/* As you see, the language supports variable scopes */
extern printf = (ptr, i64) => i64;
let x = 18;
let foo = () => i64 {
let x = 1;
printf("%d", x);
return x;
};
let main = () => i64 {
printf("%d", x);
let x = 2;
let y = foo();
printf("%d", x);
return x + y;
};