//ww:run-exit 74
package main;
type th = struct { pc: size, matched: bool };
type t12 = struct { x: u32, y: u32, z: u32 };
export fn main() i32 = {
	let es: []th = [];
	for (let t .. es) { return 1; };
	let xs: []th = [];
	append(xs, th { pc = 7, matched = true });
	let cnt: size = 0;
	for (let t2 .. xs) { t2.pc = 99; t2.matched = false; cnt += 1; };
	if (cnt != 1) { return 2; };
	if (xs[0].pc != 7) { return 3; };
	if (!xs[0].matched) { return 4; };
	let ns: []t12 = [];
	append(ns, t12 { x = 1u32, y = 2u32, z = 3u32 });
	append(ns, t12 { x = 4u32, y = 5u32, z = 6u32 });
	let sum: size = 0;
	for (let n .. ns) { sum += n.x: size; sum += n.y: size; sum += n.z: size; };
	if (sum != 21) { return 5; };
	return 74;
};