Method on_number_part

test/test.hpp:168–168

        bool on_string_part( string_view, std::size_t, system::error_code& ) { return true; }
        bool on_string( string_view, std::size_t, system::error_code& ) { return true; }
        bool on_number_part( string_view, system::error_code&) { return true; }
        bool on_int64( std::int64_t, string_view, system::error_code& ) { return true; }
        bool on_uint64( std::uint64_t, string_view, system::error_code& ) { return true; }
        bool on_double( double, string_view, system::error_code& ) { return true; }