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< a name = "fusion.iterator.metafunctions.equal_to" > < / a > < a href = "equal_to.html" title = "equal_to" > equal_to< / a > < / h4 > < / div > < / div > < / div >
< a name = "fusion.iterator.metafunctions.equal_to.description" > < / a > < h5 >
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< a name = "id483797" > < / a >
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< a href = "equal_to.html#fusion.iterator.metafunctions.equal_to.description" > Description< / a >
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Returns a true-valued < a href = "http://www.boost.org/libs/mpl/doc/refmanual/integral-constant.html" target = "_top" > MPL
Integral Constant< / a > if < tt class = "computeroutput" > < span class = "identifier" > I< / span > < / tt >
and < tt class = "computeroutput" > < span class = "identifier" > J< / span > < / tt > are equal.
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< a name = "fusion.iterator.metafunctions.equal_to.synopsis" > < / a > < h5 >
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< a name = "id483860" > < / a >
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< a href = "equal_to.html#fusion.iterator.metafunctions.equal_to.synopsis" > Synopsis< / a >
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< pre class = "programlisting" >
< span class = "keyword" > template< / span > < span class = "special" > < < / span >
< span class = "keyword" > typename< / span > < span class = "identifier" > I< / span > < span class = "special" > ,< / span >
< span class = "keyword" > typename< / span > < span class = "identifier" > J< / span >
< span class = "special" > > < / span >
< span class = "keyword" > struct< / span > < span class = "identifier" > equal_to< / span >
< span class = "special" > {< / span >
< span class = "keyword" > typedef< / span > < span class = "emphasis" > < em > unspecified< / em > < / span > < span class = "identifier" > type< / span > < span class = "special" > ;< / span >
< span class = "special" > };< / span >
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< a name = "id483977" > < / a > < p class = "title" > < b > Table<EFBFBD> 1.15.<2E> Parameters< / b > < / p >
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< table class = "table" summary = "Parameters" >
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< col >
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Parameter
< / p >
< / th >
< th >
< p >
Requirement
< / p >
< / th >
< th >
< p >
Description
< / p >
< / th >
< / tr > < / thead >
< tbody > < tr >
< td >
< p >
< tt class = "computeroutput" > < span class = "identifier" > I< / span > < / tt > , < tt class = "computeroutput" > < span class = "identifier" > J< / span > < / tt >
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Any fusion iterators
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Operation's arguments
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< a name = "fusion.iterator.metafunctions.equal_to.expression_semantics" > < / a > < h5 >
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< a name = "id484081" > < / a >
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< a href = "equal_to.html#fusion.iterator.metafunctions.equal_to.expression_semantics" > Expression
Semantics< / a >
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< pre class = "programlisting" >
< a href = "equal_to.html" title = "equal_to" > < tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > equal_to< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "identifier" > I< / span > < span class = "special" > ,< / span > < span class = "identifier" > J< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span >
< / pre >
< p >
< span class = "bold" > < b > Return type< / b > < / span > : A model of < a href = "http://www.boost.org/libs/mpl/doc/refmanual/integral-constant.html" target = "_top" > MPL
Integral Constant< / a > .
< / p >
< p >
< span class = "bold" > < b > Semantics< / b > < / span > : Returns < tt class = "computeroutput" > < span class = "identifier" > boost< / span > < span class = "special" > ::< / span > < span class = "identifier" > mpl< / span > < span class = "special" > ::< / span > < span class = "identifier" > true_< / span > < / tt >
if < tt class = "computeroutput" > < span class = "identifier" > I< / span > < / tt > and < tt class = "computeroutput" > < span class = "identifier" > J< / span > < / tt > are iterators to the same position.
Returns < tt class = "computeroutput" > < span class = "identifier" > boost< / span > < span class = "special" > ::< / span > < span class = "identifier" > mpl< / span > < span class = "special" > ::< / span > < span class = "identifier" > false_< / span > < / tt > otherwise.
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/iterator/equal_to.hpp>
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< a name = "fusion.iterator.metafunctions.equal_to.example" > < / a > < h5 >
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< a name = "id484294" > < / a >
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< a href = "equal_to.html#fusion.iterator.metafunctions.equal_to.example" > Example< / a >
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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" > double< / span > < span class = "special" > > < / span > < span class = "identifier" > vec< / span > < span class = "special" > ;< / span >
< span class = "keyword" > typedef< / span > < a href = "../../sequence/intrinsic/metafunctions/begin.html" title = "begin" > < tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > begin< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "identifier" > vec< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < span class = "identifier" > first< / span > < span class = "special" > ;< / span >
< span class = "keyword" > typedef< / span > < a href = "../../sequence/intrinsic/metafunctions/end.html" title = "end" > < tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > end< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "identifier" > vec< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < span class = "identifier" > last< / span > < span class = "special" > ;< / span >
< span class = "identifier" > BOOST_MPL_ASSERT< / span > < span class = "special" > ((< / span > < a href = "equal_to.html" title = "equal_to" > < tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > equal_to< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "identifier" > first< / span > < span class = "special" > ,< / span > < span class = "identifier" > first< / span > < span class = "special" > > ));< / span >
< span class = "identifier" > BOOST_MPL_ASSERT_NOT< / span > < span class = "special" > ((< / span > < a href = "equal_to.html" title = "equal_to" > < tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > equal_to< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "identifier" > first< / span > < span class = "special" > ,< / span > < span class = "identifier" > last< / span > < span class = "special" > > ));< / span >
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< td align = "right" > < div class = "copyright-footer" > < small > Copyright <20> 2001-2007 Joel de Guzman, Dan Marsden, Tobias
Schwinger< p >
Distributed under the Boost Software License, Version 1.0. (See accompanying
file LICENSE_1_0.txt or copy at < a href = "http://www.boost.org/LICENSE_1_0.txt" target = "_top" > http://www.boost.org/LICENSE_1_0.txt< / a > )
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