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Performs an element by element swap of the elements in 2 sequences.
template<typename Seq1, typename Seq2>
typename result_of::swap<Seq1, Seq2>::type
swap(Seq1& seq1, Seq2& seq2);
| Parameters | Requirement | Description | 
|---|---|---|
| 
                       | Models of Forward Sequence | The sequences whose elements we wish to swap. | 
swap(seq1, seq2);
            Return type: void
          
            Precondition: size(seq1) == size(seq2)
            Semantics: Calls swap(a1, b1) for corresponding elements in seq1 and seq2.
          
#include <boost/fusion/sequence/intrinsic/swap.hpp> #include <boost/fusion/include/swap.hpp>
vector<int, std::string> v1(1, "hello"), v2(2, "world"); swap(v1, v2); assert(v1 ==make_vector(2, "world")); assert(v2 ==make_vector(1, "hello"));