//ww:run-exit 30
package main;
fn mk(v: bool) (bool | void) = { return v; };
fn pick(r: (i64 | bool | void)) i32 = {
	match (r) {
	case let n: i64 => return 10;
	case let b: bool => return 30;
	case void => return 20;
	};
};
export fn main() i32 = { return pick(mk(true)); };