Function assertNumber

src/interpreter/util.ts:66–73

(val: Value | null | undefined)

}

export function assertNumber(val: Value | null | undefined): asserts val is VNum {
	if (val == null) {
		throw new AiScriptRuntimeError('Expect number, but got nothing.');
	}
	if (!isNumber(val)) {
		throw new AiScriptRuntimeError(`Expect number, but got ${val.type}.`);
	}
}

export function assertObject(val: Value | null | undefined): asserts val is VObj {
	if (val == null) {