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< title > Bidirectional
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< a name = "fusion.sequence.concepts.bidirectional_sequence" > < / a > < a href = "bidirectional_sequence.html" title = "Bidirectional
Sequence">Bidirectional
Sequence< / a > < / h4 > < / div > < / div > < / div >
< a name = "fusion.sequence.concepts.bidirectional_sequence.description" > < / a > < h5 >
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< a name = "id490097" > < / a >
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< a href = "bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.description" > Description< / a >
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A Bidirectional Sequence is a < a href = "forward_sequence.html" title = "Forward
Sequence">Forward
Sequence< / a > whose iterators model < a href = "../../iterator/concepts/bidirectional_iterator.html" title = "Bidirectional
Iterator">Bidirectional
Iterator< / a > .
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< a name = "fusion.sequence.concepts.bidirectional_sequence.refinement_of" > < / a > < h5 >
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< a name = "id490147" > < / a >
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< a href = "bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.refinement_of" > Refinement
of< / a >
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< a href = "forward_sequence.html" title = "Forward
Sequence">Forward Sequence< / a >
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< p class = "title" > < b > Notation< / b > < / p >
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< dt > < span class = "term" > < tt class = "computeroutput" > < span class = "identifier" > s< / span > < / tt > < / span > < / dt >
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A Forward Sequence
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< dt > < span class = "term" > < tt class = "computeroutput" > < span class = "identifier" > S< / span > < / tt > < / span > < / dt >
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A Forward Sequence type
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< dt > < span class = "term" > < tt class = "computeroutput" > < span class = "identifier" > o< / span > < / tt > < / span > < / dt >
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An arbitrary object
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< dt > < span class = "term" > < tt class = "computeroutput" > < span class = "identifier" > e< / span > < / tt > < / span > < / dt >
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A Sequence element
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< a name = "fusion.sequence.concepts.bidirectional_sequence.valid_expressions" > < / a > < h5 >
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< a name = "id490287" > < / a >
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< a href = "bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.valid_expressions" > Valid
Expressions< / a >
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In addition to the requirements defined in < a href = "forward_sequence.html" title = "Forward
Sequence">Forward
Sequence< / a > , for any Bidirectional Sequence the following must be met:
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Expression
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Return type
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Type Requirements
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Runtime Complexity
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< tt class = "computeroutput" > < a href = "../intrinsic/functions/begin.html" title = "begin" > < tt class = "computeroutput" > < span class = "identifier" > begin< / span > < / tt > < / a > < span class = "special" > (< / span > < span class = "identifier" > s< / span > < span class = "special" > )< / span > < / tt >
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< a href = "../../iterator/concepts/bidirectional_iterator.html" title = "Bidirectional
Iterator">Bidirectional
Iterator< / a >
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Constant
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< tt class = "computeroutput" > < a href = "../intrinsic/functions/end.html" title = "end" > < tt class = "computeroutput" > < span class = "identifier" > end< / span > < / tt > < / a > < span class = "special" > (< / span > < span class = "identifier" > s< / span > < span class = "special" > )< / span > < / tt >
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< a href = "../../iterator/concepts/bidirectional_iterator.html" title = "Bidirectional
Iterator">Bidirectional
Iterator< / a >
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Constant
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< tt class = "computeroutput" > < a href = "../intrinsic/functions/back.html" title = "back" > < tt class = "computeroutput" > < span class = "identifier" > back< / span > < / tt > < / a > < span class = "special" > (< / span > < span class = "identifier" > s< / span > < span class = "special" > )< / span > < / tt >
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Any type
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Constant
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< tt class = "computeroutput" > < a href = "../intrinsic/functions/back.html" title = "back" > < tt class = "computeroutput" > < span class = "identifier" > back< / span > < / tt > < / a > < span class = "special" > (< / span > < span class = "identifier" > s< / span > < span class = "special" > )< / span >
< span class = "special" > =< / span > < span class = "identifier" > o< / span > < / tt >
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Any type
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< tt class = "computeroutput" > < span class = "identifier" > s< / span > < / tt > is mutable and
< tt class = "computeroutput" > < span class = "identifier" > e< / span > < span class = "special" > =< / span >
< span class = "identifier" > o< / span > < / tt > , where < tt class = "computeroutput" > < span class = "identifier" > e< / span > < / tt > is the first element in the
sequence, is a valid expression.
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Constant
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< a name = "fusion.sequence.concepts.bidirectional_sequence.result_type_expressions" > < / a > < h5 >
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< a name = "id490727" > < / a >
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< a href = "bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.result_type_expressions" > Result
Type Expressions< / a >
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Expression
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Compile Time Complexity
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< tt class = "computeroutput" > < a href = "../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" > S< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < / tt >
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Amortized constant time
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< tt class = "computeroutput" > < a href = "../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" > S< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < / tt >
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Amortized constant time
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< tt class = "computeroutput" > < a href = "../intrinsic/metafunctions/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" > S< / span > < span class = "special" > > ::< / span > < span class = "identifier" > type< / span > < / tt >
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Amortized constant time
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< a name = "fusion.sequence.concepts.bidirectional_sequence.expression_semantics" > < / a > < h5 >
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< a name = "id491004" > < / a >
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< a href = "bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.expression_semantics" > Expression
Semantics< / a >
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The semantics of an expression are defined only where they differ from,
or are not defined in < a href = "forward_sequence.html" title = "Forward
Sequence">Forward
Sequence< / a > .
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< div class = "informaltable" > < table class = "table" >
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Expression
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Semantics
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< tt class = "computeroutput" > < a href = "../intrinsic/functions/back.html" title = "back" > < tt class = "computeroutput" > < span class = "identifier" > back< / span > < / tt > < / a > < span class = "special" > (< / span > < span class = "identifier" > s< / span > < span class = "special" > )< / span > < / tt >
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The last element in the sequence; see < a href = "../intrinsic/functions/back.html" title = "back" > < tt class = "computeroutput" > < span class = "identifier" > back< / span > < / tt > < / a > .
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< a name = "fusion.sequence.concepts.bidirectional_sequence.models" > < / a > < h5 >
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< a name = "id491157" > < / a >
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< a href = "bidirectional_sequence.html#fusion.sequence.concepts.bidirectional_sequence.models" > Models< / a >
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< div class = "itemizedlist" > < ul type = "disc" >
< li > < a href = "../../adapted/std__pair.html" title = "std::pair" > < tt class = "computeroutput" > < span class = "identifier" > std< / span > < span class = "special" > ::< / span > < span class = "identifier" > pair< / span > < / tt > < / a > < / li >
< li > < a href = "../../adapted/boost__array.html" title = "boost::array" > < tt class = "computeroutput" > < span class = "identifier" > boost< / span > < span class = "special" > ::< / span > < span class = "identifier" > array< / span > < / tt > < / a > < / li >
< li > < a href = "../../container/vector.html" title = "vector" > < tt class = "computeroutput" > < span class = "identifier" > vector< / span > < / tt > < / a > < / li >
< li > < a href = "../../view/reverse_view.html" title = "reverse_view" > < tt class = "computeroutput" > < span class = "identifier" > reverse_view< / span > < / tt > < / a > < / li >
< li >
< a href = "../../view/iterator_range.html" title = "iterator_range" > < tt class = "computeroutput" > < span class = "identifier" > iterator_range< / span > < / tt > < / a >
(where adapted sequence is a Bidirectional Sequence)
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< a href = "../../view/transform_view.html" title = "transform_view" > < tt class = "computeroutput" > < span class = "identifier" > transform_view< / span > < / tt > < / a >
(where adapted sequence is a Bidirectional Sequence)
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< a href = "../../view/zip_view.html" title = "zip_view" > < tt class = "computeroutput" > < span class = "identifier" > zip_view< / span > < / tt > < / a >
(where adapted sequences are models Bidirectional Sequence)
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< table xmlns:rev = "http://www.cs.rpi.edu/~gregod/boost/tools/doc/revision" width = "100%" > < tr >
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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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