Function is_binary

include/behaviortree_cpp/contrib/json.hpp:20680–20683

@brief return whether value is a binary array @sa https://json.nlohmann.me/api/basic_json/is_binary/

    /// @brief return whether value is a binary array
    /// @sa https://json.nlohmann.me/api/basic_json/is_binary/
    constexpr bool is_binary() const noexcept
    {
        return m_data.m_type == value_t::binary;
    }

    /// @brief return whether value is discarded
    /// @sa https://json.nlohmann.me/api/basic_json/is_discarded/