//ww:run
package main;
type pair = struct { x: i64, y: i64, z: i64 };
type tag = (pair | i32);
type holder = struct { e: tag, mark: i32 };
fn main() i32 = {
	let h: holder;
	h.mark = 99;
	let p: pair = pair { x = 7i64, y = 11i64, z = 13i64 };
	h.e = (p: tag);
	match (h.e) {
	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; };
	};
};