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Write a Sequence to an output stream.
template <typename OStream, typename Sequence> OStream& operator<<(OStream& os, Sequence& seq);
| Parameter | Requirement | Description | 
|---|---|---|
| os | An output stream. | Stream to write information to. | 
| seq | A Sequence. | The sequence to write. | 
os << seq
Return type: OStream&
            Semantics: For each element, e, in sequence, seq,
            call os <<
            e.
          
#include <boost/fusion/sequence/io/out.hpp> #include <boost/fusion/include/out.hpp>
std::cout << make_vector(123, "Hello", 'x') << std::endl;