struct Left<E> {
	error E
}

struct Right<T> {
	inner T
}

type Either<T, E> =
	Left<E> |
	Right<T>

fn works(v []Either<int, int>) {
	first := v[0]
	match first {
		Left<int> {
			println(first.error)
		}
		else {}
	}
}

fn doesntwork(v []Either<int, int>) {
	match v[0] {
		Left<int> {
			println(v[0].error)
		}
		else {}
	}
}

fn main() {}