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< a name = "fusion.sequence.intrinsic.metafunctions.back" > < / a > < a href = "back.html" title = "back" > back< / a > < / h5 > < / div > < / div > < / div >
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< a href = "back.html#fusion.sequence.intrinsic.metafunctions.back.description" > Description< / a >
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Returns the result type of < a href = "../functions/back.html" title = "back" > < tt class = "computeroutput" > < span class = "identifier" > back< / span > < / tt > < / a > .
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< a href = "back.html#fusion.sequence.intrinsic.metafunctions.back.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" > Seq< / span > < span class = "special" > > < / span >
< span class = "keyword" > struct< / span > < span class = "identifier" > back< / 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 >
< / pre >
< div class = "table" >
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< a name = "id511552" > < / a > < p class = "title" > < b > Table<EFBFBD> 1.23.<2E> Parameters< / b > < / p >
< table class = "table" summary = "Parameters" >
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Parameter
< / p >
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< p >
Requirement
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< th >
< p >
Description
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< p >
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< tt class = "computeroutput" > < span class = "identifier" > Seq< / span > < / tt >
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< / p >
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< td >
< p >
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A model of < a href = "../../concepts/forward_sequence.html" title = "Forward
Sequence">Forward
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Sequence< / a >
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Argument sequence
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< a name = "fusion.sequence.intrinsic.metafunctions.back.expression_semantics" > < / a > < h6 >
< a name = "id511653" > < / a >
< a href = "back.html#fusion.sequence.intrinsic.metafunctions.back.expression_semantics" > Expression
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Semantics< / a >
< / h6 >
< pre class = "programlisting" >
< span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > back< / span > < span class = "special" > < < / span > < span class = "identifier" > Seq< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span >
< / pre >
< p >
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< span class = "bold" > < b > Return type< / b > < / span > : Any type
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< / p >
< p >
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< span class = "bold" > < b > Semantics< / b > < / span > : The type returned by dereferencing
an iterator to the last element in the sequence. Equivalent to < tt class = "computeroutput" > < a href = "../../../iterator/metafunctions/deref.html" title = "deref" > < tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > deref< / span > < / tt > < / a > < span class = "special" > < < / span > < a href = "../../../iterator/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 > < a href = "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" > Seq< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < / tt > .
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< / p >
< p >
/sequence/intrinsic/back.hpp>
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< a name = "fusion.sequence.intrinsic.metafunctions.back.example" > < / a > < h6 >
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< a name = "id511886" > < / a >
< a href = "back.html#fusion.sequence.intrinsic.metafunctions.back.example" > Example< / a >
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< / h6 >
< 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" > char< / span > < span class = "special" > > < / span > < span class = "identifier" > vec< / span > < span class = "special" > ;< / span >
< span class = "identifier" > BOOST_MPL_ASSERT< / span > < span class = "special" > ((< / span > < span class = "identifier" > boost< / span > < span class = "special" > ::< / span > < span class = "identifier" > is_same< / span > < span class = "special" > < < / span > < a href = "back.html" title = "back" > < tt class = "computeroutput" > < span class = "identifier" > result_of< / span > < span class = "special" > ::< / span > < span class = "identifier" > back< / span > < / tt > < / a > < span class = "special" > < < / span > < span class = "identifier" > vec< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < span class = "special" > ,< / span > < span class = "keyword" > char< / span > < span class = "special" > & > ));< / span >
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< td align = "right" > < div class = "copyright-footer" > 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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