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< title > The MPL Reference Manual: iterator_range</ title >
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< table class = "header" >< tr class = "header" >< td class = "header-group navigation-bar" >< span class = "navigation-group" >< a href = "./filter-view.html" class = "navigation-link" > Prev</ a > < a href = "./joint-view.html" class = "navigation-link" > Next</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./filter-view.html" class = "navigation-link" > Back</ a > < a href = "./joint-view.html" class = "navigation-link" > Along</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./views.html" class = "navigation-link" > Up</ a > < a href = "../refmanual.html" class = "navigation-link" > Home</ a ></ span >< span class = "navigation-group-separator" > | </ span >< span class = "navigation-group" >< a href = "./refmanual_toc.html" class = "navigation-link" > Full TOC</ a ></ span ></ td >
< td class = "header-group page-location" >< a href = "../refmanual.html" class = "navigation-link" > Front Page</ a > / < a href = "./sequences.html" class = "navigation-link" > Sequences</ a > / < a href = "./views.html" class = "navigation-link" > Views</ a > / < a href = "./iterator-range.html" class = "navigation-link" > iterator_range</ a ></ td >
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< div class = "section" id = "iterator-range" >
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< h1 >< a class = "toc-backref" href = "./views.html#id1419" > iterator_range</ a ></ h1 >
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< div class = "section" id = "id133" >
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< h3 >< a class = "subsection-title" href = "#synopsis" name = "synopsis" > Synopsis</ a ></ h3 >
< pre class = "literal-block" >
template<
typename First
, typename Last
>
struct < a href = "./iterator-range.html" class = "identifier" > iterator_range</ a >
{
// < em > unspecified</ em >
// < em > ...</ em >
};
</ pre >
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< div class = "section" id = "id134" >
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< h3 >< a class = "subsection-title" href = "#description" name = "description" > Description</ a ></ h3 >
< p > A view into subset of sequence elements identified by a pair of iterators.</ p >
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< div class = "section" id = "id135" >
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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/fold.hpp" class = "header" > boost/mpl/fold.hpp</ a > >
</ pre >
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< div class = "section" id = "id136" >
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< h3 >< a class = "subsection-title" href = "#model-of" name = "model-of" > Model of</ a ></ h3 >
< ul class = "simple" >
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< li >< a class = "reference internal" href = "./forward-sequence.html" > Forward</ a > , < a class = "reference internal" href = "./bidirectional-sequence.html" > Bidirectional</ a > , or < a class = "reference internal" href = "./random-access-sequence.html" > Random Access Sequence</ a > , depending on the category
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of the underlaying iterators.</ li >
</ ul >
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< div class = "section" id = "id139" >
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< h3 >< a class = "subsection-title" href = "#parameters" name = "parameters" > Parameters</ a ></ h3 >
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< table border = "1" class = "docutils table" >
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< colgroup >
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< thead valign = "bottom" >
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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 >
</ thead >
< tbody valign = "top" >
< tr >< td >< tt class = "literal" >< span class = "pre" > First</ span ></ tt > ,
< tt class = "literal" >< span class = "pre" > Last</ span ></ tt ></ td >
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< td >< a class = "reference internal" href = "./forward-iterator.html" > Forward Iterator</ a ></ td >
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< td > Iterators identifying the view's boundaries.</ td >
</ tr >
</ tbody >
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< div class = "section" id = "id140" >
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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 = "./forward-sequence.html" > Forward Sequence</ a > .</ p >
< p > In the following table, < tt class = "literal" >< span class = "pre" > v</ span ></ tt > is an instance of < tt class = "literal" >< span class = "pre" >< a href = "./iterator-range.html" class = "identifier" > iterator_range</ a ></ span ></ tt > , < tt class = "literal" >< span class = "pre" > first</ span ></ tt > and < tt class = "literal" >< span class = "pre" > last</ span ></ tt > are
iterators into a < a class = "reference internal" href = "./forward-sequence.html" > Forward Sequence</ a > , and [< tt class = "literal" >< span class = "pre" > first</ span ></ tt > , < tt class = "literal" >< span class = "pre" > last</ span ></ tt > ) form a valid range.</ p >
< table border = "1" class = "docutils table" >
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< colgroup >
< col width = "44%" />
< col width = "56%" />
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< thead valign = "bottom" >
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< tr >< th class = "head" > Expression</ th >
< th class = "head" > Semantics</ th >
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</ tr >
</ thead >
< tbody valign = "top" >
< tr >< td >< pre class = "first last literal-block" >
< a href = "./iterator-range.html" class = "identifier" > iterator_range</ a > < first,last>
< a href = "./iterator-range.html" class = "identifier" > iterator_range</ a > < first,last> ::type
</ pre >
</ td >
< td > A lazy sequence all the elements in the range
[< tt class = "literal" >< span class = "pre" > first</ span ></ tt > , < tt class = "literal" >< span class = "pre" > last</ span ></ tt > ).</ td >
</ tr >
</ tbody >
</ table >
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< div class = "section" id = "id141" >
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< h3 >< a class = "subsection-title" href = "#example" name = "example" > Example</ a ></ h3 >
< pre class = "literal-block" >
typedef < a href = "./range-c.html" class = "identifier" > range_c</ a > < int,0,100> r;
typedef advance_c< < a href = "./begin.html" class = "identifier" > begin</ a > < r> ::type,10 > ::type first;
typedef advance_c< < a href = "./end.html" class = "identifier" > end</ a > < r> ::type,-10 > ::type last;
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< a href = "./assert.html" class = "identifier" > BOOST_MPL_ASSERT</ a > (( < a href = "./equal.html" class = "identifier" > equal</ a > <
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< a href = "./iterator-range.html" class = "identifier" > iterator_range</ a > < first,last>
, < a href = "./range-c.html" class = "identifier" > range_c</ a > < int,10,90>
> ));
</ pre >
</ div >
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< div class = "section" id = "id142" >
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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 = "./sequences.html" > Sequences</ a > , < a class = "reference internal" href = "./views.html" > Views</ a > , < a class = "reference internal" href = "./filter-view.html" > filter_view</ a > , < a class = "reference internal" href = "./transform-view.html" > transform_view</ a > , < a class = "reference internal" href = "./joint-view.html" > joint_view</ a > , < a class = "reference internal" href = "./zip-view.html" > zip_view</ a > , < a class = "reference internal" href = "./max-element.html" > max_element</ a ></ p >
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<!-- Sequences/Views//joint_view -->
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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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