original.name="TypeEquals_Valid_21"
======
>>> main.whiley
type expr is int[] | bool
function f(expr e) -> bool:
if e is int[]:
return true
else:
return false
public export method test() :
expr e = true
assume f(e) == false
e = [1, 2, 3, 4]
assume f(e) == true
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