1 <?xml version=
"1.0" encoding=
"utf-8" ?>
2 <!DOCTYPE html PUBLIC
"-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
3 <html xmlns=
"http://www.w3.org/1999/xhtml" xml:
lang=
"en" lang=
"en">
5 <meta http-equiv=
"Content-Type" content=
"text/html; charset=utf-8" />
6 <meta name=
"generator" content=
"Docutils 0.7: http://docutils.sourceforge.net/" />
7 <title>The MPL Reference Manual: replace
</title>
8 <link rel=
"stylesheet" href=
"../style.css" type=
"text/css" />
10 <body class=
"docframe refmanual">
11 <table class=
"header"><tr class=
"header"><td class=
"header-group navigation-bar"><span class=
"navigation-group"><a href=
"./transform.html" class=
"navigation-link">Prev
</a> <a href=
"./replace-if.html" class=
"navigation-link">Next
</a></span><span class=
"navigation-group-separator"> |
</span><span class=
"navigation-group"><a href=
"./transform.html" class=
"navigation-link">Back
</a> <a href=
"./replace-if.html" class=
"navigation-link">Along
</a></span><span class=
"navigation-group-separator"> |
</span><span class=
"navigation-group"><a href=
"./transformation-algorithms.html" class=
"navigation-link">Up
</a> <a href=
"../refmanual.html" class=
"navigation-link">Home
</a></span><span class=
"navigation-group-separator"> |
</span><span class=
"navigation-group"><a href=
"./refmanual_toc.html" class=
"navigation-link">Full TOC
</a></span></td>
12 <td class=
"header-group page-location"><a href=
"../refmanual.html" class=
"navigation-link">Front Page
</a> /
<a href=
"./algorithms.html" class=
"navigation-link">Algorithms
</a> /
<a href=
"./transformation-algorithms.html" class=
"navigation-link">Transformation Algorithms
</a> /
<a href=
"./replace.html" class=
"navigation-link">replace
</a></td>
13 </tr></table><div class=
"header-separator"></div>
14 <div class=
"section" id=
"replace">
15 <h1><a class=
"toc-backref" href=
"./transformation-algorithms.html#id1489">replace
</a></h1>
16 <div class=
"section" id=
"id642">
17 <h3><a class=
"subsection-title" href=
"#synopsis" name=
"synopsis">Synopsis
</a></h3>
18 <pre class=
"literal-block">
23 , typename In =
<em>unspecified
</em>
25 struct
<a href=
"./replace.html" class=
"identifier">replace
</a>
27 typedef
<em>unspecified
</em> type;
31 <div class=
"section" id=
"id643">
32 <h3><a class=
"subsection-title" href=
"#description" name=
"description">Description
</a></h3>
33 <p>Returns a copy of the original sequence where every type identical to
<tt class=
"literal"><span class=
"pre">OldType
</span></tt>
34 has been replaced with
<tt class=
"literal"><span class=
"pre">NewType
</span></tt>.
</p>
35 <p>[
<em>Note:
</em> This wording applies to a no-inserter version(s) of the algorithm. See the
36 <cite>Expression semantics
</cite> subsection for a precise specification of the algorithm's
37 details in all cases —
<em>end note
</em>]
</p>
39 <div class=
"section" id=
"id644">
40 <h3><a class=
"subsection-title" href=
"#header" name=
"header">Header
</a></h3>
41 <pre class=
"literal-block">
42 #include
<<a href=
"../../../../boost/mpl/replace.hpp" class=
"header">boost/mpl/replace.hpp
</a>>
45 <div class=
"section" id=
"id645">
46 <h3><a class=
"subsection-title" href=
"#model-of" name=
"model-of">Model of
</a></h3>
47 <p><a class=
"reference internal" href=
"./reversible-algorithm.html">Reversible Algorithm
</a></p>
49 <div class=
"section" id=
"id646">
50 <h3><a class=
"subsection-title" href=
"#parameters" name=
"parameters">Parameters
</a></h3>
51 <table border=
"1" class=
"docutils table">
57 <thead valign=
"bottom">
58 <tr><th class=
"head">Parameter
</th>
59 <th class=
"head">Requirement
</th>
60 <th class=
"head">Description
</th>
64 <tr><td><tt class=
"literal"><span class=
"pre">Sequence
</span></tt></td>
65 <td><a class=
"reference internal" href=
"./forward-sequence.html">Forward Sequence
</a></td>
66 <td>A original sequence.
</td>
68 <tr><td><tt class=
"literal"><span class=
"pre">OldType
</span></tt></td>
70 <td>A type to be replaced.
</td>
72 <tr><td><tt class=
"literal"><span class=
"pre">NewType
</span></tt></td>
74 <td>A type to replace with.
</td>
76 <tr><td><tt class=
"literal"><span class=
"pre">In
</span></tt></td>
77 <td><a class=
"reference internal" href=
"./inserter.html">Inserter
</a></td>
83 <div class=
"section" id=
"id647">
84 <h3><a class=
"subsection-title" href=
"#expression-semantics" name=
"expression-semantics">Expression semantics
</a></h3>
85 <p>The semantics of an expression are defined only
86 where they differ from, or are not defined in
<a class=
"reference internal" href=
"./reversible-algorithm.html">Reversible Algorithm
</a>.
</p>
87 <p>For any
<a class=
"reference internal" href=
"./forward-sequence.html">Forward Sequence
</a> <tt class=
"literal"><span class=
"pre">s
</span></tt>, an
<a class=
"reference internal" href=
"./inserter.html">Inserter
</a> <tt class=
"literal"><span class=
"pre">in
</span></tt>, and arbitrary types
<tt class=
"literal"><span class=
"pre">x
</span></tt> and
<tt class=
"literal"><span class=
"pre">y
</span></tt>:
</p>
88 <pre class=
"literal-block">
89 typedef
<a href=
"./replace.html" class=
"identifier">replace
</a><s,x,y,in
>::type r;
91 <table class=
"docutils field-list" frame=
"void" rules=
"none">
92 <col class=
"field-name" />
93 <col class=
"field-body" />
95 <tr class=
"field"><th class=
"field-name">Return type:
</th><td class=
"field-body"><p class=
"first">A type.
</p>
98 <tr class=
"field"><th class=
"field-name">Semantics:
</th><td class=
"field-body"><p class=
"first">Equivalent to
</p>
99 <pre class=
"last literal-block">
100 typedef
<a href=
"./replace-if.html" class=
"identifier">replace_if
</a>< s,y,is_same
<_,x
>,in
>::type r;
107 <div class=
"section" id=
"id648">
108 <h3><a class=
"subsection-title" href=
"#complexity" name=
"complexity">Complexity
</a></h3>
109 <p>Linear. Performs exactly
<tt class=
"literal"><span class=
"pre"><a href=
"./size.html" class=
"identifier">size
</a><s
>::value
</span></tt> comparisons for
110 identity / insertions.
</p>
112 <div class=
"section" id=
"id649">
113 <h3><a class=
"subsection-title" href=
"#example" name=
"example">Example
</a></h3>
114 <pre class=
"literal-block">
115 typedef
<a href=
"./vector.html" class=
"identifier">vector
</a><int,float,char,float,float,double
> types;
116 typedef
<a href=
"./vector.html" class=
"identifier">vector
</a><int,double,char,double,double,double
> expected;
117 typedef
<a href=
"./replace.html" class=
"identifier">replace
</a>< types,float,double
>::type result;
119 <a href=
"./assert.html" class=
"identifier">BOOST_MPL_ASSERT
</a>((
<a href=
"./equal.html" class=
"identifier">equal
</a>< result,expected
> ));
122 <div class=
"section" id=
"id650">
123 <h3><a class=
"subsection-title" href=
"#see-also" name=
"see-also">See also
</a></h3>
124 <p><a class=
"reference internal" href=
"./transformation-algorithms.html">Transformation Algorithms
</a>,
<a class=
"reference internal" href=
"./reversible-algorithm.html">Reversible Algorithm
</a>,
<a class=
"reference internal" href=
"./reverse-replace.html">reverse_replace
</a>,
<a class=
"reference internal" href=
"./replace-if.html">replace_if
</a>,
<a class=
"reference internal" href=
"./remove.html">remove
</a>,
<a class=
"reference internal" href=
"./transform.html">transform
</a></p>
125 <!-- Algorithms/Transformation Algorithms//replace_if |50 -->
129 <div class=
"footer-separator"></div>
130 <table class=
"footer"><tr class=
"footer"><td class=
"header-group navigation-bar"><span class=
"navigation-group"><a href=
"./transform.html" class=
"navigation-link">Prev
</a> <a href=
"./replace-if.html" class=
"navigation-link">Next
</a></span><span class=
"navigation-group-separator"> |
</span><span class=
"navigation-group"><a href=
"./transform.html" class=
"navigation-link">Back
</a> <a href=
"./replace-if.html" class=
"navigation-link">Along
</a></span><span class=
"navigation-group-separator"> |
</span><span class=
"navigation-group"><a href=
"./transformation-algorithms.html" class=
"navigation-link">Up
</a> <a href=
"../refmanual.html" class=
"navigation-link">Home
</a></span><span class=
"navigation-group-separator"> |
</span><span class=
"navigation-group"><a href=
"./refmanual_toc.html" class=
"navigation-link">Full TOC
</a></span></td>
131 <td><div class=
"copyright-footer"><div class=
"copyright">Copyright ©
2001-
2009 Aleksey Gurtovoy and David Abrahams
</div>
132 Distributed under the Boost Software License, Version
1.0. (See accompanying
133 file LICENSE_1_0.txt or copy at
<a class=
"reference external" href=
"http://www.boost.org/LICENSE_1_0.txt" target=
"_top">http://www.boost.org/LICENSE_1_0.txt
</a>)
</div></td></tr></table></body>