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joint_view presents a view which is a concatenation of two sequences.
<<<<<<< .working#include <boost/fusion/view/joint_view.hpp> #include <boost/fusion/include/joint_view.hpp><<<<<<< .working
template <typename Sequence1, typename Sequence2> struct joint_view;<<<<<<< .working
Parameter |
Description |
Default |
|---|---|---|
Sequence1 |
|
|
Sequence2 |
|
Sequence1
and Sequence2 implement
the Associative
Sequence model.
Notation
A joint_view type
An instance of Sequence1
An instance of Sequence2
Instances of joint_view
Semantics of an expression is defined only where it differs from, or is not <<<<<<< .working defined in Forward Sequence. ======= defined in the implemented models. >>>>>>> .merge-right.r57242
Expression |
Semantics |
|---|---|
JV(s1, s2) |
Creates a joint_view given sequences, s1 and s2. |
JV(jv) |
Copy constructs a joint_view from another joint_view, jv. |
jv = jv2 |
Assigns to a joint_view, jv, from another joint_view, jv2. |
vector<int, char> v1(3, 'x'); vector<std::string, int> v2("hello", 123); =======Example
vector<int, char> v1(3, 'x');vector<std::string, int> v2("hello", 123); >>>>>>> .merge-right.r57125 joint_view< vector<int, char> , vector<std::string, int> > view(v1, v2); std::cout << view << std::endl;