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boost::operator<< — Provides streaming output for variant
types.
// In header: <boost/variant/variant.hpp> template<typename ElemType, typename Traits, typename T1, typename T2, ..., typename TN> ( out, variant< rhs);
Requires: |
Every bounded type of the variant must
fulfill the requirements of the
OutputStreamable
concept. |
Effects: |
Calls out << x , where x is
the content of rhs . |
Notes: |
Not available when BOOST_NO_IOSTREAM is
defined. |