//ww:run-exit 21
// migrated from test/wcc/787_xmod_variant_match.c: cross-module bare-variant arms with NO default — casecovers exhaustiveness across modules (#13).
package main;
import pkg;
fn classify(e: pkg.u) i32 = {
	match (e) {
	case pkg.a => return 1;
	case pkg.b => return 2;
	};
};
export fn main() i32 = {
	return classify(pkg.mkb()) * 10 + classify(pkg.mka());
};