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< title > The MPL Reference Manual: reverse_replace_if< / title >
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< 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 = "./reverse-replace-if.html" class = "navigation-link" > reverse_replace_if< / a > < / td >
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< div class = "section" id = "reverse-replace-if" >
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< h1 > < a class = "toc-backref" href = "./transformation-algorithms.html#id1502" > reverse_replace_if< / a > < / h1 >
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< div class = "section" id = "id758" >
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< h3 > < a class = "subsection-title" href = "#synopsis" name = "synopsis" > Synopsis< / a > < / h3 >
< pre class = "literal-block" >
template<
typename Sequence
, typename Pred
, typename In = < em > unspecified< / em >
>
struct < a href = "./reverse-replace-if.html" class = "identifier" > reverse_replace_if< / a >
{
typedef < em > unspecified< / em > type;
};
< / pre >
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< h3 > < a class = "subsection-title" href = "#description" name = "description" > Description< / a > < / h3 >
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< p > Returns a reversed copy of the original sequence where every type that satisfies
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the predicate < tt class = "literal" > < span class = "pre" > Pred< / span > < / tt > has been replaced with < tt class = "literal" > < span class = "pre" > NewType< / span > < / tt > .< / p >
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< p > [< em > Note:< / em > This wording applies to a no-inserter version(s) of the algorithm. See the
< cite > Expression semantics< / cite > subsection for a precise specification of the algorithm's
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details in all cases — < em > end note< / em > ]< / p >
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< div class = "section" id = "id760" >
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< h3 > < a class = "subsection-title" href = "#header" name = "header" > Header< / a > < / h3 >
< pre class = "literal-block" >
#include < < a href = "../../../../boost/mpl/replace_if.hpp" class = "header" > boost/mpl/replace_if.hpp< / a > >
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< h3 > < a class = "subsection-title" href = "#model-of" name = "model-of" > Model of< / a > < / h3 >
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< p > < a class = "reference internal" href = "./reversible-algorithm.html" > Reversible Algorithm< / a > < / p >
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< / div >
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< div class = "section" id = "id762" >
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< h3 > < a class = "subsection-title" href = "#parameters" name = "parameters" > Parameters< / a > < / h3 >
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< tr > < th class = "head" > Parameter< / th >
< th class = "head" > Requirement< / th >
< th class = "head" > Description< / th >
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< tr > < td > < tt class = "literal" > < span class = "pre" > Sequence< / span > < / tt > < / td >
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< td > < a class = "reference internal" href = "./forward-sequence.html" > Forward Sequence< / a > < / td >
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< td > An original sequence.< / td >
< / tr >
< tr > < td > < tt class = "literal" > < span class = "pre" > Pred< / span > < / tt > < / td >
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< td > Unary < a class = "reference internal" href = "./lambda-expression.html" > Lambda Expression< / a > < / td >
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< td > A replacement condition.< / td >
< / tr >
< tr > < td > < tt class = "literal" > < span class = "pre" > NewType< / span > < / tt > < / td >
< td > Any type< / td >
< td > A type to replace with.< / td >
< / tr >
< tr > < td > < tt class = "literal" > < span class = "pre" > In< / span > < / tt > < / td >
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< td > < a class = "reference internal" href = "./inserter.html" > Inserter< / a > < / td >
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< td > An inserter.< / td >
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< div class = "section" id = "id763" >
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< h3 > < a class = "subsection-title" href = "#expression-semantics" name = "expression-semantics" > Expression semantics< / a > < / h3 >
< p > The semantics of an expression are defined only
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where they differ from, or are not defined in < a class = "reference internal" href = "./reversible-algorithm.html" > Reversible Algorithm< / a > .< / p >
< p > For any < a class = "reference internal" href = "./forward-sequence.html" > Forward Sequence< / a > < tt class = "literal" > < span class = "pre" > s< / span > < / tt > , an unary < a class = "reference internal" href = "./lambda-expression.html" > Lambda Expression< / a > < tt class = "literal" > < span class = "pre" > pred< / span > < / tt > ,
an < a class = "reference internal" href = "./inserter.html" > Inserter< / a > < tt class = "literal" > < span class = "pre" > in< / span > < / tt > , and arbitrary type < tt class = "literal" > < span class = "pre" > x< / span > < / tt > :< / p >
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< pre class = "literal-block" >
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typedef < a href = "./reverse-replace-if.html" class = "identifier" > reverse_replace_if< / a > < s,pred,x,in> ::type r;
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< / pre >
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< table class = "docutils field-list" frame = "void" rules = "none" >
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< col class = "field-name" / >
< col class = "field-body" / >
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< tr class = "field" > < th class = "field-name" > Return type:< / th > < td class = "field-body" > < p class = "first" > A type.< / p >
< / td >
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< / tr >
< tr class = "field" > < th class = "field-name" > Semantics:< / th > < td class = "field-body" > < p class = "first" > Equivalent to< / p >
< pre class = "last literal-block" >
typedef < a href = "./lambda.html" class = "identifier" > lambda< / a > < pred> ::type p;
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typedef < a href = "./reverse-transform.html" class = "identifier" > reverse_transform< / a > < s, < a href = "./if.html" class = "identifier" > if_< / a > < apply_wrap1< p,< a href = "./placeholders.html" class = "identifier" > _1< / a > > ,x,< a href = "./placeholders.html" class = "identifier" > _1< / a > > , in > ::type r;
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< / pre >
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< div class = "section" id = "id764" >
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< h3 > < a class = "subsection-title" href = "#complexity" name = "complexity" > Complexity< / a > < / h3 >
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< p > Linear. Performs exactly < tt class = "literal" > < span class = "pre" > < a href = "./size.html" class = "identifier" > size< / a > < s> ::value< / span > < / tt > applications of < tt class = "literal" > < span class = "pre" > pred< / span > < / tt > , and at most
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< tt class = "literal" > < span class = "pre" > < a href = "./size.html" class = "identifier" > size< / a > < s> ::value< / span > < / tt > insertions.< / p >
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< h3 > < a class = "subsection-title" href = "#example" name = "example" > Example< / a > < / h3 >
< pre class = "literal-block" >
typedef < a href = "./vector-c.html" class = "identifier" > vector_c< / a > < int,1,4,5,2,7,5,3,5> numbers;
typedef < a href = "./vector-c.html" class = "identifier" > vector_c< / a > < int,1,4,0,2,0,0,3,0> expected;
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typedef < a href = "./reverse-replace-if.html" class = "identifier" > reverse_replace_if< / a > <
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numbers
, < a href = "./greater.html" class = "identifier" > greater< / a > < _, < a href = "./int.html" class = "identifier" > int_< / a > < 4> >
, < a href = "./int.html" class = "identifier" > int_< / a > < 0>
, < a href = "./front-inserter.html" class = "identifier" > front_inserter< / a > < < a href = "./vector.html" class = "identifier" > vector< / a > < > >
> ::type result;
< a href = "./assert.html" class = "identifier" > BOOST_MPL_ASSERT< / a > (( < a href = "./equal.html" class = "identifier" > equal< / a > < result,expected, < a href = "./equal-to.html" class = "identifier" > equal_to< / a > < _,_> > ));
< / pre >
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< div class = "section" id = "id766" >
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< h3 > < a class = "subsection-title" href = "#see-also" name = "see-also" > See also< / a > < / h3 >
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< 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 = "./replace-if.html" > replace_if< / a > , < a class = "reference internal" href = "./reverse-replace.html" > reverse_replace< / a > , < a class = "reference internal" href = "./remove-if.html" > remove_if< / a > , < a class = "reference internal" href = "./transform.html" > transform< / a > < / p >
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<!-- Algorithms/Transformation Algorithms//reverse_remove |160 -->
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< td > < div class = "copyright-footer" > < div class = "copyright" > Copyright © 2001-2009 Aleksey Gurtovoy and David Abrahams< / div >
Distributed under the Boost Software License, Version 1.0. (See accompanying
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