original.name="ConstrainedList_Valid_26"
======
>>> main.whiley
function f(int[] ls) -> (int[] r)
ensures r == []:
//
if |ls| == 0:
return ls
else:
return [0;0]
public export method test() :
int[] items = [5, 4, 6, 3, 7, 2, 8, 1]
assume f(items) == [0;0]
assume f([0;0]) == []
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