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zip_view presents a view which iterates over a collection of Sequence(s) in parallel. A zip_view is constructed from a Sequence of references to the component _sequence_s.
<<<<<<< .working#include <boost/fusion/view/zip_view.hpp> #include <boost/fusion/include/zip_view.hpp><<<<<<< .working
template <typename Sequences> struct zip_view;<<<<<<< .working
Parameter |
Description |
Default |
|---|---|---|
Sequences |
A Forward Sequence of references to other Fusion _sequence_s |
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Notation
A zip_view type
An instance of Sequences
Instances of ZV
Semantics of an expression is defined only where it differs from, or is not defined in Forward Sequence.
Expression |
Semantics |
|---|---|
ZV(s) |
Creates a zip_view given a sequence of references to the component _sequence_s. |
ZV(zv1) |
Copy constructs a zip_view from another zip_view, zv. |
zv1 = zv2 |
Assigns to a zip_view, zv, from another zip_view, zv2. |
typedef vector<int,int> vec1; typedef vector<char,char> vec2; =======Example
typedefvector<int,int> vec1; typedefvector<char,char> vec2; >>>>>>> .merge-right.r57125 vec1 v1(1,2); vec2 v2('a','b'); typedef vector<vec1&, vec2&> sequences; std::cout << zip_view<sequences>(sequences(v1, v2)) << std::endl; // ((1 a) (2 b))