Method operator=

dlib/string/string.h:463–468

            typename alloc
            >
        string_assign_helper<charT,traits,alloc> operator=(
            const std::basic_string<charT,traits,alloc>& str
        ) const
        {
            return string_assign_helper<charT,traits,alloc>(str);
        }

        char_assign_helper operator= (
            const char* str