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26<div class="titlepage"><div><div><h5 class="title">
27<a name="range.reference.algorithms.non_mutating.for_each"></a><a class="link" href="for_each.html" title="for_each">for_each</a>
28</h5></div></div></div>
29<h6>
30<a name="range.reference.algorithms.non_mutating.for_each.h0"></a>
31            <span class="phrase"><a name="range.reference.algorithms.non_mutating.for_each.prototype"></a></span><a class="link" href="for_each.html#range.reference.algorithms.non_mutating.for_each.prototype">Prototype</a>
32          </h6>
33<p>
34</p>
35<pre class="programlisting"><span class="keyword">template</span><span class="special">&lt;</span>
36    <span class="keyword">class</span> <span class="identifier">SinglePassRange</span><span class="special">,</span>
37    <span class="keyword">class</span> <span class="identifier">UnaryFunction</span>
38    <span class="special">&gt;</span>
39<span class="identifier">UnaryFunction</span> <span class="identifier">for_each</span><span class="special">(</span><span class="identifier">SinglePassRange</span><span class="special">&amp;</span> <span class="identifier">rng</span><span class="special">,</span> <span class="identifier">UnaryFunction</span> <span class="identifier">fun</span><span class="special">);</span>
40
41<span class="keyword">template</span><span class="special">&lt;</span>
42    <span class="keyword">class</span> <span class="identifier">SinglePassRange</span><span class="special">,</span>
43    <span class="keyword">class</span> <span class="identifier">UnaryFunction</span>
44    <span class="special">&gt;</span>
45<span class="identifier">UnaryFunction</span> <span class="identifier">for_each</span><span class="special">(</span><span class="keyword">const</span> <span class="identifier">SinglePassRange</span><span class="special">&amp;</span> <span class="identifier">rng</span><span class="special">,</span> <span class="identifier">UnaryFunction</span> <span class="identifier">fun</span><span class="special">);</span>
46</pre>
47<p>
48          </p>
49<h6>
50<a name="range.reference.algorithms.non_mutating.for_each.h1"></a>
51            <span class="phrase"><a name="range.reference.algorithms.non_mutating.for_each.description"></a></span><a class="link" href="for_each.html#range.reference.algorithms.non_mutating.for_each.description">Description</a>
52          </h6>
53<p>
54            <code class="computeroutput"><span class="identifier">for_each</span></code> traverses forward
55            through <code class="computeroutput"><span class="identifier">rng</span></code> and for each
56            element <code class="computeroutput"><span class="identifier">x</span></code> it invokes
57            <code class="computeroutput"><span class="identifier">fun</span><span class="special">(</span><span class="identifier">x</span><span class="special">)</span></code>.
58          </p>
59<h6>
60<a name="range.reference.algorithms.non_mutating.for_each.h2"></a>
61            <span class="phrase"><a name="range.reference.algorithms.non_mutating.for_each.definition"></a></span><a class="link" href="for_each.html#range.reference.algorithms.non_mutating.for_each.definition">Definition</a>
62          </h6>
63<p>
64            Defined in the header file <code class="computeroutput"><span class="identifier">boost</span><span class="special">/</span><span class="identifier">range</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">for_each</span><span class="special">.</span><span class="identifier">hpp</span></code>
65          </p>
66<h6>
67<a name="range.reference.algorithms.non_mutating.for_each.h3"></a>
68            <span class="phrase"><a name="range.reference.algorithms.non_mutating.for_each.requirements"></a></span><a class="link" href="for_each.html#range.reference.algorithms.non_mutating.for_each.requirements">Requirements</a>
69          </h6>
70<div class="itemizedlist"><ul class="itemizedlist" style="list-style-type: disc; ">
71<li class="listitem">
72                <code class="computeroutput"><span class="identifier">SinglePassRange</span></code> is
73                a model of the <a class="link" href="../../../concepts/single_pass_range.html" title="Single Pass Range">Single
74                Pass Range</a> Concept.
75              </li>
76<li class="listitem">
77                <code class="computeroutput"><span class="identifier">UnaryFunction</span></code> is
78                a model of the <code class="computeroutput"><span class="identifier">UnaryFunctionConcept</span></code>.
79              </li>
80<li class="listitem">
81                <code class="computeroutput"><span class="identifier">UnaryFunction</span></code> does
82                not apply any non-constant operation through its argument.
83              </li>
84<li class="listitem">
85                <code class="computeroutput"><span class="identifier">SinglePassRange</span></code>'s
86                value type is convertible to <code class="computeroutput"><span class="identifier">UnaryFunction</span></code>'s
87                argument type.
88              </li>
89</ul></div>
90<h6>
91<a name="range.reference.algorithms.non_mutating.for_each.h4"></a>
92            <span class="phrase"><a name="range.reference.algorithms.non_mutating.for_each.complexity"></a></span><a class="link" href="for_each.html#range.reference.algorithms.non_mutating.for_each.complexity">Complexity</a>
93          </h6>
94<p>
95            Linear. Exactly <code class="computeroutput"><span class="identifier">distance</span><span class="special">(</span><span class="identifier">rng</span><span class="special">)</span></code> applications of <code class="computeroutput"><span class="identifier">UnaryFunction</span></code>.
96          </p>
97</div>
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100<td align="right"><div class="copyright-footer">Copyright © 2003-2010 Thorsten Ottosen,
101      Neil Groves<p>
102        Distributed under the Boost Software License, Version 1.0. (See accompanying
103        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>)
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