//ww:run-exit 42
// migrated from test/wcc/839_xmod_nominal_typeeqast.c: bare-spelled union variants matched via QUALIFIED case patterns (`case let x: e.myerr`) — cross-module nominal cover.
package e;
export type myerr = !i64;
export type res = (i64 | myerr);
export fn ok(v: i64) res = { return v; };
export fn bad() res = { return (-7: myerr); };
package main;
import e;
fn unwrap(r: e.res) i64 = {
	match (r) {
	case let n: i64 => return n;
	case let x: e.myerr => return -1;
	};
};
export fn main() i32 = {
	let a = unwrap(e.ok(40));
	let b = unwrap(e.bad());
	if (a != 40) { return 11; };
	if (b != -1) { return 12; };
	return 42;
};