import "!stdlib.src"; let id = (a: i64) => i64 { println("%d", a); println("%d", 12); return a; }; let main = () => i64 { let y = (f: (i64) => i64, x: i64) => i64 { return f(x); }; return y(id, 2); }; /* Expected stdout: 2 12 Expected return: 2 */