singletons-2.5: tests/compile-and-dump/Singletons/T297.hs
module T297 where
import Data.Kind
import Data.Singletons.TH
$(singletons [d|
data MyProxy (a :: Type) = MyProxy
f MyProxy =
let x = let z :: MyProxy a -- When singled, this `a` should be explicitly quantified
z = MyProxy in z
in x
|])