original.name="Lambda_Valid_37"
======
>>> main.whiley
public type Action<S> is method(S)->(S[])
method dup<S>(S item) -> S[]:
return [item,item]
public export method test():
Action<int> action = &(int st -> dup<int>(0))
int[] result = action(0)
assume result == [0,0]
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