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< div class = "section" lang = "en" >
< div class = "titlepage" >< div >< div >< h4 class = "title" >
< a name = "fusion.sequences.views.zip_view" ></ a >< a href = "zip_view.html" title = "zip_view" > zip_view</ a ></ h4 ></ div ></ div ></ div >
< a name = "fusion.sequences.views.zip_view.description" ></ a >< h5 >
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< a name = "id495610" ></ a >
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< a href = "zip_view.html#fusion.sequences.views.zip_view.description" > Description</ a >
</ h5 >
< p >
< tt class = "computeroutput" >< span class = "identifier" > zip_view</ span ></ tt > presents a view
which iterates over a collection of < span class = "underline" > _sequence</ span > _s
in parallel. A < tt class = "computeroutput" >< span class = "identifier" > zip_view</ span ></ tt >
is constructed from a < a href = "../../sequences.html" title = "Sequences" > Sequence</ a >
of references to the component < span class = "underline" > _sequence</ span > _s.
</ p >
< a name = "fusion.sequences.views.zip_view.header" ></ a >< h5 >
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< a name = "id495682" ></ a >
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< a href = "zip_view.html#fusion.sequences.views.zip_view.header" > Header</ a >
</ h5 >
< pre class = "programlisting" >
< span class = "preprocessor" > #include</ span > < span class = "special" > < </ span >< span class = "identifier" > boost</ span >< span class = "special" > /</ span >< span class = "identifier" > fusion</ span >< span class = "special" > /</ span >< span class = "identifier" > sequence</ span >< span class = "special" > /</ span >< span class = "identifier" > view</ span >< span class = "special" > /</ span >< span class = "identifier" > zip_view</ span >< span class = "special" > .</ span >< span class = "identifier" > hpp</ span >< span class = "special" > > </ span >
</ pre >
< a name = "fusion.sequences.views.zip_view.synopsis" ></ a >< h5 >
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< a name = "id495788" ></ a >
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< a href = "zip_view.html#fusion.sequences.views.zip_view.synopsis" > Synopsis</ a >
</ h5 >
< pre class = "programlisting" >
< span class = "keyword" > template</ span > < span class = "special" > < </ span >< span class = "keyword" > typename</ span > < span class = "identifier" > Sequences</ span >< span class = "special" > > </ span >
< span class = "keyword" > struct</ span > < span class = "identifier" > zip_view</ span >< span class = "special" > ;</ span >
</ pre >
< a name = "fusion.sequences.views.zip_view.template_parameters" ></ a >< h5 >
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< a name = "id495866" ></ a >
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< a href = "zip_view.html#fusion.sequences.views.zip_view.template_parameters" > Template
parameters</ a >
</ h5 >
< div class = "informaltable" >
< h4 >
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< a name = "id495888" ></ a >
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</ h4 >
< table class = "table" >
< colgroup >
< col >
< col >
< col >
</ colgroup >
< thead >< tr >
< th > Parameter</ th >
< th > Description</ th >
< th > Default</ th >
</ tr ></ thead >
< tbody >< tr >
< td >< tt class = "computeroutput" >< span class = "identifier" > Sequences</ span ></ tt ></ td >
< td > A
< a href = "../concepts/forward_sequence.html" title = "Forward
Sequence" > Forward
Sequence</ a > of references to other Fusion < span class = "underline" > _sequence</ span > _s</ td >
< td > </ td >
</ tr ></ tbody >
</ table >
</ div >
< a name = "fusion.sequences.views.zip_view.model_of" ></ a >< h5 >
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< a name = "id495966" ></ a >
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< a href = "zip_view.html#fusion.sequences.views.zip_view.model_of" > Model of</ a >
</ h5 >
< div class = "itemizedlist" >< ul type = "disc" >< li >< a href = "../concepts/forward_sequence.html" title = "Forward
Sequence" > Forward Sequence</ a ></ li ></ ul ></ div >
< div class = "variablelist" >
< p class = "title" >< b > Notation</ b ></ p >
< dl >
< dt >< span class = "term" >< tt class = "computeroutput" >< span class = "identifier" > ZV</ span ></ tt ></ span ></ dt >
< dd >
A < tt class = "computeroutput" >< span class = "identifier" > joint_view</ span ></ tt > type
</ dd >
< dt >< span class = "term" >< tt class = "computeroutput" >< span class = "identifier" > s</ span ></ tt ></ span ></ dt >
< dd >
An instance of < tt class = "computeroutput" >< span class = "identifier" > Sequences</ span ></ tt >
</ dd >
< dt >< span class = "term" >< tt class = "computeroutput" >< span class = "identifier" > zv1</ span ></ tt > ,
< tt class = "computeroutput" >< span class = "identifier" > zv2</ span ></ tt ></ span ></ dt >
< dd >
Instances of < tt class = "computeroutput" >< span class = "identifier" > ZV</ span ></ tt >
</ dd >
</ dl >
</ div >
< a name = "fusion.sequences.views.zip_view.expression_semantics" ></ a >< h5 >
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< a name = "id496109" ></ a >
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< a href = "zip_view.html#fusion.sequences.views.zip_view.expression_semantics" > Expression
Semantics</ a >
</ h5 >
< p >
Semantics of an expression is defined only where it differs from, or is
not defined in < a href = "../concepts/forward_sequence.html" title = "Forward
Sequence" > Forward
Sequence</ a > .
</ p >
< div class = "informaltable" >
< h4 >
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< a name = "id496146" ></ a >
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</ h4 >
< table class = "table" >
< colgroup >
< col >
< col >
</ colgroup >
< thead >< tr >
< th > Expression</ th >
< th > Semantics</ th >
</ tr ></ thead >
< tbody >
< tr >
< td >< tt class = "computeroutput" >< span class = "identifier" > ZV</ span >< span class = "special" > (</ span >< span class = "identifier" > s</ span >< span class = "special" > )</ span ></ tt ></ td >
< td > Creates
a < tt class = "computeroutput" >< span class = "identifier" > zip_view</ span ></ tt > given
a sequence of references to the component < span class = "underline" > _sequence</ span > _s.</ td >
</ tr >
< tr >
< td >< tt class = "computeroutput" >< span class = "identifier" > ZV</ span >< span class = "special" > (</ span >< span class = "identifier" > zv1</ span >< span class = "special" > )</ span ></ tt ></ td >
< td > Copy
constructs a < tt class = "computeroutput" >< span class = "identifier" > zip_view</ span ></ tt >
from another < tt class = "computeroutput" >< span class = "identifier" > zip_view</ span ></ tt > ,
< tt class = "computeroutput" >< span class = "identifier" > zv</ span ></ tt > .</ td >
</ tr >
< tr >
< td >< tt class = "computeroutput" >< span class = "identifier" > zv1</ span > < span class = "special" > =</ span > < span class = "identifier" > zv2</ span ></ tt ></ td >
< td > Assigns
to a < tt class = "computeroutput" >< span class = "identifier" > zip_view</ span ></ tt > , < tt class = "computeroutput" >< span class = "identifier" > zv</ span ></ tt > , from another < tt class = "computeroutput" >< span class = "identifier" > zip_view</ span ></ tt > , < tt class = "computeroutput" >< span class = "identifier" > zv2</ span ></ tt > .</ td >
</ tr >
</ tbody >
</ table >
</ div >
< a name = "fusion.sequences.views.zip_view.example" ></ a >< h5 >
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< a name = "id496369" ></ a >
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< a href = "zip_view.html#fusion.sequences.views.zip_view.example" > Example</ a >
</ h5 >
< pre class = "programlisting" >
< span class = "keyword" > typedef</ span > < a href = "../containers/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" > int</ span >< span class = "special" > > </ span > < span class = "identifier" > vec1</ span >< span class = "special" > ;</ span >
< span class = "keyword" > typedef</ span > < a href = "../containers/vector.html" title = "vector" >< tt class = "computeroutput" >< span class = "identifier" > vector</ span ></ tt ></ a >< span class = "special" > < </ span >< span class = "keyword" > char</ span >< span class = "special" > ,</ span >< span class = "keyword" > char</ span >< span class = "special" > > </ span > < span class = "identifier" > vec2</ span >< span class = "special" > ;</ span >
< span class = "identifier" > vec1</ span > < span class = "identifier" > v1</ span >< span class = "special" > (</ span >< span class = "number" > 1</ span >< span class = "special" > ,</ span >< span class = "number" > 2</ span >< span class = "special" > );</ span >
< span class = "identifier" > vec2</ span > < span class = "identifier" > v2</ span >< span class = "special" > (</ span >< span class = "char" > 'a'</ span >< span class = "special" > ,</ span >< span class = "char" > 'b'</ span >< span class = "special" > );</ span >
< span class = "keyword" > typedef</ span > < a href = "../containers/vector.html" title = "vector" >< tt class = "computeroutput" >< span class = "identifier" > vector</ span ></ tt ></ a >< span class = "special" > < </ span >< span class = "identifier" > vec1</ span >< span class = "special" > & ,</ span > < span class = "identifier" > vec2</ span >< span class = "special" > &> </ span > < span class = "identifier" > sequences</ span >< span class = "special" > ;</ span >
< span class = "identifier" > std</ span >< span class = "special" > ::</ span >< span class = "identifier" > cout</ span > < span class = "special" > << </ span > < span class = "identifier" > zip_view</ span >< span class = "special" > < </ span >< span class = "identifier" > sequences</ span >< span class = "special" > > (</ span >< span class = "identifier" > sequences</ span >< span class = "special" > (</ span >< span class = "identifier" > v1</ span >< span class = "special" > ,</ span > < span class = "identifier" > v2</ span >< span class = "special" > ))</ span > < span class = "special" > << </ span > < span class = "identifier" > std</ span >< span class = "special" > ::</ span >< span class = "identifier" > endl</ span >< span class = "special" > ;</ span > < span class = "comment" > // ((1 a) (2 b))
</ span ></ pre >
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< td align = "right" >< small > Copyright © 2001-2005 Joel de Guzman, Dan Marsden</ small ></ td >
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