//ww:run-exit 30
package main;
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 = {
	let v: (bool | void) = true;
	return pick(v);
};