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-- In case of types with nested type synonyms, all synonyms should be expanded
{-# LANGUAGE RankNTypes #-}
import Control.Monad.ST
type Foo = Int
type Bar = Bool
type MyFooST s = ST s Foo
type MyBarST s = ST s Bar
fooGen :: forall s . MyFooST s
fooGen = undefined
barGen :: forall s . MyBarST s
barGen = undefined
main = print (runST fooGen == runST barGen)
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