Singletons/DataValues.hs:(0,0)-(0,0): Splicing declarations singletons [d| pr = Pair (Succ Zero) ([Zero]) complex = Pair (Pair (Just Zero) Zero) False tuple = (False, Just Zero, True) aList = [Zero, Succ Zero, Succ (Succ Zero)] data Pair a b = Pair a b deriving Show |] ======> data Pair a b = Pair a b deriving Show pr = (Pair (Succ Zero)) [Zero] complex = (Pair ((Pair (Just Zero)) Zero)) False tuple = (False, Just Zero, True) aList = [Zero, Succ Zero, Succ (Succ Zero)] type PairSym2 (t :: a0123456789876543210) (t :: b0123456789876543210) = Pair t t instance SuppressUnusedWarnings PairSym1 where suppressUnusedWarnings _ = snd ((GHC.Tuple.(,) PairSym1KindInference) GHC.Tuple.()) data PairSym1 (l :: a0123456789876543210) (l :: TyFun b0123456789876543210 (Pair a0123456789876543210 b0123456789876543210)) = forall arg. SameKind (Apply (PairSym1 l) arg) (PairSym2 l arg) => PairSym1KindInference type instance Apply (PairSym1 l) l = Pair l l instance SuppressUnusedWarnings PairSym0 where suppressUnusedWarnings _ = snd ((GHC.Tuple.(,) PairSym0KindInference) GHC.Tuple.()) data PairSym0 (l :: TyFun a0123456789876543210 (TyFun b0123456789876543210 (Pair a0123456789876543210 b0123456789876543210) -> GHC.Types.Type)) = forall arg. SameKind (Apply PairSym0 arg) (PairSym1 arg) => PairSym0KindInference type instance Apply PairSym0 l = PairSym1 l type AListSym0 = AList type TupleSym0 = Tuple type ComplexSym0 = Complex type PrSym0 = Pr type family AList where = Apply (Apply (:$) ZeroSym0) (Apply (Apply (:$) (Apply SuccSym0 ZeroSym0)) (Apply (Apply (:$) (Apply SuccSym0 (Apply SuccSym0 ZeroSym0))) '[])) type family Tuple where = Apply (Apply (Apply Tuple3Sym0 FalseSym0) (Apply JustSym0 ZeroSym0)) TrueSym0 type family Complex where = Apply (Apply PairSym0 (Apply (Apply PairSym0 (Apply JustSym0 ZeroSym0)) ZeroSym0)) FalseSym0 type family Pr where = Apply (Apply PairSym0 (Apply SuccSym0 ZeroSym0)) (Apply (Apply (:$) ZeroSym0) '[]) sAList :: Sing AListSym0 sTuple :: Sing TupleSym0 sComplex :: Sing ComplexSym0 sPr :: Sing PrSym0 sAList = (applySing ((applySing ((singFun2 @(:$)) SCons)) SZero)) ((applySing ((applySing ((singFun2 @(:$)) SCons)) ((applySing ((singFun1 @SuccSym0) SSucc)) SZero))) ((applySing ((applySing ((singFun2 @(:$)) SCons)) ((applySing ((singFun1 @SuccSym0) SSucc)) ((applySing ((singFun1 @SuccSym0) SSucc)) SZero)))) SNil)) sTuple = (applySing ((applySing ((applySing ((singFun3 @Tuple3Sym0) STuple3)) SFalse)) ((applySing ((singFun1 @JustSym0) SJust)) SZero))) STrue sComplex = (applySing ((applySing ((singFun2 @PairSym0) SPair)) ((applySing ((applySing ((singFun2 @PairSym0) SPair)) ((applySing ((singFun1 @JustSym0) SJust)) SZero))) SZero))) SFalse sPr = (applySing ((applySing ((singFun2 @PairSym0) SPair)) ((applySing ((singFun1 @SuccSym0) SSucc)) SZero))) ((applySing ((applySing ((singFun2 @(:$)) SCons)) SZero)) SNil) data instance Sing (z :: Pair a b) = forall (n :: a) (n :: b). z ~ Pair n n => SPair (Sing (n :: a)) (Sing (n :: b)) type SPair = (Sing :: Pair a b -> GHC.Types.Type) instance (SingKind a, SingKind b) => SingKind (Pair a b) where type Demote (Pair a b) = Pair (Demote a) (Demote b) fromSing (SPair b b) = (Pair (fromSing b)) (fromSing b) toSing (Pair b b) = case (GHC.Tuple.(,) (toSing b :: SomeSing a)) (toSing b :: SomeSing b) of { GHC.Tuple.(,) (SomeSing c) (SomeSing c) -> SomeSing ((SPair c) c) } instance (SingI n, SingI n) => SingI (Pair (n :: a) (n :: b)) where sing = (SPair sing) sing