operator<<

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operator<<

template<class E, class T, class A>
    basic_ostream<E, T>& operator<<(
        basic_ostream <E, T>& os,
        const basic_string<E, T, A>& str);

The template function overloads operator<< to insert an object str of template class basic_string into the stream os The function effectively returns os.write( str.c_str(), str.size()).

See the related sample program.