//ww:run-exit 9
package main;
fn pick(b: bool) (i32 | str) = { if (b) { return 4; }; return "x"; };
export fn main() i32 = {
	let v: (i32 | str) = pick(true);
	let r: i32 = match (v) { case i32 => yield 9; case let s: str => yield 5; };
	return r;
};