1<html> 2<head> 3<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> 4<title>Aspects</title> 5<link rel="stylesheet" href="../../../../../../doc/src/boostbook.css" type="text/css"> 6<meta name="generator" content="DocBook XSL Stylesheets V1.79.1"> 7<link rel="home" href="../../index.html" title="Chapter 1. Boost.Icl"> 8<link rel="up" href="../concepts.html" title="Concepts"> 9<link rel="prev" href="../concepts.html" title="Concepts"> 10<link rel="next" href="sets_and_maps.html" title="Sets and Maps"> 11</head> 12<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> 13<table cellpadding="2" width="100%"><tr> 14<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../boost.png"></td> 15<td align="center"><a href="../../../../../../index.html">Home</a></td> 16<td align="center"><a href="../../../../../libraries.htm">Libraries</a></td> 17<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td> 18<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td> 19<td align="center"><a href="../../../../../../more/index.htm">More</a></td> 20</tr></table> 21<hr> 22<div class="spirit-nav"> 23<a accesskey="p" href="../concepts.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../concepts.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="sets_and_maps.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 24</div> 25<div class="section"> 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 </th> 44<th> 45 <p> 46 Fundamental 47 </p> 48 </th> 49<th> 50 <p> 51 Segmental 52 </p> 53 </th> 54</tr></thead> 55<tbody> 56<tr> 57<td> 58 <p> 59 Abstraction level 60 </p> 61 </td> 62<td> 63 <p> 64 more abstract 65 </p> 66 </td> 67<td> 68 <p> 69 less abstract 70 </p> 71 </td> 72</tr> 73<tr> 74<td> 75 </td> 76<td> 77 <p> 78 sequence of elements is irrelevant 79 </p> 80 </td> 81<td> 82 <p> 83 sequence of elements is relevant 84 </p> 85 </td> 86</tr> 87<tr> 88<td> 89 </td> 90<td> 91 <p> 92 iterator independent 93 </p> 94 </td> 95<td> 96 <p> 97 iterator dependent 98 </p> 99 </td> 100</tr> 101<tr> 102<td> 103 <p> 104 Informs about 105 </p> 106 </td> 107<td> 108 <p> 109 membership of elements 110 </p> 111 </td> 112<td> 113 <p> 114 sequence of intervals (segmentation) 115 </p> 116 </td> 117</tr> 118<tr> 119<td> 120 <p> 121 Equality 122 </p> 123 </td> 124<td> 125 <p> 126 equality of elements 127 </p> 128 </td> 129<td> 130 <p> 131 equality of segments 132 </p> 133 </td> 134</tr> 135<tr> 136<td> 137 <p> 138 Practical 139 </p> 140 </td> 141<td> 142 <p> 143 interval_sets(maps) can be used as sets(maps) of elements(element 144 value pairs) 145 </p> 146 </td> 147<td> 148 <p> 149 Segmentation information is available. See e.g. <a class="link" href="../examples/time_grids.html" title="Time grids for months and weeks">Time 150 grids for months and weeks</a> 151 </p> 152 </td> 153</tr> 154</tbody> 155</table></div> 156<p> 157 On the fundamental aspect 158 </p> 159<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 160<li class="listitem"> 161 an <code class="computeroutput"><span class="identifier">interval</span></code> implements 162 a set of elements partially. 163 </li> 164<li class="listitem"> 165 an <code class="computeroutput"><a class="link" href="../../boost/icl/interval_set.html" title="Class template interval_set">interval_set</a></code> 166 implements a set of elements. 167 </li> 168<li class="listitem"> 169 an <code class="computeroutput"><a class="link" href="../../boost/icl/interval_map.html" title="Class template interval_map">interval_map</a></code> 170 implements a map of element value pairs. 171 </li> 172</ul></div> 173<p> 174 On the segmental aspect 175 </p> 176<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; "> 177<li class="listitem"> 178 an <code class="computeroutput"><a class="link" href="../../boost/icl/interval_set.html" title="Class template interval_set">interval_set</a></code> 179 implements a set of intervals. 180 </li> 181<li class="listitem"> 182 an <code class="computeroutput"><a class="link" href="../../boost/icl/interval_map.html" title="Class template interval_map">interval_map</a></code> 183 implements a map of interval value pairs. 184 </li> 185</ul></div> 186</div> 187<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr> 188<td align="left"></td> 189<td align="right"><div class="copyright-footer">Copyright © 2007-2010 Joachim 190 Faulhaber<br>Copyright © 1999-2006 Cortex Software 191 GmbH<p> 192 Distributed under the Boost Software License, Version 1.0. (See accompanying 193 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>) 194 </p> 195</div></td> 196</tr></table> 197<hr> 198<div class="spirit-nav"> 199<a accesskey="p" href="../concepts.html"><img src="../../../../../../doc/src/images/prev.png" alt="Prev"></a><a accesskey="u" href="../concepts.html"><img src="../../../../../../doc/src/images/up.png" alt="Up"></a><a accesskey="h" href="../../index.html"><img src="../../../../../../doc/src/images/home.png" alt="Home"></a><a accesskey="n" href="sets_and_maps.html"><img src="../../../../../../doc/src/images/next.png" alt="Next"></a> 200</div> 201</body> 202</html> 203