ceph/src/boost/libs/icl/doc/html/boost_icl/concepts/aspects.html

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  25 <div class="section boost_icl_concepts_aspects" lang="en">
  26 <div class="titlepage"><div><div><h3 class="title">
  27 <a name="boost_icl.concepts.aspects"></a><a class="link" href="aspects.html" title="Aspects">Aspects</a>
  28 </h3></div></div></div>
  29 <p>
  30         There are two major <span class="emphasis"><em><span class="bold"><strong>aspects</strong></span></em></span>
  31         or <span class="emphasis"><em><span class="bold"><strong>views</strong></span></em></span> of icl containers.
  32         The first and predominant aspect is called <span class="emphasis"><em><span class="bold"><strong>fundamental</strong></span></em></span>.
  33         The second and minor aspect is called <span class="emphasis"><em><span class="bold"><strong>segmental</strong></span></em></span>.
  34       </p>
  35 <div class="informaltable"><table class="table">
  36 <colgroup>
  37 <col>
  38 <col>
  39 <col>
  40 </colgroup>
  41 <thead><tr>
  42 <th>
  43               <p>
  44               </p>
  45               </th>
  46 <th>
  47               <p>
  48                 Fundamental
  49               </p>
  50               </th>
  51 <th>
  52               <p>
  53                 Segmental
  54               </p>
  55               </th>
  56 </tr></thead>
  57 <tbody>
  58 <tr>
  59 <td>
  60               <p>
  61                 Abstraction level
  62               </p>
  63               </td>
  64 <td>
  65               <p>
  66                 more abstract
  67               </p>
  68               </td>
  69 <td>
  70               <p>
  71                 less abstract
  72               </p>
  73               </td>
  74 </tr>
  75 <tr>
  76 <td>
  77               <p>
  78               </p>
  79               </td>
  80 <td>
  81               <p>
  82                 sequence of elements is irrelevant
  83               </p>
  84               </td>
  85 <td>
  86               <p>
  87                 sequence of elements is relevant
  88               </p>
  89               </td>
  90 </tr>
  91 <tr>
  92 <td>
  93               <p>
  94               </p>
  95               </td>
  96 <td>
  97               <p>
  98                 iterator independent
  99               </p>
 100               </td>
 101 <td>
 102               <p>
 103                 iterator dependent
 104               </p>
 105               </td>
 106 </tr>
 107 <tr>
 108 <td>
 109               <p>
 110                 Informs about
 111               </p>
 112               </td>
 113 <td>
 114               <p>
 115                 membership of elements
 116               </p>
 117               </td>
 118 <td>
 119               <p>
 120                 sequence of intervals (segmentation)
 121               </p>
 122               </td>
 123 </tr>
 124 <tr>
 125 <td>
 126               <p>
 127                 Equality
 128               </p>
 129               </td>
 130 <td>
 131               <p>
 132                 equality of elements
 133               </p>
 134               </td>
 135 <td>
 136               <p>
 137                 equality of segments
 138               </p>
 139               </td>
 140 </tr>
 141 <tr>
 142 <td>
 143               <p>
 144                 Practical
 145               </p>
 146               </td>
 147 <td>
 148               <p>
 149                 interval_sets(maps) can be used as sets(maps) of elements(element
 150                 value pairs)
 151               </p>
 152               </td>
 153 <td>
 154               <p>
 155                 Segmentation information is available. See e.g. <a class="link" href="../examples/time_grids.html" title="Time grids for months and weeks">Time
 156                 grids for months and weeks</a>
 157               </p>
 158               </td>
 159 </tr>
 160 </tbody>
 161 </table></div>
 162 <p>
 163         On the fundamental aspect
 164       </p>
 165 <div class="itemizedlist"><ul type="disc">
 166 <li>
 167           an <code class="computeroutput"><span class="identifier">interval</span></code> implements
 168           a set of elements partially.
 169         </li>
 170 <li>
 171           an <code class="computeroutput"><a class="link" href="../../boost/icl/interval_set.html" title="Class template interval_set">interval_set</a></code> implements
 172           a set of elements.
 173         </li>
 174 <li>
 175           an <code class="computeroutput"><a class="link" href="../../boost/icl/interval_map.html" title="Class template interval_map">interval_map</a></code> implements
 176           a map of element value pairs.
 177         </li>
 178 </ul></div>
 179 <p>
 180         On the segmental aspect
 181       </p>
 182 <div class="itemizedlist"><ul type="disc">
 183 <li>
 184           an <code class="computeroutput"><a class="link" href="../../boost/icl/interval_set.html" title="Class template interval_set">interval_set</a></code> implements
 185           a set of intervals.
 186         </li>
 187 <li>
 188           an <code class="computeroutput"><a class="link" href="../../boost/icl/interval_map.html" title="Class template interval_map">interval_map</a></code> implements
 189           a map of interval value pairs.
 190         </li>
 191 </ul></div>
 192 </div>
 193 <table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
 194 <td align="left"></td>
 195 <td align="right"><div class="copyright-footer">Copyright &#169; 2007 -2010 Joachim Faulhaber<br>Copyright &#169; 1999 -2006 Cortex Software GmbH<p>
 196         Distributed under the Boost Software License, Version 1.0. (See accompanying
 197         file LICENSE_1_0.txt or copy at <a href="http://www.boost.org/LICENSE_1_0.txt" target="_top">http://www.boost.org/LICENSE_1_0.txt</a>)
 198       </p>
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