Function basic_json

Source/external/json.hpp:19983–19987

@brief create an empty value with a given type @sa https://json.nlohmann.me/api/basic_json/basic_json/

	/// @brief create an empty value with a given type
	/// @sa https://json.nlohmann.me/api/basic_json/basic_json/
	basic_json(const value_t v)
		: m_type(v), m_value(v)
	{
		assert_invariant();
	}

	/// @brief create a null object
	/// @sa https://json.nlohmann.me/api/basic_json/basic_json/