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< div class = "section range_concepts_forward_range" >
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< a name = "range.concepts.forward_range" ></ a >< a class = "link" href = "forward_range.html" title = "Forward Range" > Forward Range</ a >
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< span >< a name = "range.concepts.forward_range.notation" ></ a ></ span >< a class = "link" href = "forward_range.html#range.concepts.forward_range.notation" > Notation</ a >
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< code class = "computeroutput" >< span class = "identifier" > X</ span ></ code >
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A type that is a model of < a class = "link" href = "forward_range.html" title = "Forward Range" > Forward
Range</ a > .
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< code class = "computeroutput" >< span class = "identifier" > a</ span ></ code >
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Object of type X.
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< span >< a name = "range.concepts.forward_range.description" ></ a ></ span >< a class = "link" href = "forward_range.html#range.concepts.forward_range.description" > Description</ a >
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A range < code class = "computeroutput" >< span class = "identifier" > X</ span ></ code > where < code class = "computeroutput" >< span class = "identifier" > boost</ span >< span class = "special" > ::</ span >< span class = "identifier" > range_iterator</ span >< span class = "special" > < </ span >< span class = "identifier" > X</ span >< span class = "special" > > ::</ span >< span class = "identifier" > type</ span ></ code > is a model of < a href = "../../../../../../libs/iterator/doc/new-iter-concepts.html#forward-traversal-iterators-lib-forward-traversal-iterators" target = "_top" > Forward
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Traversal Iterator</ a > .
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< span >< a name = "range.concepts.forward_range.refinement_of" ></ a ></ span >< a class = "link" href = "forward_range.html#range.concepts.forward_range.refinement_of" > Refinement
of</ a >
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< a class = "link" href = "single_pass_range.html" title = "Single Pass Range" > Single Pass Range</ a >
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< a name = "range.concepts.forward_range.h3" ></ a >
< span >< a name = "range.concepts.forward_range.associated_types" ></ a ></ span >< a class = "link" href = "forward_range.html#range.concepts.forward_range.associated_types" > Associated
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types</ a >
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Distance type
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< code class = "computeroutput" >< span class = "identifier" > boost</ span >< span class = "special" > ::</ span >< span class = "identifier" > range_difference</ span >< span class = "special" > < </ span >< span class = "identifier" > X</ span >< span class = "special" > > ::</ span >< span class = "identifier" > type</ span ></ code >
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A signed integral type used to represent the distance between two
of the Range's iterators. This type must be the same as the iterator's
distance type.
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Size type
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< code class = "computeroutput" >< span class = "identifier" > boost</ span >< span class = "special" > ::</ span >< span class = "identifier" > range_size</ span >< span class = "special" > < </ span >< span class = "identifier" > X</ span >< span class = "special" > > ::</ span >< span class = "identifier" > type</ span ></ code >
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An unsigned integral type that can represent any nonnegative value
of the Range's distance type.
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< span >< a name = "range.concepts.forward_range.see_also" ></ a ></ span >< a class = "link" href = "forward_range.html#range.concepts.forward_range.see_also" > See
also</ a >
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< a class = "link" href = "../reference/concept_implementation/semantics/metafunctions.html" title = "Metafunctions" > Implementation
of metafunctions</ a >
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< a class = "link" href = "../reference/concept_implementation/semantics/functions.html" title = "Functions" > Implementation
of functions</ a >
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< td align = "right" >< div class = "copyright-footer" > Copyright © 2003-2010 Thorsten Ottosen,
Neil Groves< p >
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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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