forked from boostorg/fusion
merge from trunk
[SVN r56179]
This commit is contained in:
Joel de Guzman
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>prior</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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<link rel="start" href="../../../index.html" title="Chapter<65>1.<2E>Fusion 2.0">
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<meta name="generator" content="DocBook XSL Stylesheets V1.65.1">
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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="next.html" title="next">
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<link rel="previous" href="next.html" title="next">
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<link rel="next" href="distance.html" title="distance">
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</head>
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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF">
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@ -23,27 +23,30 @@
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<a accesskey="p" href="next.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="distance.html"><img src="../../../../../../../doc/html/images/next.png" alt="Next"></a>
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</div>
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<div class="section" lang="en">
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<div class="titlepage"><div><div><h4 class="title">
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<a name="fusion.iterator.functions.prior"></a><a href="prior.html" title="prior">prior</a></h4></div></div></div>
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<div class="titlepage">
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<div><div><h4 class="title">
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<a name="fusion.iterator.functions.prior"></a><a href="prior.html" title="prior">prior</a>
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</h4></div></div>
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<div></div>
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</div>
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<a name="fusion.iterator.functions.prior.description"></a><h5>
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<a name="id475986"></a>
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<a name="id427892"></a>
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<a href="prior.html#fusion.iterator.functions.prior.description">Description</a>
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</h5>
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<p>
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Moves an iterator 1 position backwards.
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</p>
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<a name="fusion.iterator.functions.prior.synopsis"></a><h5>
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<a name="id476016"></a>
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<a name="id427920"></a>
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<a href="prior.html#fusion.iterator.functions.prior.synopsis">Synopsis</a>
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</h5>
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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">I</span>
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<span class="special">></span>
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<span class="keyword">typename</span> <a href="../metafunctions/prior.html" title="prior"><tt class="computeroutput"><span class="identifier">result_of</span><span class="special">::</span><span class="identifier">prior</span></tt></a><span class="special"><</span><span class="identifier">I</span><span class="special">>::</span><span class="identifier">type</span> <span class="identifier">prior</span><span class="special">(</span><span class="identifier">I</span> <span class="keyword">const</span><span class="special">&</span> <span class="identifier">i</span><span class="special">);</span>
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</pre>
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<div class="table">
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<a name="id476160"></a><p class="title"><b>Table<EFBFBD>1.4.<2E>Parameters</b></p>
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<a name="id428062"></a><p class="title"><b>Table<EFBFBD>1.4.<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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@ -51,50 +54,37 @@
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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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<th><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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</p></th>
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<th><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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</p></th>
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<th><p>
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Description
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</p>
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</th>
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</p></th>
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</tr></thead>
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<tbody><tr>
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<td>
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<p>
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<td><p>
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<tt class="computeroutput"><span class="identifier">i</span></tt>
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</p>
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</td>
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<td>
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<p>
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</p></td>
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<td><p>
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Model of <a href="../concepts/bidirectional_iterator.html" title="Bidirectional
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Iterator">Bidirectional
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Iterator</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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</p></td>
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<td><p>
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Operation's argument
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</p>
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</td>
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</p></td>
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</tr></tbody>
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</table>
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</div>
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<a name="fusion.iterator.functions.prior.expression_semantics"></a><h5>
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<a name="id476262"></a>
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<a name="id428163"></a>
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<a href="prior.html#fusion.iterator.functions.prior.expression_semantics">Expression
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Semantics</a>
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</h5>
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<pre class="programlisting">
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<a href="prior.html" title="prior"><tt class="computeroutput"><span class="identifier">prior</span></tt></a><span class="special">(</span><span class="identifier">i</span><span class="special">);</span>
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<pre class="programlisting"><a href="prior.html" title="prior"><tt class="computeroutput"><span class="identifier">prior</span></tt></a><span class="special">(</span><span class="identifier">i</span><span class="special">);</span>
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</pre>
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<p>
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<span class="bold"><b>Return type</b></span>: A model of the same iterator
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@ -105,19 +95,17 @@
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element prior to <tt class="computeroutput"><span class="identifier">i</span></tt>.
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</p>
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<a name="fusion.iterator.functions.prior.header"></a><h5>
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<a name="id476370"></a>
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<a name="id428269"></a>
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<a href="prior.html#fusion.iterator.functions.prior.header">Header</a>
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</h5>
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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">iterator</span><span class="special">/</span><span class="identifier">prior</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">iterator</span><span class="special">/</span><span class="identifier">prior</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">prior</span><span class="special">.</span><span class="identifier">hpp</span><span class="special">></span>
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</pre>
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<a name="fusion.iterator.functions.prior.example"></a><h5>
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<a name="id476527"></a>
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<a name="id428424"></a>
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<a href="prior.html#fusion.iterator.functions.prior.example">Example</a>
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</h5>
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<pre class="programlisting">
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<span class="keyword">typedef</span> <a href="../../container/vector.html" title="vector"><tt class="computeroutput"><span class="identifier">vector</span></tt></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>
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<pre class="programlisting"><span class="keyword">typedef</span> <a href="../../container/vector.html" title="vector"><tt class="computeroutput"><span class="identifier">vector</span></tt></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>
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<span class="identifier">vec</span> <span class="identifier">v</span><span class="special">(</span><span class="number">1</span><span class="special">,</span><span class="number">2</span><span class="special">);</span>
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<span class="identifier">assert</span><span class="special">(</span><a href="deref.html" title="deref"><tt class="computeroutput"><span class="identifier">deref</span></tt></a><span class="special">(</span><a href="next.html" title="next"><tt class="computeroutput"><span class="identifier">next</span></tt></a><span class="special">(</span><a href="../../sequence/intrinsic/functions/begin.html" title="begin"><tt class="computeroutput"><span class="identifier">begin</span></tt></a><span class="special">(</span><span class="identifier">v</span><span class="special">)))</span> <span class="special">==</span> <span class="number">2</span><span class="special">);</span>
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