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14<div class="section" id="iterator-range">
15<h1><a class="toc-backref" href="./views.html#id347" name="iterator-range">iterator_range</a></h1>
16<div class="section" id="iterator-synopsis">
17<h3><a class="subsection-title" href="#synopsis" name="synopsis">Synopsis</a></h3>
18<pre class="literal-block">
19template&lt;
20      typename First
21    , typename Last
22    &gt;
23struct <a href="./iterator-range.html" class="identifier">iterator_range</a>
24{
25    // <em>unspecified</em>
26    // <em>...</em>
27};
28</pre>
29</div>
30<div class="section" id="iterator-description">
31<h3><a class="subsection-title" href="#description" name="description">Description</a></h3>
32<p>A view into subset of sequence elements identified by a pair of iterators.</p>
33</div>
34<div class="section" id="iterator-header">
35<h3><a class="subsection-title" href="#header" name="header">Header</a></h3>
36<pre class="literal-block">
37#include &lt;<a href="../../../../boost/mpl/fold.hpp" class="header">boost/mpl/fold.hpp</a>&gt;
38</pre>
39</div>
40<div class="section" id="iterator-model-of">
41<h3><a class="subsection-title" href="#model-of" name="model-of">Model of</a></h3>
42<ul class="simple">
43<li><a class="reference" href="./forward-sequence.html">Forward</a>, <a class="reference" href="./bidirectional-sequence.html">Bidirectional</a>, or <a class="reference" href="./random-access-sequence.html">Random Access Sequence</a>, depending on the category
44of the underlaying iterators.</li>
45</ul>
46</div>
47<div class="section" id="iterator-parameters">
48<h3><a class="subsection-title" href="#parameters" name="parameters">Parameters</a></h3>
49<table border="1" class="table">
50<colgroup>
51<col width="15%" />
52<col width="36%" />
53<col width="48%" />
54</colgroup>
55<thead valign="bottom">
56<tr><th>Parameter</th>
57<th>Requirement</th>
58<th>Description</th>
59</tr>
60</thead>
61<tbody valign="top">
62<tr><td><tt class="literal"><span class="pre">First</span></tt>,
63<tt class="literal"><span class="pre">Last</span></tt></td>
64<td><a class="reference" href="./forward-iterator.html">Forward Iterator</a></td>
65<td>Iterators identifying the view's boundaries.</td>
66</tr>
67</tbody>
68</table>
69</div>
70<div class="section" id="iterator-expression-semantics">
71<h3><a class="subsection-title" href="#expression-semantics" name="expression-semantics">Expression semantics</a></h3>
72<p>The semantics of an expression are defined only
73where they differ from, or are not defined in <a class="reference" href="./forward-sequence.html">Forward Sequence</a>.</p>
74<p>In the following table, <tt class="literal"><span class="pre">v</span></tt> is an instance of <tt class="literal"><span class="pre"><a href="./iterator-range.html" class="identifier">iterator_range</a></span></tt>, <tt class="literal"><span class="pre">first</span></tt> and <tt class="literal"><span class="pre">last</span></tt> are
75iterators into a <a class="reference" href="./forward-sequence.html">Forward Sequence</a>, and [<tt class="literal"><span class="pre">first</span></tt>, <tt class="literal"><span class="pre">last</span></tt>) form a valid range.</p>
76<table border="1" class="table">
77<colgroup>
78<col width="44%" />
79<col width="56%" />
80</colgroup>
81<thead valign="bottom">
82<tr><th>Expression</th>
83<th>Semantics</th>
84</tr>
85</thead>
86<tbody valign="top">
87<tr><td><pre class="first last literal-block">
88<a href="./iterator-range.html" class="identifier">iterator_range</a>&lt;first,last&gt;
89<a href="./iterator-range.html" class="identifier">iterator_range</a>&lt;first,last&gt;::type
90</pre>
91</td>
92<td>A lazy sequence all the elements in the range
93[<tt class="literal"><span class="pre">first</span></tt>, <tt class="literal"><span class="pre">last</span></tt>).</td>
94</tr>
95</tbody>
96</table>
97</div>
98<div class="section" id="iterator-example">
99<h3><a class="subsection-title" href="#example" name="example">Example</a></h3>
100<pre class="literal-block">
101typedef <a href="./range-c.html" class="identifier">range_c</a>&lt;int,0,100&gt; r;
102typedef advance_c&lt; <a href="./begin.html" class="identifier">begin</a>&lt;r&gt;::type,10 &gt;::type first;
103typedef advance_c&lt; <a href="./end.html" class="identifier">end</a>&lt;r&gt;::type,-10 &gt;::type last;
104
105<a href="./assert.html" class="identifier">BOOST_MPL_ASSERT</a>(( <a href="./equal.html" class="identifier">equal</a>&lt; 
106      <a href="./iterator-range.html" class="identifier">iterator_range</a>&lt;first,last&gt;
107    , <a href="./range-c.html" class="identifier">range_c</a>&lt;int,10,90&gt;
108    > ));
109</pre>
110</div>
111<div class="section" id="iterator-see-also">
112<h3><a class="subsection-title" href="#see-also" name="see-also">See also</a></h3>
113<p><a class="reference" href="./sequences.html">Sequences</a>, <a class="reference" href="./views.html">Views</a>, <a class="refentry reference" href="./filter-view.html"><tt class="refentry literal"><span class="pre">filter_view</span></tt></a>, <a class="refentry reference" href="./transform-view.html"><tt class="refentry literal"><span class="pre">transform_view</span></tt></a>, <a class="refentry reference" href="./joint-view.html"><tt class="refentry literal"><span class="pre">joint_view</span></tt></a>, <a class="refentry reference" href="./zip-view.html"><tt class="refentry literal"><span class="pre">zip_view</span></tt></a>, <a class="refentry reference" href="./max-element.html"><tt class="refentry literal"><span class="pre">max_element</span></tt></a></p>
114<!-- modtime: November 10, 2004 04:39:09 +0000 -->
115<!-- Sequences/Views//joint_view -->
116</div>
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