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[SVN r63561]
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doc/html/fusion/algorithm/iteration/functions/iter_fold.html
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doc/html/fusion/algorithm/iteration/functions/iter_fold.html
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
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<title>iter_fold</title>
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<link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css">
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
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<link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.0">
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<link rel="up" href="../functions.html" title="Functions">
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<link rel="prev" href="reverse_fold.html" title="reverse_fold">
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<link rel="next" href="reverse_iter_fold.html" title="reverse_iter_fold">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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<table cellpadding="2" width="100%"><tr>
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<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td>
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<td align="center"><a href="../../../../../../../../index.html">Home</a></td>
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<td align="center"><a href="../../../../../../../libraries.htm">Libraries</a></td>
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<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
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<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
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<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td>
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<a accesskey="p" href="reverse_fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="reverse_iter_fold.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
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</div>
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<div class="section">
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<div class="titlepage"><div><div><h5 class="title">
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<a name="fusion.algorithm.iteration.functions.iter_fold"></a><a class="link" href="iter_fold.html" title="iter_fold">iter_fold</a>
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</h5></div></div></div>
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<p>
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<a name="fusion.algorithm.iteration.functions.iter_fold.description"></a>
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</p>
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<h6>
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<a name="id1005178"></a>
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<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.description">Description</a>
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</h6>
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<p>
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</p>
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<p>
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For a sequence <code class="computeroutput"><span class="identifier">seq</span></code>,
|
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initial state <code class="computeroutput"><span class="identifier">initial_state</span></code>,
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and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
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<code class="literal">iter_fold</code> returns the result of the repeated application
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of binary <code class="computeroutput"><span class="identifier">f</span></code> to the
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result of the previous <code class="computeroutput"><span class="identifier">f</span></code>
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invocation (<code class="computeroutput"><span class="identifier">inital_state</span></code>
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if it is the first call) and iterators on each element of <code class="computeroutput"><span class="identifier">seq</span></code>.
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</p>
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<p>
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<a name="fusion.algorithm.iteration.functions.iter_fold.synopsis"></a>
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</p>
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<h6>
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<a name="id1005253"></a>
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<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.synopsis">Synopsis</a>
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</h6>
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<p>
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</p>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">F</span>
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<span class="special">></span>
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<span class="keyword">typename</span> <a class="link" href="../metafunctions/iter_fold.html" title="iter_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">iter_fold</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span> iter_fold<span class="special">(</span>
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<span class="identifier">Sequence</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
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<span class="keyword">template</span><span class="special"><</span>
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<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
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<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
|
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<span class="keyword">typename</span> <span class="identifier">F</span>
|
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<span class="special">></span>
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<span class="keyword">typename</span> <a class="link" href="../metafunctions/iter_fold.html" title="iter_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">iter_fold</span></code></a><span class="special"><</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span> iter_fold<span class="special">(</span>
|
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<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
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</pre>
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<p>
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</p>
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<div class="table">
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<a name="id1005602"></a><p class="title"><b>Table 1.39. Parameters</b></p>
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<div class="table-contents"><table class="table" summary="Parameters">
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<colgroup>
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<col>
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<col>
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<col>
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</colgroup>
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<thead><tr>
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<th>
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<p>
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Parameter
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</p>
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</th>
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<th>
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<p>
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Requirement
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</p>
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</th>
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<th>
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<p>
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Description
|
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</p>
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</th>
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</tr></thead>
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<tbody>
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<tr>
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<td>
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<p>
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<code class="computeroutput"><span class="identifier">seq</span></code>
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</p>
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</td>
|
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<td>
|
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<p>
|
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A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
|
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Sequence</a>
|
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</p>
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</td>
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<td>
|
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<p>
|
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Operation's argument
|
||||
</p>
|
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</td>
|
||||
</tr>
|
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<tr>
|
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<td>
|
||||
<p>
|
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<code class="computeroutput"><span class="identifier">initial_state</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Any type
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Initial state
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">f</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>it<span class="special">)</span></code> with return type <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special"><</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>It<span class="special">)>::</span><span class="identifier">type</span></code> must be a valid expression
|
||||
for current state <code class="computeroutput"><span class="identifier">s</span></code>
|
||||
of type <code class="computeroutput"><span class="identifier">S</span></code>,
|
||||
and for each iterator <code class="computeroutput"><span class="identifier">it</span></code>
|
||||
of type <code class="computeroutput"><span class="identifier">It</span></code>
|
||||
on an element of <code class="computeroutput"><span class="identifier">seq</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Operation's argument
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table></div>
|
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</div>
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<p><br class="table-break">
|
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<a name="fusion.algorithm.iteration.functions.iter_fold.expression_semantics"></a>
|
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</p>
|
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<h6>
|
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<a name="id1005864"></a>
|
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<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.expression_semantics">Expression
|
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Semantics</a>
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</h6>
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<p>
|
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|
||||
</p>
|
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<pre class="programlisting">iter_fold<span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
|
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</pre>
|
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<p>
|
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</p>
|
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<p>
|
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<span class="bold"><strong>Return type</strong></span>: Any type
|
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</p>
|
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<p>
|
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</p>
|
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<p>
|
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<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="literal">f(...
|
||||
f(f(initial_state,it1),it2) ...itN)</code> where <code class="literal">it1 ...itN</code>
|
||||
are consecutive iterators on the elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
|
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</p>
|
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<p>
|
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<a name="fusion.algorithm.iteration.functions.iter_fold.complexity"></a>
|
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</p>
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<h6>
|
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<a name="id1005948"></a>
|
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<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.complexity">Complexity</a>
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</h6>
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<p>
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</p>
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<p>
|
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Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">f</span></code>.
|
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</p>
|
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<p>
|
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<a name="fusion.algorithm.iteration.functions.iter_fold.header"></a>
|
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</p>
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<h6>
|
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<a name="id1006008"></a>
|
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<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.header">Header</a>
|
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</h6>
|
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<p>
|
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|
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</p>
|
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<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
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<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
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</pre>
|
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<p>
|
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<a name="fusion.algorithm.iteration.functions.iter_fold.example"></a>
|
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</p>
|
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<h6>
|
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<a name="id1007211"></a>
|
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<a class="link" href="iter_fold.html#fusion.algorithm.iteration.functions.iter_fold.example">Example</a>
|
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</h6>
|
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<p>
|
||||
|
||||
</p>
|
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<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
|
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<span class="special">{</span>
|
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<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">result_type</span><span class="special">;</span>
|
||||
|
||||
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">()(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&</span> <span class="identifier">str</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">return</span> <span class="identifier">str</span> <span class="special">+</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">lexical_cast</span><span class="special"><</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">>(</span><a class="link" href="../../../iterator/functions/deref.html" title="deref"><code class="computeroutput"><span class="identifier">deref</span></code></a>(t)<span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
<span class="special">};</span>
|
||||
<span class="special">...</span>
|
||||
<span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
|
||||
<span class="identifier">assert</span><span class="special">(</span>iter_fold<span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">(</span><span class="string">""</span><span class="special">),</span> <span class="identifier">make_string</span><span class="special">())</span> <span class="special">==</span> "12"<span class="special">);</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
|
||||
Schwinger<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
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>)
|
||||
</p>
|
||||
</div></td>
|
||||
</tr></table>
|
||||
<hr>
|
||||
<div class="spirit-nav">
|
||||
<a accesskey="p" href="reverse_fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="reverse_iter_fold.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
253
doc/html/fusion/algorithm/iteration/functions/reverse_fold.html
Normal file
253
doc/html/fusion/algorithm/iteration/functions/reverse_fold.html
Normal file
@ -0,0 +1,253 @@
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<html>
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||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
|
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<title>reverse_fold</title>
|
||||
<link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css">
|
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
|
||||
<link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.0">
|
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<link rel="up" href="../functions.html" title="Functions">
|
||||
<link rel="prev" href="fold.html" title="fold">
|
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<link rel="next" href="iter_fold.html" title="iter_fold">
|
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</head>
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||||
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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||||
<table cellpadding="2" width="100%"><tr>
|
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<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td>
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<td align="center"><a href="../../../../../../../../index.html">Home</a></td>
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<td align="center"><a href="../../../../../../../libraries.htm">Libraries</a></td>
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<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
|
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<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
|
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<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td>
|
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</tr></table>
|
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<hr>
|
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<div class="spirit-nav">
|
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<a accesskey="p" href="fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="iter_fold.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
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</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h5 class="title">
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_fold"></a><a class="link" href="reverse_fold.html" title="reverse_fold">reverse_fold</a>
|
||||
</h5></div></div></div>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_fold.description"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1003314"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.description">Description</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code>,
|
||||
initial state <code class="computeroutput"><span class="identifier">initial_state</span></code>,
|
||||
and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
|
||||
<code class="literal">reverse_fold</code> returns the result of the repeated
|
||||
application of binary <code class="computeroutput"><span class="identifier">f</span></code>
|
||||
to the result of the previous <code class="computeroutput"><span class="identifier">f</span></code>
|
||||
invocation (<code class="computeroutput"><span class="identifier">inital_state</span></code>
|
||||
if it is the first call) and each element of <code class="computeroutput"><span class="identifier">seq</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_fold.synopsis"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1003950"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.synopsis">Synopsis</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">F</span>
|
||||
<span class="special">></span>
|
||||
<span class="keyword">typename</span> <a class="link" href="../metafunctions/reverse_fold.html" title="reverse_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">reverse_fold</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span> reverse_fold<span class="special">(</span>
|
||||
<span class="identifier">Sequence</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
|
||||
|
||||
<span class="keyword">template</span><span class="special"><</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">F</span>
|
||||
<span class="special">></span>
|
||||
<span class="keyword">typename</span> <a class="link" href="../metafunctions/reverse_fold.html" title="reverse_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">reverse_fold</span></code></a><span class="special"><</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span> reverse_fold<span class="special">(</span>
|
||||
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<div class="table">
|
||||
<a name="id1004302"></a><p class="title"><b>Table 1.38. Parameters</b></p>
|
||||
<div class="table-contents"><table class="table" summary="Parameters">
|
||||
<colgroup>
|
||||
<col>
|
||||
<col>
|
||||
<col>
|
||||
</colgroup>
|
||||
<thead><tr>
|
||||
<th>
|
||||
<p>
|
||||
Parameter
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Requirement
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Description
|
||||
</p>
|
||||
</th>
|
||||
</tr></thead>
|
||||
<tbody>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">seq</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
|
||||
Sequence</a>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Operation's argument
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">initial_state</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Any type
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Initial state
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">f</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>e<span class="special">)</span></code> with return type <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special"><</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>E<span class="special">)>::</span><span class="identifier">type</span></code> must be a valid expression
|
||||
for current state <code class="computeroutput"><span class="identifier">s</span></code>
|
||||
of type <code class="computeroutput"><span class="identifier">S</span></code>,
|
||||
and for each element <code class="computeroutput"><span class="identifier">e</span></code>
|
||||
of type <code class="computeroutput"><span class="identifier">E</span></code>
|
||||
in <code class="computeroutput"><span class="identifier">seq</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Operation's argument
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table></div>
|
||||
</div>
|
||||
<p><br class="table-break">
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_fold.expression_semantics"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1004563"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.expression_semantics">Expression
|
||||
Semantics</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting">reverse_fold<span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Return type</strong></span>: Any type
|
||||
</p>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="literal">f(...
|
||||
f(f(initial_state,eN),eN-1) ...e1)</code> where <code class="literal">e1 ...eN</code>
|
||||
are the consecutive elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_fold.complexity"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1004646"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.complexity">Complexity</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">f</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_fold.header"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1004708"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.header">Header</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>reverse_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>reverse_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
</pre>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_fold.example"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1004824"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.functions.reverse_fold.example">Example</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">result_type</span><span class="special">;</span>
|
||||
|
||||
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">()(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&</span> <span class="identifier">str</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">return</span> <span class="identifier">str</span> <span class="special">+</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">lexical_cast</span><span class="special"><</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">>(</span>t<span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
<span class="special">};</span>
|
||||
<span class="special">...</span>
|
||||
<span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
|
||||
<span class="identifier">assert</span><span class="special">(</span>reverse_fold<span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">(</span><span class="string">""</span><span class="special">),</span> <span class="identifier">make_string</span><span class="special">())</span> <span class="special">==</span> "21"<span class="special">);</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
|
||||
Schwinger<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
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>)
|
||||
</p>
|
||||
</div></td>
|
||||
</tr></table>
|
||||
<hr>
|
||||
<div class="spirit-nav">
|
||||
<a accesskey="p" href="fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="iter_fold.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
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|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
|
||||
<title>reverse_iter_fold</title>
|
||||
<link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
|
||||
<link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.0">
|
||||
<link rel="up" href="../functions.html" title="Functions">
|
||||
<link rel="prev" href="iter_fold.html" title="iter_fold">
|
||||
<link rel="next" href="accumulate.html" title="accumulate">
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||||
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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<table cellpadding="2" width="100%"><tr>
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<td align="center"><a href="../../../../../../../../index.html">Home</a></td>
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<td align="center"><a href="../../../../../../../libraries.htm">Libraries</a></td>
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<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
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<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
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<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td>
|
||||
</tr></table>
|
||||
<hr>
|
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<div class="spirit-nav">
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<a accesskey="p" href="iter_fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="accumulate.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h5 class="title">
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold"></a><a class="link" href="reverse_iter_fold.html" title="reverse_iter_fold">reverse_iter_fold</a>
|
||||
</h5></div></div></div>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.description"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1007569"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.description">Description</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
For a sequence <code class="computeroutput"><span class="identifier">seq</span></code>,
|
||||
initial state <code class="computeroutput"><span class="identifier">initial_state</span></code>,
|
||||
and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
|
||||
<code class="literal">reverse_iter_fold</code> returns the result of the repeated
|
||||
application of binary <code class="computeroutput"><span class="identifier">f</span></code>
|
||||
to the result of the previous <code class="computeroutput"><span class="identifier">f</span></code>
|
||||
invocation (<code class="computeroutput"><span class="identifier">inital_state</span></code>
|
||||
if it is the first call) and iterators on each element of <code class="computeroutput"><span class="identifier">seq</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.synopsis"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1007644"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.synopsis">Synopsis</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">F</span>
|
||||
<span class="special">></span>
|
||||
<span class="keyword">typename</span> <a class="link" href="../metafunctions/reverse_iter_fold.html" title="reverse_iter_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">reverse_iter_fold</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span> reverse_iter_fold<span class="special">(</span>
|
||||
<span class="identifier">Sequence</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
|
||||
|
||||
<span class="keyword">template</span><span class="special"><</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">F</span>
|
||||
<span class="special">></span>
|
||||
<span class="keyword">typename</span> <a class="link" href="../metafunctions/reverse_iter_fold.html" title="reverse_iter_fold"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">reverse_iter_fold</span></code></a><span class="special"><</span><span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span> reverse_iter_fold<span class="special">(</span>
|
||||
<span class="identifier">Sequence</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">State</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">F</span> <span class="identifier">f</span><span class="special">);</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<div class="table">
|
||||
<a name="id1008001"></a><p class="title"><b>Table 1.40. Parameters</b></p>
|
||||
<div class="table-contents"><table class="table" summary="Parameters">
|
||||
<colgroup>
|
||||
<col>
|
||||
<col>
|
||||
<col>
|
||||
</colgroup>
|
||||
<thead><tr>
|
||||
<th>
|
||||
<p>
|
||||
Parameter
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Requirement
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Description
|
||||
</p>
|
||||
</th>
|
||||
</tr></thead>
|
||||
<tbody>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">seq</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
|
||||
Sequence</a>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Operation's argument
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">initial_state</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Any type
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Initial state
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">f</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>it<span class="special">)</span></code> with return type <code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special"><</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>It<span class="special">)>::</span><span class="identifier">type</span></code> must be a valid expression
|
||||
for current state <code class="computeroutput"><span class="identifier">s</span></code>
|
||||
of type <code class="computeroutput"><span class="identifier">S</span></code>,
|
||||
and for each iterator <code class="computeroutput"><span class="identifier">it</span></code>
|
||||
of type <code class="computeroutput"><span class="identifier">It</span></code>
|
||||
on an element of <code class="computeroutput"><span class="identifier">seq</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Operation's argument
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table></div>
|
||||
</div>
|
||||
<p><br class="table-break">
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.expression_semantics"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1008262"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.expression_semantics">Expression
|
||||
Semantics</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting">reverse_iter_fold<span class="special">(</span><span class="identifier">seq</span><span class="special">,</span> <span class="identifier">initial_state</span><span class="special">,</span> <span class="identifier">f</span><span class="special">);</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Return type</strong></span>: Any type
|
||||
</p>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="literal">f(...
|
||||
f(f(initial_state,itN),itN-1) ...it1)</code> where <code class="literal">it1
|
||||
...itN</code> are consecutive iterators on the elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.complexity"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1008344"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.complexity">Complexity</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">f</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.header"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1008404"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.header">Header</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>reverse_iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>reverse_iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
</pre>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.functions.reverse_iter_fold.example"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1008519"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.functions.reverse_iter_fold.example">Example</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">typedef</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="identifier">result_type</span><span class="special">;</span>
|
||||
|
||||
<span class="keyword">template</span><span class="special"><</span><span class="keyword">typename</span> <span class="identifier">T</span><span class="special">></span>
|
||||
<span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span> <span class="keyword">operator</span><span class="special">()(</span><span class="keyword">const</span> <span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">&</span> <span class="identifier">str</span><span class="special">,</span> <span class="keyword">const</span> <span class="identifier">T</span><span class="special">&</span> <span class="identifier">t</span><span class="special">)</span> <span class="keyword">const</span>
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">return</span> <span class="identifier">str</span> <span class="special">+</span> <span class="identifier">boost</span><span class="special">::</span><span class="identifier">lexical_cast</span><span class="special"><</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">>(</span><a class="link" href="../../../iterator/functions/deref.html" title="deref"><code class="computeroutput"><span class="identifier">deref</span></code></a>(t)<span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
<span class="special">};</span>
|
||||
<span class="special">...</span>
|
||||
<span class="keyword">const</span> <a class="link" href="../../../container/vector.html" title="vector"><code class="computeroutput"><span class="identifier">vector</span></code></a><span class="special"><</span><span class="keyword">int</span><span class="special">,</span><span class="keyword">int</span><span class="special">></span> <span class="identifier">vec</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
|
||||
<span class="identifier">assert</span><span class="special">(</span>reverse_iter_fold<span class="special">(</span><span class="identifier">vec</span><span class="special">,</span><span class="identifier">std</span><span class="special">::</span><span class="identifier">string</span><span class="special">(</span><span class="string">""</span><span class="special">),</span> <span class="identifier">make_string</span><span class="special">())</span> <span class="special">==</span> "21"<span class="special">);</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
|
||||
Schwinger<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
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>)
|
||||
</p>
|
||||
</div></td>
|
||||
</tr></table>
|
||||
<hr>
|
||||
<div class="spirit-nav">
|
||||
<a accesskey="p" href="iter_fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../functions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="accumulate.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
213
doc/html/fusion/algorithm/iteration/metafunctions/iter_fold.html
Normal file
213
doc/html/fusion/algorithm/iteration/metafunctions/iter_fold.html
Normal file
@ -0,0 +1,213 @@
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
|
||||
<title>iter_fold</title>
|
||||
<link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
|
||||
<link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.0">
|
||||
<link rel="up" href="../metafunctions.html" title="Metafunctions">
|
||||
<link rel="prev" href="reverse_fold.html" title="reverse_fold">
|
||||
<link rel="next" href="reverse_iter_fold.html" title="reverse_iter_fold">
|
||||
</head>
|
||||
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
|
||||
<table cellpadding="2" width="100%"><tr>
|
||||
<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td>
|
||||
<td align="center"><a href="../../../../../../../../index.html">Home</a></td>
|
||||
<td align="center"><a href="../../../../../../../libraries.htm">Libraries</a></td>
|
||||
<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
|
||||
<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
|
||||
<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td>
|
||||
</tr></table>
|
||||
<hr>
|
||||
<div class="spirit-nav">
|
||||
<a accesskey="p" href="reverse_fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="reverse_iter_fold.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h5 class="title">
|
||||
<a name="fusion.algorithm.iteration.metafunctions.iter_fold"></a><a class="link" href="iter_fold.html" title="iter_fold">iter_fold</a>
|
||||
</h5></div></div></div>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.description"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1014091"></a>
|
||||
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.description">Description</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
Returns the result type of <a class="link" href="../functions/iter_fold.html" title="iter_fold"><code class="computeroutput"><span class="identifier">iter_fold</span></code></a>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.synopsis"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1014122"></a>
|
||||
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.synopsis">Synopsis</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> iter_fold
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<div class="table">
|
||||
<a name="id1014217"></a><p class="title"><b>Table 1.45. Parameters</b></p>
|
||||
<div class="table-contents"><table class="table" summary="Parameters">
|
||||
<colgroup>
|
||||
<col>
|
||||
<col>
|
||||
<col>
|
||||
</colgroup>
|
||||
<thead><tr>
|
||||
<th>
|
||||
<p>
|
||||
Parameter
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Requirement
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Description
|
||||
</p>
|
||||
</th>
|
||||
</tr></thead>
|
||||
<tbody>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">Sequence</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
|
||||
Sequence</a>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
The sequence to iterate
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">State</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Any type
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
The initial state for the first application of <code class="computeroutput"><span class="identifier">F</span></code>
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">F</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special"><</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>It<span class="special">)>::</span><span class="identifier">type</span></code> is the return type
|
||||
of <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>it<span class="special">)</span></code> with current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>, and an iterator <code class="computeroutput"><span class="identifier">it</span></code> of type <code class="computeroutput"><span class="identifier">It</span></code> on an element of <code class="computeroutput"><span class="identifier">seq</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
The operation to be applied on traversal
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table></div>
|
||||
</div>
|
||||
<p><br class="table-break">
|
||||
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.expression_semantics"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1014485"></a>
|
||||
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.expression_semantics">Expression
|
||||
Semantics</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting">iter_fold<span class="special"><</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Return type</strong></span>: Any type
|
||||
</p>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Semantics</strong></span>: Returns the result of applying
|
||||
<a class="link" href="../functions/iter_fold.html" title="iter_fold"><code class="computeroutput"><span class="identifier">iter_fold</span></code></a> to a sequence of
|
||||
type <code class="computeroutput"><span class="identifier">Sequence</span></code>, with
|
||||
an initial state of type <code class="computeroutput"><span class="identifier">State</span></code>
|
||||
and binary function object or function pointer of type <code class="computeroutput"><span class="identifier">F</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.complexity"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1014585"></a>
|
||||
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.complexity">Complexity</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">F</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.iter_fold.header"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1014648"></a>
|
||||
<a class="link" href="iter_fold.html#fusion.algorithm.iteration.metafunctions.iter_fold.header">Header</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
|
||||
Schwinger<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
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>)
|
||||
</p>
|
||||
</div></td>
|
||||
</tr></table>
|
||||
<hr>
|
||||
<div class="spirit-nav">
|
||||
<a accesskey="p" href="reverse_fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="reverse_iter_fold.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
|
||||
</div>
|
||||
</body>
|
||||
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@ -0,0 +1,213 @@
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
|
||||
<title>reverse_fold</title>
|
||||
<link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
|
||||
<link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.0">
|
||||
<link rel="up" href="../metafunctions.html" title="Metafunctions">
|
||||
<link rel="prev" href="fold.html" title="fold">
|
||||
<link rel="next" href="iter_fold.html" title="iter_fold">
|
||||
</head>
|
||||
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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||||
<table cellpadding="2" width="100%"><tr>
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||||
<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td>
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||||
<td align="center"><a href="../../../../../../../../index.html">Home</a></td>
|
||||
<td align="center"><a href="../../../../../../../libraries.htm">Libraries</a></td>
|
||||
<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
|
||||
<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
|
||||
<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td>
|
||||
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|
||||
<hr>
|
||||
<div class="spirit-nav">
|
||||
<a accesskey="p" href="fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="iter_fold.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h5 class="title">
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold"></a><a class="link" href="reverse_fold.html" title="reverse_fold">reverse_fold</a>
|
||||
</h5></div></div></div>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.description"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1013412"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.description">Description</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
Returns the result type of <a class="link" href="../functions/reverse_fold.html" title="reverse_fold"><code class="computeroutput"><span class="identifier">reverse_fold</span></code></a>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.synopsis"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1013441"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.synopsis">Synopsis</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> reverse_fold
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<div class="table">
|
||||
<a name="id1013535"></a><p class="title"><b>Table 1.44. Parameters</b></p>
|
||||
<div class="table-contents"><table class="table" summary="Parameters">
|
||||
<colgroup>
|
||||
<col>
|
||||
<col>
|
||||
<col>
|
||||
</colgroup>
|
||||
<thead><tr>
|
||||
<th>
|
||||
<p>
|
||||
Parameter
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Requirement
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Description
|
||||
</p>
|
||||
</th>
|
||||
</tr></thead>
|
||||
<tbody>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">Sequence</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
|
||||
Sequence</a>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
The sequence to iterate
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">State</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Any type
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
The initial state for the first application of <code class="computeroutput"><span class="identifier">F</span></code>
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">F</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special"><</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>E<span class="special">)>::</span><span class="identifier">type</span></code> is the return type
|
||||
of <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>e<span class="special">)</span></code> with current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>, and an element <code class="computeroutput"><span class="identifier">e</span></code> of type <code class="computeroutput"><span class="identifier">E</span></code> in <code class="computeroutput"><span class="identifier">seq</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
The operation to be applied on traversal
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table></div>
|
||||
</div>
|
||||
<p><br class="table-break">
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.expression_semantics"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1013803"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.expression_semantics">Expression
|
||||
Semantics</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting">reverse_fold<span class="special"><</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Return type</strong></span>: Any type
|
||||
</p>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Semantics</strong></span>: Returns the result of applying
|
||||
<a class="link" href="../functions/reverse_fold.html" title="reverse_fold"><code class="computeroutput"><span class="identifier">reverse_fold</span></code></a> to a sequence
|
||||
of type <code class="computeroutput"><span class="identifier">Sequence</span></code>, with
|
||||
an initial state of type <code class="computeroutput"><span class="identifier">State</span></code>
|
||||
and binary function object or function pointer of type <code class="computeroutput"><span class="identifier">F</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.complexity"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1013901"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.complexity">Complexity</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">F</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_fold.header"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1013961"></a>
|
||||
<a class="link" href="reverse_fold.html#fusion.algorithm.iteration.metafunctions.reverse_fold.header">Header</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>reverse_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>reverse_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
|
||||
Schwinger<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
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>)
|
||||
</p>
|
||||
</div></td>
|
||||
</tr></table>
|
||||
<hr>
|
||||
<div class="spirit-nav">
|
||||
<a accesskey="p" href="fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="iter_fold.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
@ -0,0 +1,213 @@
|
||||
<html>
|
||||
<head>
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=US-ASCII">
|
||||
<title>reverse_iter_fold</title>
|
||||
<link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
|
||||
<link rel="home" href="../../../../index.html" title="Chapter 1. Fusion 2.0">
|
||||
<link rel="up" href="../metafunctions.html" title="Metafunctions">
|
||||
<link rel="prev" href="iter_fold.html" title="iter_fold">
|
||||
<link rel="next" href="accumulate.html" title="accumulate">
|
||||
</head>
|
||||
<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
|
||||
<table cellpadding="2" width="100%"><tr>
|
||||
<td valign="top"><img alt="Boost C++ Libraries" width="277" height="86" src="../../../../../../../../boost.png"></td>
|
||||
<td align="center"><a href="../../../../../../../../index.html">Home</a></td>
|
||||
<td align="center"><a href="../../../../../../../libraries.htm">Libraries</a></td>
|
||||
<td align="center"><a href="http://www.boost.org/users/people.html">People</a></td>
|
||||
<td align="center"><a href="http://www.boost.org/users/faq.html">FAQ</a></td>
|
||||
<td align="center"><a href="../../../../../../../../more/index.htm">More</a></td>
|
||||
</tr></table>
|
||||
<hr>
|
||||
<div class="spirit-nav">
|
||||
<a accesskey="p" href="iter_fold.html"><img src="../../../../../../../../doc/html/images/prev.png" alt="Prev"></a><a accesskey="u" href="../metafunctions.html"><img src="../../../../../../../../doc/html/images/up.png" alt="Up"></a><a accesskey="h" href="../../../../index.html"><img src="../../../../../../../../doc/html/images/home.png" alt="Home"></a><a accesskey="n" href="accumulate.html"><img src="../../../../../../../../doc/html/images/next.png" alt="Next"></a>
|
||||
</div>
|
||||
<div class="section">
|
||||
<div class="titlepage"><div><div><h5 class="title">
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold"></a><a class="link" href="reverse_iter_fold.html" title="reverse_iter_fold">reverse_iter_fold</a>
|
||||
</h5></div></div></div>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.description"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1014780"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.description">Description</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
Returns the result type of <a class="link" href="../functions/reverse_iter_fold.html" title="reverse_iter_fold"><code class="computeroutput"><span class="identifier">reverse_iter_fold</span></code></a>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.synopsis"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1014806"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.synopsis">Synopsis</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">Sequence</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">State</span><span class="special">,</span>
|
||||
<span class="keyword">typename</span> <span class="identifier">F</span><span class="special">></span>
|
||||
<span class="keyword">struct</span> reverse_iter_fold
|
||||
<span class="special">{</span>
|
||||
<span class="keyword">typedef</span> <span class="emphasis"><em>unspecified</em></span> <span class="identifier">type</span><span class="special">;</span>
|
||||
<span class="special">};</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<div class="table">
|
||||
<a name="id1014899"></a><p class="title"><b>Table 1.46. Parameters</b></p>
|
||||
<div class="table-contents"><table class="table" summary="Parameters">
|
||||
<colgroup>
|
||||
<col>
|
||||
<col>
|
||||
<col>
|
||||
</colgroup>
|
||||
<thead><tr>
|
||||
<th>
|
||||
<p>
|
||||
Parameter
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Requirement
|
||||
</p>
|
||||
</th>
|
||||
<th>
|
||||
<p>
|
||||
Description
|
||||
</p>
|
||||
</th>
|
||||
</tr></thead>
|
||||
<tbody>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">Sequence</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
|
||||
Sequence</a>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
The sequence to iterate
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">State</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
Any type
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
The initial state for the first application of <code class="computeroutput"><span class="identifier">F</span></code>
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><span class="identifier">F</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
<code class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><code class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></code></a><span class="special"><</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">S</span><span class="special">,</span>It<span class="special">)>::</span><span class="identifier">type</span></code> is the return type
|
||||
of <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span>it<span class="special">)</span></code> with current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>, and an iterator <code class="computeroutput"><span class="identifier">it</span></code> of type <code class="computeroutput"><span class="identifier">It</span></code> on an element of <code class="computeroutput"><span class="identifier">seq</span></code>
|
||||
</p>
|
||||
</td>
|
||||
<td>
|
||||
<p>
|
||||
The operation to be applied on traversal
|
||||
</p>
|
||||
</td>
|
||||
</tr>
|
||||
</tbody>
|
||||
</table></div>
|
||||
</div>
|
||||
<p><br class="table-break">
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.expression_semantics"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1015166"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.expression_semantics">Expression
|
||||
Semantics</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting">reverse_iter_fold<span class="special"><</span><span class="identifier">Sequence</span><span class="special">,</span> <span class="identifier">State</span><span class="special">,</span> <span class="identifier">F</span><span class="special">>::</span><span class="identifier">type</span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Return type</strong></span>: Any type
|
||||
</p>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Semantics</strong></span>: Returns the result of applying
|
||||
<a class="link" href="../functions/reverse_iter_fold.html" title="reverse_iter_fold"><code class="computeroutput"><span class="identifier">reverse_iter_fold</span></code></a> to a sequence
|
||||
of type <code class="computeroutput"><span class="identifier">Sequence</span></code>, with
|
||||
an initial state of type <code class="computeroutput"><span class="identifier">State</span></code>
|
||||
and binary function object or function pointer of type <code class="computeroutput"><span class="identifier">F</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.complexity"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1015265"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.complexity">Complexity</a>
|
||||
</h6>
|
||||
<p>
|
||||
</p>
|
||||
<p>
|
||||
Linear, exactly <code class="computeroutput"><a class="link" href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></code></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">value</span></code> applications of <code class="computeroutput"><span class="identifier">F</span></code>.
|
||||
</p>
|
||||
<p>
|
||||
<a name="fusion.algorithm.iteration.metafunctions.reverse_iter_fold.header"></a>
|
||||
</p>
|
||||
<h6>
|
||||
<a name="id1015322"></a>
|
||||
<a class="link" href="reverse_iter_fold.html#fusion.algorithm.iteration.metafunctions.reverse_iter_fold.header">Header</a>
|
||||
</h6>
|
||||
<p>
|
||||
|
||||
</p>
|
||||
<pre class="programlisting"><span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span>reverse_iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
<span class="preprocessor">#include</span> <span class="special"><</span><span class="identifier">boost</span><span class="special">/</span><span class="identifier">fusion</span><span class="special">/</span><span class="identifier">include</span><span class="special">/</span>reverse_iter_fold<span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
</pre>
|
||||
<p>
|
||||
</p>
|
||||
</div>
|
||||
<table xmlns:rev="http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width="100%"><tr>
|
||||
<td align="left"></td>
|
||||
<td align="right"><div class="copyright-footer">Copyright © 2001-2007 Joel de Guzman, Dan Marsden, Tobias
|
||||
Schwinger<p>
|
||||
Distributed under the Boost Software License, Version 1.0. (See accompanying
|
||||
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>)
|
||||
</p>
|
||||
</div></td>
|
||||
</tr></table>
|
||||
<hr>
|
||||
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|
||||
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Reference in New Issue
Block a user