//ww:run
package main;
type pair = struct { x: i64, y: i64, z: i64 };
type tag = (pair | i32);
fn main() i32 = {
	let x: tag = (pair { x = 7i64, y = 11i64, z = 13i64 }: tag);
	match (x) {
	case let v: pair => {
		let s: i64 = v.x + v.y + v.z;
		if (s != 31i64) { return 1; };
		return 0;
	};
	case let z: i32 => return 2;
	};
};