original.name="Template_Valid_50"
======
>>> main.whiley
type Box<T> is { T val }
type Option<T> is null | Box<T>
function empty<T>() -> (Option<T> a, Option<T> b):
return null,null
public export method test():
(Option<int> i, Option<int> j) = empty()
//
assume i == null
assume j == null
---