Singletons/T136.hs:(0,0)-(0,0): Splicing declarations
    singletons
      [d| instance Enum BiNat where
            succ [] = [True]
            succ (False : as) = True : as
            succ (True : as) = False : succ as
            pred [] = error "pred 0"
            pred (False : as) = True : pred as
            pred (True : as) = False : as
            toEnum i
              | i < 0 = error "negative toEnum"
              | i == 0 = []
              | otherwise = succ (toEnum (pred i))
            fromEnum [] = 0
            fromEnum (False : as) = 2 * fromEnum as
            fromEnum (True : as) = 1 + 2 * fromEnum as |]
  ======>
    instance Enum BiNat where
      succ GHC.Types.[] = [True]
      succ (False GHC.Types.: as) = (True GHC.Types.: as)
      succ (True GHC.Types.: as) = (False GHC.Types.: (succ as))
      pred GHC.Types.[] = error "pred 0"
      pred (False GHC.Types.: as) = (True GHC.Types.: (pred as))
      pred (True GHC.Types.: as) = (False GHC.Types.: as)
      toEnum i
        | (i < 0) = error "negative toEnum"
        | (i == 0) = []
        | otherwise = succ (toEnum (pred i))
      fromEnum GHC.Types.[] = 0
      fromEnum (False GHC.Types.: as) = (2 * (fromEnum as))
      fromEnum (True GHC.Types.: as) = (1 + (2 * (fromEnum as)))
    type family Succ_0123456789876543210 (a :: [Bool]) :: [Bool] where
      Succ_0123456789876543210 '[] = Apply (Apply (:@#@$) TrueSym0) '[]
      Succ_0123456789876543210 ((:) False as) = Apply (Apply (:@#@$) TrueSym0) as
      Succ_0123456789876543210 ((:) True as) = Apply (Apply (:@#@$) FalseSym0) (Apply SuccSym0 as)
    type Succ_0123456789876543210Sym1 (t :: [Bool]) =
        Succ_0123456789876543210 t
    instance SuppressUnusedWarnings Succ_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd
            ((GHC.Tuple.(,) Succ_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data Succ_0123456789876543210Sym0 (l :: TyFun [Bool] [Bool])
      = forall arg. SameKind (Apply Succ_0123456789876543210Sym0 arg) (Succ_0123456789876543210Sym1 arg) =>
        Succ_0123456789876543210Sym0KindInference
    type instance Apply Succ_0123456789876543210Sym0 l = Succ_0123456789876543210 l
    type family Pred_0123456789876543210 (a :: [Bool]) :: [Bool] where
      Pred_0123456789876543210 '[] = Apply ErrorSym0 "pred 0"
      Pred_0123456789876543210 ((:) False as) = Apply (Apply (:@#@$) TrueSym0) (Apply PredSym0 as)
      Pred_0123456789876543210 ((:) True as) = Apply (Apply (:@#@$) FalseSym0) as
    type Pred_0123456789876543210Sym1 (t :: [Bool]) =
        Pred_0123456789876543210 t
    instance SuppressUnusedWarnings Pred_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd
            ((GHC.Tuple.(,) Pred_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data Pred_0123456789876543210Sym0 (l :: TyFun [Bool] [Bool])
      = forall arg. SameKind (Apply Pred_0123456789876543210Sym0 arg) (Pred_0123456789876543210Sym1 arg) =>
        Pred_0123456789876543210Sym0KindInference
    type instance Apply Pred_0123456789876543210Sym0 l = Pred_0123456789876543210 l
    type family Case_0123456789876543210 i arg_0123456789876543210 t where
      Case_0123456789876543210 i arg_0123456789876543210 True = '[]
      Case_0123456789876543210 i arg_0123456789876543210 False = Apply SuccSym0 (Apply ToEnumSym0 (Apply PredSym0 i))
    type family Case_0123456789876543210 i arg_0123456789876543210 t where
      Case_0123456789876543210 i arg_0123456789876543210 True = Apply ErrorSym0 "negative toEnum"
      Case_0123456789876543210 i arg_0123456789876543210 False = Case_0123456789876543210 i arg_0123456789876543210 (Apply (Apply (==@#@$) i) (FromInteger 0))
    type family Case_0123456789876543210 arg_0123456789876543210 t where
      Case_0123456789876543210 arg_0123456789876543210 i = Case_0123456789876543210 i arg_0123456789876543210 (Apply (Apply (<@#@$) i) (FromInteger 0))
    type family ToEnum_0123456789876543210 (a :: GHC.Types.Nat) :: [Bool] where
      ToEnum_0123456789876543210 arg_0123456789876543210 = Case_0123456789876543210 arg_0123456789876543210 arg_0123456789876543210
    type ToEnum_0123456789876543210Sym1 (t :: GHC.Types.Nat) =
        ToEnum_0123456789876543210 t
    instance SuppressUnusedWarnings ToEnum_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd
            ((GHC.Tuple.(,) ToEnum_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data ToEnum_0123456789876543210Sym0 (l :: TyFun GHC.Types.Nat [Bool])
      = forall arg. SameKind (Apply ToEnum_0123456789876543210Sym0 arg) (ToEnum_0123456789876543210Sym1 arg) =>
        ToEnum_0123456789876543210Sym0KindInference
    type instance Apply ToEnum_0123456789876543210Sym0 l = ToEnum_0123456789876543210 l
    type family FromEnum_0123456789876543210 (a :: [Bool]) :: GHC.Types.Nat where
      FromEnum_0123456789876543210 '[] = FromInteger 0
      FromEnum_0123456789876543210 ((:) False as) = Apply (Apply (*@#@$) (FromInteger 2)) (Apply FromEnumSym0 as)
      FromEnum_0123456789876543210 ((:) True as) = Apply (Apply (+@#@$) (FromInteger 1)) (Apply (Apply (*@#@$) (FromInteger 2)) (Apply FromEnumSym0 as))
    type FromEnum_0123456789876543210Sym1 (t :: [Bool]) =
        FromEnum_0123456789876543210 t
    instance SuppressUnusedWarnings FromEnum_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd
            ((GHC.Tuple.(,) FromEnum_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data FromEnum_0123456789876543210Sym0 (l :: TyFun [Bool] GHC.Types.Nat)
      = forall arg. SameKind (Apply FromEnum_0123456789876543210Sym0 arg) (FromEnum_0123456789876543210Sym1 arg) =>
        FromEnum_0123456789876543210Sym0KindInference
    type instance Apply FromEnum_0123456789876543210Sym0 l = FromEnum_0123456789876543210 l
    instance PEnum [Bool] where
      type Succ a = Apply Succ_0123456789876543210Sym0 a
      type Pred a = Apply Pred_0123456789876543210Sym0 a
      type ToEnum a = Apply ToEnum_0123456789876543210Sym0 a
      type FromEnum a = Apply FromEnum_0123456789876543210Sym0 a
    instance SEnum [Bool] where
      sSucc ::
        forall (t :: [Bool]).
        Sing t
        -> Sing (Apply (SuccSym0 :: TyFun [Bool] [Bool]
                                    -> GHC.Types.Type) t)
      sPred ::
        forall (t :: [Bool]).
        Sing t
        -> Sing (Apply (PredSym0 :: TyFun [Bool] [Bool]
                                    -> GHC.Types.Type) t)
      sToEnum ::
        forall (t :: GHC.Types.Nat).
        Sing t
        -> Sing (Apply (ToEnumSym0 :: TyFun GHC.Types.Nat [Bool]
                                      -> GHC.Types.Type) t)
      sFromEnum ::
        forall (t :: [Bool]).
        Sing t
        -> Sing (Apply (FromEnumSym0 :: TyFun [Bool] GHC.Types.Nat
                                        -> GHC.Types.Type) t)
      sSucc SNil
        = (applySing ((applySing ((singFun2 @(:@#@$)) SCons)) STrue)) SNil
      sSucc (SCons SFalse (sAs :: Sing as))
        = (applySing ((applySing ((singFun2 @(:@#@$)) SCons)) STrue)) sAs
      sSucc (SCons STrue (sAs :: Sing as))
        = (applySing ((applySing ((singFun2 @(:@#@$)) SCons)) SFalse))
            ((applySing ((singFun1 @SuccSym0) sSucc)) sAs)
      sPred SNil = sError (sing :: Sing "pred 0")
      sPred (SCons SFalse (sAs :: Sing as))
        = (applySing ((applySing ((singFun2 @(:@#@$)) SCons)) STrue))
            ((applySing ((singFun1 @PredSym0) sPred)) sAs)
      sPred (SCons STrue (sAs :: Sing as))
        = (applySing ((applySing ((singFun2 @(:@#@$)) SCons)) SFalse)) sAs
      sToEnum (sArg_0123456789876543210 :: Sing arg_0123456789876543210)
        = case sArg_0123456789876543210 of {
            sI :: Sing i
              -> case
                     (applySing ((applySing ((singFun2 @(<@#@$)) (%<))) sI))
                       (sFromInteger (sing :: Sing 0))
                 of
                   STrue -> sError (sing :: Sing "negative toEnum")
                   SFalse
                     -> case
                            (applySing ((applySing ((singFun2 @(==@#@$)) (%==))) sI))
                              (sFromInteger (sing :: Sing 0))
                        of
                          STrue -> SNil
                          SFalse
                            -> (applySing ((singFun1 @SuccSym0) sSucc))
                                 ((applySing ((singFun1 @ToEnumSym0) sToEnum))
                                    ((applySing ((singFun1 @PredSym0) sPred)) sI)) ::
                          Sing (Case_0123456789876543210 i arg_0123456789876543210 (Apply (Apply (==@#@$) i) (FromInteger 0))) ::
                   Sing (Case_0123456789876543210 i arg_0123456789876543210 (Apply (Apply (<@#@$) i) (FromInteger 0))) } ::
            Sing (Case_0123456789876543210 arg_0123456789876543210 arg_0123456789876543210)
      sFromEnum SNil = sFromInteger (sing :: Sing 0)
      sFromEnum (SCons SFalse (sAs :: Sing as))
        = (applySing
             ((applySing ((singFun2 @(*@#@$)) (%*)))
                (sFromInteger (sing :: Sing 2))))
            ((applySing ((singFun1 @FromEnumSym0) sFromEnum)) sAs)
      sFromEnum (SCons STrue (sAs :: Sing as))
        = (applySing
             ((applySing ((singFun2 @(+@#@$)) (%+)))
                (sFromInteger (sing :: Sing 1))))
            ((applySing
                ((applySing ((singFun2 @(*@#@$)) (%*)))
                   (sFromInteger (sing :: Sing 2))))
               ((applySing ((singFun1 @FromEnumSym0) sFromEnum)) sAs))