pre">size_type</span> <span class="pre">idx,</span> <span class="pre">std::auto_ptr&lt;U&gt;</span> <span class="pre">x</span> <span class="pre">);</span></tt></p>
 439 <blockquote>
 440 <ul class="simple">
 441 <li>Effects: <tt class="docutils literal"><span class="pre">return</span> <span class="pre">replace(</span> <span class="pre">idx,</span> <span class="pre">x.release()</span> <span class="pre">);</span></tt></li>
 442 </ul>
 443 </blockquote>
 444 </li>
 445 <li><p class="first"><tt class="docutils literal"><span class="pre">bool</span> <span class="pre">is_null(</span> <span class="pre">size_type</span> <span class="pre">idx</span> <span class="pre">)</span> <span class="pre">const;</span></tt></p>
 446 <blockquote>
 447 <ul class="simple">
 448 <li>Requirements: <tt class="docutils literal"><span class="pre">idx</span> <span class="pre">&lt;</span> <span class="pre">size()</span></tt></li>
 449 <li>Effects: returns whether the pointer at index <tt class="docutils literal"><span class="pre">idx</span></tt> is null</li>
 450 <li>Exception safety: Nothrow guarantee</li>
 451 </ul>
 452 </blockquote>
 453 </li>
 454 </ul>
 455 <hr><table class="docutils field-list" frame="void" rules="none">
 456 <col class="field-name" />
 457 <col class="field-body" />
 458 <tbody valign="top">
 459 <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>
 460 </tr>
 461 </tbody>
 462 </table>
 463 </div>
 464 </div>
 465 </div>
 466 </body>
 467 </html>