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Zips sequences together to form a single sequence, whos members are tuples of the members of the component sequences.
template<
typename Sequence1,
typename Sequence2,
...
typename SequenceN
>
typename result_of::zip<Sequence1, Sequence2, ... SequenceN>::type
zip(Sequence1 const& seq1, Sequence2 const& seq2, ... SequenceN const& seqN);
Table 1.68. Parameters
|
Parameter |
Requirement |
Description |
|---|---|---|
|
|
Each sequence is a model of Forward Sequence. |
Operation's argument |
zip(seq1, seq2, ... seqN);
Return type: A model of Forward Sequence.
Semantics: Returns a sequence containing
tuples of elements from sequences seq1
to seqN. For example,
applying zip to tuples (1, 2, 3)
and ('a', 'b',
'c')
would return ((1, 'a'),(2, 'b'),(3,
'c'))
Constant. Returns a view which is lazily evaluated.
#include <boost/fusion/algorithm/transformation/zip.hpp> #include <boost/fusion/include/zip.hpp>
vector<int,char> v1(1, 'a');vector<int,char> v2(2, 'b'); assert(zip(v1, v2) ==make_vector(make_vector(1, 2),make_vector('a', 'b'));