forked from boostorg/fusion
updates functional module: only two unfused variants, now
[SVN r51381]
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>accumulate</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 V1.66.1">
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<meta name="generator" content="DocBook XSL Stylesheets V1.68.1">
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<link rel="start" href="../../../../index.html" title="Chapter<65>1.<2E>Fusion 2.0">
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<link rel="up" href="../metafunctions.html" title="Metafunctions">
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<link rel="prev" href="fold.html" title="fold">
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<div class="titlepage"><div><div><h5 class="title">
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<a name="fusion.algorithm.iteration.metafunctions.accumulate"></a><a href="accumulate.html" title="accumulate">accumulate</a></h5></div></div></div>
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<a name="fusion.algorithm.iteration.metafunctions.accumulate.description"></a><h6>
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<a name="id585192"></a>
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<a name="id1171183"></a>
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<a href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.description">Description</a>
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</h6>
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<p>
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Returns the result type of <a href="../functions/accumulate.html" title="accumulate"><tt class="computeroutput"><span class="identifier">accumulate</span></tt></a>.
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Returns the result type of <a href="../functions/accumulate.html" title="accumulate"><code class="computeroutput"><span class="identifier">accumulate</span></code></a>.
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</p>
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<a name="fusion.algorithm.iteration.metafunctions.accumulate.synopsis"></a><h6>
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<a name="id585241"></a>
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<a name="id1171226"></a>
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<a href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.synopsis">Synopsis</a>
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</h6>
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<pre class="programlisting">
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<span class="keyword">template</span><span class="special"><</span>
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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><span class="special">></span>
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<span class="special">};</span>
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</pre>
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<div class="table">
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<a name="id585377"></a><p class="title"><b>Table<EFBFBD>1.37.<2E>Parameters</b></p>
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<a name="id1171345"></a><p class="title"><b>Table<EFBFBD>1.37.<2E>Parameters</b></p>
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<table class="table" summary="Parameters">
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<colgroup>
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<col>
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<tr>
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<td>
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<p>
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<tt class="computeroutput"><span class="identifier">Sequence</span></tt>
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<code class="computeroutput"><span class="identifier">Sequence</span></code>
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</p>
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</td>
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<td>
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<tr>
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<td>
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<p>
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<tt class="computeroutput"><span class="identifier">State</span></tt>
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<code class="computeroutput"><span class="identifier">State</span></code>
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</p>
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</td>
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<td>
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</td>
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<td>
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<p>
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The initial state for the first application of <tt class="computeroutput"><span class="identifier">F</span></tt>
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The initial state for the first application of <code class="computeroutput"><span class="identifier">F</span></code>
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</p>
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</td>
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</tr>
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<tr>
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<td>
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<p>
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<tt class="computeroutput"><span class="identifier">F</span></tt>
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<code class="computeroutput"><span class="identifier">F</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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<tt class="computeroutput"><a href="http://www.boost.org/libs/utility/utility.htm#result_of" target="_top"><tt class="computeroutput"><span class="identifier">boost</span><span class="special">::</span><span class="identifier">result_of</span></tt></a><span class="special"><</span><span class="identifier">F</span><span class="special">(</span><span class="identifier">E</span><span class="special">,</span><span class="identifier">S</span><span class="special">)>::</span><span class="identifier">type</span></tt> is the return type of <tt class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">e</span><span class="special">,</span><span class="identifier">s</span><span class="special">)</span></tt>
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for each element <tt class="computeroutput"><span class="identifier">e</span></tt>
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of type <tt class="computeroutput"><span class="identifier">E</span></tt> in <tt class="computeroutput"><span class="identifier">seq</span></tt>, and current state <tt class="computeroutput"><span class="identifier">s</span></tt> of type <tt class="computeroutput"><span class="identifier">S</span></tt>
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<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">E</span><span class="special">,</span><span class="identifier">S</span><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">e</span><span class="special">,</span><span class="identifier">s</span><span class="special">)</span></code>
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for each element <code class="computeroutput"><span class="identifier">e</span></code>
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of type <code class="computeroutput"><span class="identifier">E</span></code> in <code class="computeroutput"><span class="identifier">seq</span></code>, and current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</span></code>
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</p>
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</td>
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<td>
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</table>
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</div>
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<a name="fusion.algorithm.iteration.metafunctions.accumulate.expression_semantics"></a><h6>
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<a name="id585729"></a>
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<a name="id1171657"></a>
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<a href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.expression_semantics">Expression
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Semantics</a>
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</h6>
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<pre class="programlisting">
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<a href="accumulate.html" title="accumulate"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">accumulate</span></tt></a><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>
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<pre class="programlisting"><a href="accumulate.html" title="accumulate"><code class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">accumulate</span></code></a><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>
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</pre>
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<p>
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<span class="bold"><b>Return type</b></span>: Any type
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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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<span class="bold"><b>Semantics</b></span>: Returns the result of applying
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<tt class="computeroutput"><span class="identifier">accumulate</span></tt> to a sequence
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of type <tt class="computeroutput"><span class="identifier">Sequence</span></tt>, with
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an initial state of type <tt class="computeroutput"><span class="identifier">State</span></tt>
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and binary function object or function pointer of type <tt class="computeroutput"><span class="identifier">F</span></tt>.
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<span class="bold"><strong>Semantics</strong></span>: Returns the result of applying
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<code class="computeroutput"><span class="identifier">accumulate</span></code> to a sequence
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of type <code class="computeroutput"><span class="identifier">Sequence</span></code>, with
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an initial state of type <code class="computeroutput"><span class="identifier">State</span></code>
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and binary function object or function pointer of type <code class="computeroutput"><span class="identifier">F</span></code>.
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</p>
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<a name="fusion.algorithm.iteration.metafunctions.accumulate.complexity"></a><h6>
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<a name="id585906"></a>
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<a name="id1171810"></a>
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<a href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.complexity">Complexity</a>
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</h6>
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<p>
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Linear, exactly <tt class="computeroutput"><a href="../../../sequence/intrinsic/metafunctions/size.html" title="size"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">size</span></tt></a><span class="special"><</span><span class="identifier">Sequence</span><span class="special">>::</span><span class="identifier">value</span></tt> applications of <tt class="computeroutput"><span class="identifier">F</span></tt>.
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Linear, exactly <code class="computeroutput"><a 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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<a name="fusion.algorithm.iteration.metafunctions.accumulate.header"></a><h6>
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<a name="id586002"></a>
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<a name="id1171894"></a>
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<a href="accumulate.html#fusion.algorithm.iteration.metafunctions.accumulate.header">Header</a>
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</h6>
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<pre class="programlisting">
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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">algorithm</span><span class="special">/</span><span class="identifier">iteration</span><span class="special">/</span><span class="identifier">accumulate</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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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><span class="identifier">accumulate</span><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><span class="identifier">accumulate</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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</pre>
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</div>
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