forked from boostorg/fusion
fix for #2355: discrepancy between std::accumulate and fusion::accumulate
[SVN r57125]
This commit is contained in:
Christopher Schmidt
@ -3,7 +3,7 @@
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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 V1.75.0">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
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||||
<link rel="home" href="../../../../index.html" title="Chapter<65>1.<2E>Fusion 2.0">
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||||
<link rel="up" href="../functions.html" title="Functions">
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||||
<link rel="prev" href="fold.html" title="fold">
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||||
@ -27,18 +27,21 @@
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<a name="fusion.algorithm.iteration.functions.accumulate"></a><a class="link" href="accumulate.html" title="accumulate">accumulate</a>
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</h5></div></div></div>
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<a name="fusion.algorithm.iteration.functions.accumulate.description"></a><h6>
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<a name="id672561"></a>
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<a name="id789366"></a>
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<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.description">Description</a>
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</h6>
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<p>
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For a sequence <code class="computeroutput"><span class="identifier">Seq</span></code>, initial
|
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state, and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
|
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accumulate repeatedly applies binary <code class="computeroutput"><span class="identifier">f</span></code>
|
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to each element of <code class="computeroutput"><span class="identifier">Seq</span></code>
|
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and the previous state.
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For a sequence <code class="computeroutput"><span class="identifier">seq</span></code>, initial
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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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accumulate returns the result of the repeated application of binary
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<code class="computeroutput"><span class="identifier">f</span></code> to the result of the
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previous <code class="computeroutput"><span class="identifier">f</span></code> invocation
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(<code class="computeroutput"><span class="identifier">inital_state</span></code> if it is
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the first call) and each element of <code class="computeroutput"><span class="identifier">seq</span></code>.
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</p>
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<a name="fusion.algorithm.iteration.functions.accumulate.synopsis"></a><h6>
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<a name="id672611"></a>
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<a name="id789441"></a>
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<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.synopsis">Synopsis</a>
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</h6>
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
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@ -50,7 +53,7 @@
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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="keyword">const</span><span class="special">&</span> <span class="identifier">f</span><span class="special">);</span>
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</pre>
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<div class="table">
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<a name="id672797"></a><p class="title"><b>Table<EFBFBD>1.34.<2E>Parameters</b></p>
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<a name="id789627"></a><p class="title"><b>Table<EFBFBD>1.34.<2E>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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@ -84,10 +87,10 @@
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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>, <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">eN</span>
|
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<span class="special">....</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e2</span><span class="special">,</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e1</span><span class="special">,</span><span class="identifier">initial_state</span><span class="special">)))</span></code> must be a valid expression for
|
||||
each element <code class="computeroutput"><span class="identifier">e1</span></code>
|
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to <code class="computeroutput"><span class="identifier">eN</span></code> in <code class="computeroutput"><span class="identifier">seq</span></code>
|
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Sequence</a>, <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span><span class="identifier">e</span><span class="special">)</span></code> must be a valid expression for
|
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current state <code class="computeroutput"><span class="identifier">s</span></code>,
|
||||
and each element <code class="computeroutput"><span class="identifier">e</span></code>
|
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in <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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@ -121,9 +124,11 @@
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</td>
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<td>
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<p>
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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>
|
||||
<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><span class="identifier">E</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">s</span><span class="special">,</span><span class="identifier">e</span><span class="special">)</span></code>
|
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current state <code class="computeroutput"><span class="identifier">s</span></code>
|
||||
of type <code class="computeroutput"><span class="identifier">S</span></code>, and
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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>
|
||||
of type <code class="computeroutput"><span class="identifier">E</span></code> in <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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@ -136,7 +141,7 @@
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</table></div>
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</div>
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<br class="table-break"><a name="fusion.algorithm.iteration.functions.accumulate.expression_semantics"></a><h6>
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<a name="id675325"></a>
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<a name="id790473"></a>
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<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.expression_semantics">Expression
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Semantics</a>
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</h6>
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@ -146,25 +151,26 @@
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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"><strong>Semantics</strong></span>: Equivalent to <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">eN</span> <span class="special">....</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e2</span><span class="special">,</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e1</span><span class="special">,</span><span class="identifier">initial_state</span><span class="special">)))</span></code>
|
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where <code class="computeroutput"><span class="identifier">e1</span> <span class="special">...</span><span class="identifier">eN</span></code> are the elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
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<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="computeroutput"><span class="identifier">f</span><span class="special">(...</span> <span class="identifier">f</span><span class="special">(</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">initial_state</span><span class="special">,</span><span class="identifier">e1</span><span class="special">),</span><span class="identifier">e2</span><span class="special">)</span> <span class="special">...</span><span class="identifier">eN</span><span class="special">)</span></code> where <code class="computeroutput"><span class="identifier">e1</span>
|
||||
<span class="special">...</span><span class="identifier">eN</span></code>
|
||||
are the elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
|
||||
</p>
|
||||
<a name="fusion.algorithm.iteration.functions.accumulate.complexity"></a><h6>
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<a name="id675471"></a>
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<a name="id790624"></a>
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<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.complexity">Complexity</a>
|
||||
</h6>
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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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<a name="fusion.algorithm.iteration.functions.accumulate.header"></a><h6>
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<a name="id675531"></a>
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<a name="id790684"></a>
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<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.header">Header</a>
|
||||
</h6>
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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>
|
||||
<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>
|
||||
</pre>
|
||||
<a name="fusion.algorithm.iteration.functions.accumulate.example"></a><h6>
|
||||
<a name="id675646"></a>
|
||||
<a name="id790800"></a>
|
||||
<a class="link" href="accumulate.html#fusion.algorithm.iteration.functions.accumulate.example">Example</a>
|
||||
</h6>
|
||||
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
|
||||
@ -172,7 +178,7 @@
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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">T</span><span class="special">&</span> <span class="identifier">t</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">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><span class="identifier">t</span><span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
|
||||
@ -3,7 +3,7 @@
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>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 V1.75.0">
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<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
|
||||
<link rel="home" href="../../../../index.html" title="Chapter<65>1.<2E>Fusion 2.0">
|
||||
<link rel="up" href="../functions.html" title="Functions">
|
||||
<link rel="prev" href="../functions.html" title="Functions">
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@ -27,18 +27,18 @@
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<a name="fusion.algorithm.iteration.functions.fold"></a><a class="link" href="fold.html" title="fold">fold</a>
|
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</h5></div></div></div>
|
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<a name="fusion.algorithm.iteration.functions.fold.description"></a><h6>
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<a name="id671348"></a>
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<a name="id788125"></a>
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||||
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.description">Description</a>
|
||||
</h6>
|
||||
<p>
|
||||
For a sequence <code class="computeroutput"><span class="identifier">Seq</span></code>, initial
|
||||
state, and binary function object or function pointer <code class="computeroutput"><span class="identifier">f</span></code>,
|
||||
fold repeatedly applies binary <code class="computeroutput"><span class="identifier">f</span></code>
|
||||
to each element of <code class="computeroutput"><span class="identifier">Seq</span></code>
|
||||
and the previous state.
|
||||
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>,
|
||||
fold 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>
|
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<a name="fusion.algorithm.iteration.functions.fold.synopsis"></a><h6>
|
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<a name="id671393"></a>
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<a name="id788195"></a>
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<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.synopsis">Synopsis</a>
|
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</h6>
|
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<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
|
||||
@ -50,7 +50,7 @@
|
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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="keyword">const</span><span class="special">&</span> <span class="identifier">f</span><span class="special">);</span>
|
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</pre>
|
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<div class="table">
|
||||
<a name="id671577"></a><p class="title"><b>Table<EFBFBD>1.33.<2E>Parameters</b></p>
|
||||
<a name="id788379"></a><p class="title"><b>Table<EFBFBD>1.33.<2E>Parameters</b></p>
|
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<div class="table-contents"><table class="table" summary="Parameters">
|
||||
<colgroup>
|
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<col>
|
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@ -84,10 +84,10 @@
|
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<td>
|
||||
<p>
|
||||
A model of <a class="link" href="../../../sequence/concepts/forward_sequence.html" title="Forward Sequence">Forward
|
||||
Sequence</a>,<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> must be a valid expression for
|
||||
each element <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>
|
||||
Sequence</a>, <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">s</span><span class="special">,</span><span class="identifier">e</span><span class="special">)</span></code> must be a valid expression for
|
||||
current state <code class="computeroutput"><span class="identifier">s</span></code>,
|
||||
and each element <code class="computeroutput"><span class="identifier">e</span></code>
|
||||
in <code class="computeroutput"><span class="identifier">seq</span></code>
|
||||
</p>
|
||||
</td>
|
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<td>
|
||||
@ -121,9 +121,11 @@
|
||||
</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">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>
|
||||
<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><span class="identifier">E</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">s</span><span class="special">,</span><span class="identifier">e</span><span class="special">)</span></code>
|
||||
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>, and current state <code class="computeroutput"><span class="identifier">s</span></code> of type <code class="computeroutput"><span class="identifier">S</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>
|
||||
@ -136,7 +138,7 @@
|
||||
</table></div>
|
||||
</div>
|
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<br class="table-break"><a name="fusion.algorithm.iteration.functions.fold.expression_semantics"></a><h6>
|
||||
<a name="id671880"></a>
|
||||
<a name="id788681"></a>
|
||||
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.expression_semantics">Expression
|
||||
Semantics</a>
|
||||
</h6>
|
||||
@ -146,25 +148,26 @@
|
||||
<span class="bold"><strong>Return type</strong></span>: Any type
|
||||
</p>
|
||||
<p>
|
||||
<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="computeroutput"><span class="identifier">f</span><span class="special">(</span><span class="identifier">eN</span> <span class="special">....</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e2</span><span class="special">,</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">e1</span><span class="special">,</span><span class="identifier">initial_state</span><span class="special">)))</span></code>
|
||||
where <code class="computeroutput"><span class="identifier">e1</span> <span class="special">...</span><span class="identifier">eN</span></code> are the elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
|
||||
<span class="bold"><strong>Semantics</strong></span>: Equivalent to <code class="computeroutput"><span class="identifier">f</span><span class="special">(...</span> <span class="identifier">f</span><span class="special">(</span><span class="identifier">f</span><span class="special">(</span><span class="identifier">initial_state</span><span class="special">,</span><span class="identifier">e1</span><span class="special">),</span><span class="identifier">e2</span><span class="special">)</span> <span class="special">...</span><span class="identifier">eN</span><span class="special">)</span></code> where <code class="computeroutput"><span class="identifier">e1</span>
|
||||
<span class="special">...</span><span class="identifier">eN</span></code>
|
||||
are the elements of <code class="computeroutput"><span class="identifier">seq</span></code>.
|
||||
</p>
|
||||
<a name="fusion.algorithm.iteration.functions.fold.complexity"></a><h6>
|
||||
<a name="id672027"></a>
|
||||
<a name="id788832"></a>
|
||||
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.complexity">Complexity</a>
|
||||
</h6>
|
||||
<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>
|
||||
<a name="fusion.algorithm.iteration.functions.fold.header"></a><h6>
|
||||
<a name="id672084"></a>
|
||||
<a name="id788890"></a>
|
||||
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.header">Header</a>
|
||||
</h6>
|
||||
<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">fold</span><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><span class="identifier">fold</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
</pre>
|
||||
<a name="fusion.algorithm.iteration.functions.fold.example"></a><h6>
|
||||
<a name="id672200"></a>
|
||||
<a name="id789005"></a>
|
||||
<a class="link" href="fold.html#fusion.algorithm.iteration.functions.fold.example">Example</a>
|
||||
</h6>
|
||||
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">make_string</span>
|
||||
@ -172,7 +175,7 @@
|
||||
<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">T</span><span class="special">&</span> <span class="identifier">t</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">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><span class="identifier">t</span><span class="special">);</span>
|
||||
<span class="special">}</span>
|
||||
|
||||
@ -3,7 +3,7 @@
|
||||
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
|
||||
<title>for_each</title>
|
||||
<link rel="stylesheet" href="../../../../../../../../doc/html/boostbook.css" type="text/css">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.0">
|
||||
<meta name="generator" content="DocBook XSL Stylesheets V1.75.1">
|
||||
<link rel="home" href="../../../../index.html" title="Chapter<65>1.<2E>Fusion 2.0">
|
||||
<link rel="up" href="../functions.html" title="Functions">
|
||||
<link rel="prev" href="accumulate.html" title="accumulate">
|
||||
@ -27,14 +27,14 @@
|
||||
<a name="fusion.algorithm.iteration.functions.for_each"></a><a class="link" href="for_each.html" title="for_each">for_each</a>
|
||||
</h5></div></div></div>
|
||||
<a name="fusion.algorithm.iteration.functions.for_each.description"></a><h6>
|
||||
<a name="id676008"></a>
|
||||
<a name="id791161"></a>
|
||||
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.description">Description</a>
|
||||
</h6>
|
||||
<p>
|
||||
Applies a unary function object to each element of a sequence.
|
||||
</p>
|
||||
<a name="fusion.algorithm.iteration.functions.for_each.synopsis"></a><h6>
|
||||
<a name="id676027"></a>
|
||||
<a name="id791180"></a>
|
||||
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.synopsis">Synopsis</a>
|
||||
</h6>
|
||||
<pre class="programlisting"><span class="keyword">template</span><span class="special"><</span>
|
||||
@ -45,7 +45,7 @@
|
||||
<span class="identifier">Sequence</span><span class="special">&</span> <span class="identifier">seq</span><span class="special">,</span> <span class="identifier">F</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">f</span><span class="special">);</span>
|
||||
</pre>
|
||||
<div class="table">
|
||||
<a name="id676167"></a><p class="title"><b>Table<EFBFBD>1.35.<2E>Parameters</b></p>
|
||||
<a name="id791320"></a><p class="title"><b>Table<EFBFBD>1.35.<2E>Parameters</b></p>
|
||||
<div class="table-contents"><table class="table" summary="Parameters">
|
||||
<colgroup>
|
||||
<col>
|
||||
@ -112,7 +112,7 @@
|
||||
</table></div>
|
||||
</div>
|
||||
<br class="table-break"><a name="fusion.algorithm.iteration.functions.for_each.expression_semantics"></a><h6>
|
||||
<a name="id676320"></a>
|
||||
<a name="id791473"></a>
|
||||
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.expression_semantics">Expression
|
||||
Semantics</a>
|
||||
</h6>
|
||||
@ -126,21 +126,21 @@
|
||||
in <code class="computeroutput"><span class="identifier">seq</span></code>.
|
||||
</p>
|
||||
<a name="fusion.algorithm.iteration.functions.for_each.complexity"></a><h6>
|
||||
<a name="id676424"></a>
|
||||
<a name="id791577"></a>
|
||||
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.complexity">Complexity</a>
|
||||
</h6>
|
||||
<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>
|
||||
<a name="fusion.algorithm.iteration.functions.for_each.header"></a><h6>
|
||||
<a name="id676484"></a>
|
||||
<a name="id791637"></a>
|
||||
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.header">Header</a>
|
||||
</h6>
|
||||
<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">for_each</span><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><span class="identifier">for_each</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
|
||||
</pre>
|
||||
<a name="fusion.algorithm.iteration.functions.for_each.example"></a><h6>
|
||||
<a name="id676599"></a>
|
||||
<a name="id791752"></a>
|
||||
<a class="link" href="for_each.html#fusion.algorithm.iteration.functions.for_each.example">Example</a>
|
||||
</h6>
|
||||
<pre class="programlisting"><span class="keyword">struct</span> <span class="identifier">increment</span>
|
||||
|
||||
Reference in New Issue
Block a user