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< title > The MPL Reference Manual: zip_view< / title >
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< table class = "header" > < tr class = "header" > < td class = "header-group navigation-bar" > < span class = "navigation-group" > < a href = "./transform-view.html" class = "navigation-link" > Prev< / a > < a href = "./intrinsic-metafunctions.html" class = "navigation-link" > Next< / a > < / span > < span class = "navigation-group-separator" > | < / span > < span class = "navigation-group" > < a href = "./transform-view.html" class = "navigation-link" > Back< / a > Along< / 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 = "./zip-view.html" class = "navigation-link" > zip_view< / a > < / td >
< / tr > < / table > < div class = "header-separator" > < / div >
< div class = "section" id = "zip-view" >
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< h1 > < a class = "toc-backref" href = "./views.html#id1423" > zip_view< / a > < / h1 >
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< div class = "section" id = "id167" >
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< h3 > < a class = "subsection-title" href = "#synopsis" name = "synopsis" > Synopsis< / a > < / h3 >
< pre class = "literal-block" >
template<
typename < a href = "./sequences.html" class = "identifier" > Sequences< / a >
>
struct < a href = "./zip-view.html" class = "identifier" > zip_view< / a >
{
// < em > unspecified< / em >
// < em > ...< / em >
};
< / pre >
< / div >
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< div class = "section" id = "id168" >
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< h3 > < a class = "subsection-title" href = "#description" name = "description" > Description< / a > < / h3 >
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< p > Provides a " zipped" view onto several sequences; that is, represents several
sequences as a single sequence of elements each of which, in turn,
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is a sequence of the corresponding < tt class = "literal" > < span class = "pre" > < a href = "./sequences.html" class = "identifier" > Sequences< / a > < / span > < / tt > ' elements.< / p >
< / div >
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< div class = "section" id = "id169" >
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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/zip_view.hpp" class = "header" > boost/mpl/zip_view.hpp< / a > >
< / pre >
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< div class = "section" id = "id170" >
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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 Sequence< / a > < / li >
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< / ul >
< / div >
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< div class = "section" id = "id171" >
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< h3 > < a class = "subsection-title" href = "#parameters" name = "parameters" > Parameters< / a > < / h3 >
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< col width = "43%" / >
< col width = "38%" / >
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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" > < a href = "./sequences.html" class = "identifier" > Sequences< / a > < / span > < / tt > < / td >
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< td > A < a class = "reference internal" href = "./forward-sequence.html" > Forward Sequence< / a > of
< a class = "reference internal" href = "./forward-sequence.html" > Forward Sequence< / a > s< / td >
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< td > Sequences to be " zipped" .< / td >
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< / tbody >
< / table >
< / div >
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< div class = "section" id = "id172" >
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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 = "./zip-view.html" class = "identifier" > zip_view< / a > < / span > < / tt > , < tt class = "literal" > < span class = "pre" > seq< / span > < / tt > a < a class = "reference internal" href = "./forward-sequence.html" > Forward Sequence< / a > of < tt class = "literal" > < span class = "pre" > n< / span > < / tt >
< a class = "reference internal" href = "./forward-sequence.html" > Forward Sequence< / a > s.< / p >
< table border = "1" class = "docutils table" >
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< colgroup >
< col width = "34%" / >
< col width = "66%" / >
< / colgroup >
< 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 = "./zip-view.html" class = "identifier" > zip_view< / a > < seq>
< a href = "./zip-view.html" class = "identifier" > zip_view< / a > < seq> ::type
< / pre >
< / td >
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< td > A lazy < a class = "reference internal" href = "./forward-sequence.html" > Forward Sequence< / a > < tt class = "literal" > < span class = "pre" > v< / span > < / tt > such that for each < tt class = "literal" > < span class = "pre" > i< / span > < / tt >
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in [< tt class = "literal" > < span class = "pre" > < a href = "./begin.html" class = "identifier" > begin< / a > < v> ::type< / span > < / tt > , < tt class = "literal" > < span class = "pre" > < a href = "./end.html" class = "identifier" > end< / a > < v> ::type< / span > < / tt > ) and for each < tt class = "literal" > < span class = "pre" > j< / span > < / tt > in
[< tt class = "literal" > < span class = "pre" > < a href = "./begin.html" class = "identifier" > begin< / a > < seq> ::type< / span > < / tt > , < tt class = "literal" > < span class = "pre" > < a href = "./end.html" class = "identifier" > end< / a > < seq> ::type< / span > < / tt > )
< tt class = "literal" > < span class = "pre" > < a href = "./deref.html" class = "identifier" > deref< / a > < i> ::type< / span > < / tt > is identical to
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< tt class = "literal" > < span class = "pre" > < a href = "./transform.html" class = "identifier" > transform< / a > < < / span > < span class = "pre" > < a href = "./deref.html" class = "identifier" > deref< / a > < j> ::type,< / span > < span class = "pre" > < a href = "./deref.html" class = "identifier" > deref< / a > < < a href = "./placeholders.html" class = "identifier" > _1< / a > > < / span > < span class = "pre" > > ::type< / span > < / tt > .< / td >
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< / tr >
< tr > < td > < tt class = "literal" > < span class = "pre" > < a href = "./size.html" class = "identifier" > size< / a > < v> ::type< / span > < / tt > < / td >
< td > < p class = "first" > The size of < tt class = "literal" > < span class = "pre" > v< / span > < / tt > ; < tt class = "literal" > < span class = "pre" > < a href = "./size.html" class = "identifier" > size< / a > < v> ::value< / span > < / tt > is equal to< / p >
< pre class = "literal-block" >
< a href = "./deref.html" class = "identifier" > deref< / a > < < a href = "./min-element.html" class = "identifier" > min_element< / a > <
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< a href = "./transform-view.html" class = "identifier" > transform_view< / a > < seq, < a href = "./size.html" class = "identifier" > size< / a > < < a href = "./placeholders.html" class = "identifier" > _1< / a > > >
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> ::type > ::type::value;
< / pre >
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< p class = "last" > linear complexity; see < a class = "reference internal" href = "./forward-sequence.html" > Forward Sequence< / a > .< / p >
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< div class = "section" id = "id173" >
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< h3 > < a class = "subsection-title" href = "#example" name = "example" > Example< / a > < / h3 >
< p > Element-wise sum of three vectors.< / p >
< pre class = "literal-block" >
typedef < a href = "./vector-c.html" class = "identifier" > vector_c< / a > < int,1,2,3,4,5> v1;
typedef < a href = "./vector-c.html" class = "identifier" > vector_c< / a > < int,5,4,3,2,1> v2;
typedef < a href = "./vector-c.html" class = "identifier" > vector_c< / a > < int,1,1,1,1,1> v3;
typedef < a href = "./transform-view.html" class = "identifier" > transform_view< / a > <
< a href = "./zip-view.html" class = "identifier" > zip_view< / a > < < a href = "./vector.html" class = "identifier" > vector< / a > < v1,v2,v3> >
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, < a href = "./unpack-args.html" class = "identifier" > unpack_args< / a > < < a href = "./plus.html" class = "identifier" > plus< / a > < < a href = "./placeholders.html" class = "identifier" > _1< / a > ,< a href = "./placeholders.html" class = "identifier" > _2< / a > ,< a href = "./placeholders.html" class = "identifier" > _3< / a > > >
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> sum;
< a href = "./assert.html" class = "identifier" > BOOST_MPL_ASSERT< / a > (( < a href = "./equal.html" class = "identifier" > equal< / a > < sum, < a href = "./vector-c.html" class = "identifier" > vector_c< / a > < int,7,7,7,7,7> > ));
< / pre >
< / div >
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< div class = "section" id = "id174" >
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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 = "./single-view.html" > single_view< / a > , < a class = "reference internal" href = "./iterator-range.html" > iterator_range< / a > < / p >
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< / div >
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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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