export module kym;

import core;
import core.math;

export namespace kym {
	enum class value_type {
		nil,
		boolean,
		integer,
		scalar,
		vector2,
		vector3,
		object,
	};

	struct value {
		value_type type;

		union {
			bool boolean;

			core::i64 integer;

			core::f64 scalar;

			core::vector2 vector2;

			core::vector3 vector3;

			void * object;
		} as;

		core::optional<core::u16> as_u16() const {
			if ((this->type == value_type::integer) &&
				(this->as.integer >= 0) && (this->as.integer <= core::u16_max)) {

				return static_cast<core::u16>(this->as.integer);
			}

			return {};
		}
	};

	value nil = {
		.type = value_type::nil,
		.as = {.object = nullptr},
	};
};