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-- Test for Trac #1899
module T1899 where
data Constraint a = Formula [[Proposition a]]
data Proposition a = Prop a
| Auxiliary [Proposition a]
transRHS :: [a] -> Int -> Constraint a
transRHS varSet b =
if b < 0
then Formula [[Prop (Auxiliary undefined)]]
else Formula $
[[Prop (Auxiliary varSet),
Prop (Auxiliary varSet)]
]
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