Function operator+=

Source/external/json.hpp:22283–22287

@brief add an object to an array @sa https://json.nlohmann.me/api/basic_json/operator+=/

	/// @brief add an object to an array
	/// @sa https://json.nlohmann.me/api/basic_json/operator+=/
	reference operator+=(basic_json&& val)
	{
		push_back(std::move(val));
		return *this;
	}

	/// @brief add an object to an array
	/// @sa https://json.nlohmann.me/api/basic_json/push_back/