Method write_msgpack

deps/json/json.hpp:15366–15683

! @param[in] j JSON value to serialize */

    @param[in] j  JSON value to serialize
    */
    void write_msgpack(const BasicJsonType& j)
    {
        switch (j.type())
        {
            case value_t::null: // nil
            {
                oa->write_character(to_char_type(0xC0));
                break;
            }

            case value_t::boolean: // true and false
            {
                oa->write_character(j.m_value.boolean
                                    ? to_char_type(0xC3)
                                    : to_char_type(0xC2));
                break;
            }

            case value_t::number_integer:
            {
                if (j.m_value.number_integer >= 0)
                {
                    // MessagePack does not differentiate between positive
                    // signed integers and unsigned integers. Therefore, we used
                    // the code from the value_t::number_unsigned case here.
                    if (j.m_value.number_unsigned < 128)
                    {
                        // positive fixnum
                        write_number(static_cast<std::uint8_t>(j.m_value.number_integer));
                    }
                    else if (j.m_value.number_unsigned <= (std::numeric_limits<std::uint8_t>::max)())
                    {
                        // uint 8
                        oa->write_character(to_char_type(0xCC));
                        write_number(static_cast<std::uint8_t>(j.m_value.number_integer));
                    }
                    else if (j.m_value.number_unsigned <= (std::numeric_limits<std::uint16_t>::max)())
                    {
                        // uint 16
                        oa->write_character(to_char_type(0xCD));
                        write_number(static_cast<std::uint16_t>(j.m_value.number_integer));
                    }
                    else if (j.m_value.number_unsigned <= (std::numeric_limits<std::uint32_t>::max)())
                    {
                        // uint 32
                        oa->write_character(to_char_type(0xCE));
                        write_number(static_cast<std::uint32_t>(j.m_value.number_integer));
                    }
                    else if (j.m_value.number_unsigned <= (std::numeric_limits<std::uint64_t>::max)())
                    {
                        // uint 64
                        oa->write_character(to_char_type(0xCF));
                        write_number(static_cast<std::uint64_t>(j.m_value.number_integer));
                    }
                }
                else
                {
                    if (j.m_value.number_integer >= -32)