Singletons/Classes.hs:(0,0)-(0,0): Splicing declarations
    singletons
      [d| infix 4 <=>
          
          const :: a -> b -> a
          const x _ = x
          fooCompare :: Foo -> Foo -> Ordering
          fooCompare A A = EQ
          fooCompare A B = LT
          fooCompare B B = GT
          fooCompare B A = EQ
          
          class MyOrd a where
            mycompare :: a -> a -> Ordering
            (<=>) :: a -> a -> Ordering
            (<=>) = mycompare
            infix 4 <=>
          data Foo = A | B
          data Foo2 = F | G
          
          instance MyOrd () where
            mycompare _ = const EQ
          instance MyOrd Nat where
            Zero `mycompare` Zero = EQ
            Zero `mycompare` (Succ _) = LT
            (Succ _) `mycompare` Zero = GT
            (Succ n) `mycompare` (Succ m) = m `mycompare` n
          instance MyOrd Foo where
            mycompare = fooCompare
          instance Eq Foo2 where
            F == F = True
            G == G = True
            F == G = False
            G == F = False |]
  ======>
    const :: a -> b -> a
    const x _ = x
    class MyOrd a where
      mycompare :: a -> a -> Ordering
      (<=>) :: a -> a -> Ordering
      (<=>) = mycompare
    infix 4 <=>
    instance MyOrd Nat where
      mycompare Zero Zero = EQ
      mycompare Zero (Succ _) = LT
      mycompare (Succ _) Zero = GT
      mycompare (Succ n) (Succ m) = (m `mycompare` n)
    instance MyOrd () where
      mycompare _ = const EQ
    data Foo = A | B
    fooCompare :: Foo -> Foo -> Ordering
    fooCompare A A = EQ
    fooCompare A B = LT
    fooCompare B B = GT
    fooCompare B A = EQ
    instance MyOrd Foo where
      mycompare = fooCompare
    data Foo2 = F | G
    instance Eq Foo2 where
      (==) F F = True
      (==) G G = True
      (==) F G = False
      (==) G F = False
    type ASym0 = A
    type BSym0 = B
    type FSym0 = F
    type GSym0 = G
    type FooCompareSym2 (t :: Foo) (t :: Foo) = FooCompare t t
    instance SuppressUnusedWarnings FooCompareSym1 where
      suppressUnusedWarnings _
        = snd ((GHC.Tuple.(,) FooCompareSym1KindInference) GHC.Tuple.())
    data FooCompareSym1 (l :: Foo) (l :: TyFun Foo Ordering)
      = forall arg. SameKind (Apply (FooCompareSym1 l) arg) (FooCompareSym2 l arg) =>
        FooCompareSym1KindInference
    type instance Apply (FooCompareSym1 l) l = FooCompare l l
    instance SuppressUnusedWarnings FooCompareSym0 where
      suppressUnusedWarnings _
        = snd ((GHC.Tuple.(,) FooCompareSym0KindInference) GHC.Tuple.())
    data FooCompareSym0 (l :: TyFun Foo (TyFun Foo Ordering
                                         -> GHC.Types.Type))
      = forall arg. SameKind (Apply FooCompareSym0 arg) (FooCompareSym1 arg) =>
        FooCompareSym0KindInference
    type instance Apply FooCompareSym0 l = FooCompareSym1 l
    type ConstSym2 (t :: a0123456789876543210) (t :: b0123456789876543210) =
        Const t t
    instance SuppressUnusedWarnings ConstSym1 where
      suppressUnusedWarnings _
        = snd ((GHC.Tuple.(,) ConstSym1KindInference) GHC.Tuple.())
    data ConstSym1 (l :: a0123456789876543210) (l :: TyFun b0123456789876543210 a0123456789876543210)
      = forall arg. SameKind (Apply (ConstSym1 l) arg) (ConstSym2 l arg) =>
        ConstSym1KindInference
    type instance Apply (ConstSym1 l) l = Const l l
    instance SuppressUnusedWarnings ConstSym0 where
      suppressUnusedWarnings _
        = snd ((GHC.Tuple.(,) ConstSym0KindInference) GHC.Tuple.())
    data ConstSym0 (l :: TyFun a0123456789876543210 (TyFun b0123456789876543210 a0123456789876543210
                                                     -> GHC.Types.Type))
      = forall arg. SameKind (Apply ConstSym0 arg) (ConstSym1 arg) =>
        ConstSym0KindInference
    type instance Apply ConstSym0 l = ConstSym1 l
    type family FooCompare (a :: Foo) (a :: Foo) :: Ordering where
      FooCompare A A = EQSym0
      FooCompare A B = LTSym0
      FooCompare B B = GTSym0
      FooCompare B A = EQSym0
    type family Const (a :: a) (a :: b) :: a where
      Const x _z_0123456789876543210 = x
    infix 4 :<=>
    type MycompareSym2 (t :: a0123456789876543210) (t :: a0123456789876543210) =
        Mycompare t t
    instance SuppressUnusedWarnings MycompareSym1 where
      suppressUnusedWarnings _
        = snd ((GHC.Tuple.(,) MycompareSym1KindInference) GHC.Tuple.())
    data MycompareSym1 (l :: a0123456789876543210) (l :: TyFun a0123456789876543210 Ordering)
      = forall arg. SameKind (Apply (MycompareSym1 l) arg) (MycompareSym2 l arg) =>
        MycompareSym1KindInference
    type instance Apply (MycompareSym1 l) l = Mycompare l l
    instance SuppressUnusedWarnings MycompareSym0 where
      suppressUnusedWarnings _
        = snd ((GHC.Tuple.(,) MycompareSym0KindInference) GHC.Tuple.())
    data MycompareSym0 (l :: TyFun a0123456789876543210 (TyFun a0123456789876543210 Ordering
                                                         -> GHC.Types.Type))
      = forall arg. SameKind (Apply MycompareSym0 arg) (MycompareSym1 arg) =>
        MycompareSym0KindInference
    type instance Apply MycompareSym0 l = MycompareSym1 l
    type (:<=>$$$) (t :: a0123456789876543210) (t :: a0123456789876543210) =
        (:<=>) t t
    instance SuppressUnusedWarnings (:<=>$$) where
      suppressUnusedWarnings _
        = snd ((GHC.Tuple.(,) (:<=>$$###)) GHC.Tuple.())
    data (:<=>$$) (l :: a0123456789876543210) (l :: TyFun a0123456789876543210 Ordering)
      = forall arg. SameKind (Apply ((:<=>$$) l) arg) ((:<=>$$$) l arg) =>
        (:<=>$$###)
    type instance Apply ((:<=>$$) l) l = (:<=>) l l
    instance SuppressUnusedWarnings (:<=>$) where
      suppressUnusedWarnings _
        = snd ((GHC.Tuple.(,) (:<=>$###)) GHC.Tuple.())
    data (:<=>$) (l :: TyFun a0123456789876543210 (TyFun a0123456789876543210 Ordering
                                                   -> GHC.Types.Type))
      = forall arg. SameKind (Apply (:<=>$) arg) ((:<=>$$) arg) =>
        (:<=>$###)
    type instance Apply (:<=>$) l = (:<=>$$) l
    type family TFHelper_0123456789876543210 (a :: a) (a :: a) :: Ordering where
      TFHelper_0123456789876543210 a_0123456789876543210 a_0123456789876543210 = Apply (Apply MycompareSym0 a_0123456789876543210) a_0123456789876543210
    type TFHelper_0123456789876543210Sym2 (t :: a0123456789876543210) (t :: a0123456789876543210) =
        TFHelper_0123456789876543210 t t
    instance SuppressUnusedWarnings TFHelper_0123456789876543210Sym1 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) TFHelper_0123456789876543210Sym1KindInference)
               GHC.Tuple.())
    data TFHelper_0123456789876543210Sym1 (l :: a0123456789876543210) (l :: TyFun a0123456789876543210 Ordering)
      = forall arg. SameKind (Apply (TFHelper_0123456789876543210Sym1 l) arg) (TFHelper_0123456789876543210Sym2 l arg) =>
        TFHelper_0123456789876543210Sym1KindInference
    type instance Apply (TFHelper_0123456789876543210Sym1 l) l = TFHelper_0123456789876543210 l l
    instance SuppressUnusedWarnings TFHelper_0123456789876543210Sym0 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) TFHelper_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data TFHelper_0123456789876543210Sym0 (l :: TyFun a0123456789876543210 (TyFun a0123456789876543210 Ordering
                                                                            -> GHC.Types.Type))
      = forall arg. SameKind (Apply TFHelper_0123456789876543210Sym0 arg) (TFHelper_0123456789876543210Sym1 arg) =>
        TFHelper_0123456789876543210Sym0KindInference
    type instance Apply TFHelper_0123456789876543210Sym0 l = TFHelper_0123456789876543210Sym1 l
    class PMyOrd (a :: GHC.Types.Type) where
      type Mycompare (arg :: a) (arg :: a) :: Ordering
      type (:<=>) (arg :: a) (arg :: a) :: Ordering
      type (:<=>) a a = Apply (Apply TFHelper_0123456789876543210Sym0 a) a
    type family Mycompare_0123456789876543210 (a :: Nat) (a :: Nat) :: Ordering where
      Mycompare_0123456789876543210 Zero Zero = EQSym0
      Mycompare_0123456789876543210 Zero (Succ _z_0123456789876543210) = LTSym0
      Mycompare_0123456789876543210 (Succ _z_0123456789876543210) Zero = GTSym0
      Mycompare_0123456789876543210 (Succ n) (Succ m) = Apply (Apply MycompareSym0 m) n
    type Mycompare_0123456789876543210Sym2 (t :: Nat) (t :: Nat) =
        Mycompare_0123456789876543210 t t
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym1 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym1KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym1 (l :: Nat) (l :: TyFun Nat Ordering)
      = forall arg. SameKind (Apply (Mycompare_0123456789876543210Sym1 l) arg) (Mycompare_0123456789876543210Sym2 l arg) =>
        Mycompare_0123456789876543210Sym1KindInference
    type instance Apply (Mycompare_0123456789876543210Sym1 l) l = Mycompare_0123456789876543210 l l
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym0 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym0 (l :: TyFun Nat (TyFun Nat Ordering
                                                            -> GHC.Types.Type))
      = forall arg. SameKind (Apply Mycompare_0123456789876543210Sym0 arg) (Mycompare_0123456789876543210Sym1 arg) =>
        Mycompare_0123456789876543210Sym0KindInference
    type instance Apply Mycompare_0123456789876543210Sym0 l = Mycompare_0123456789876543210Sym1 l
    instance PMyOrd Nat where
      type Mycompare (a :: Nat) (a :: Nat) = Apply (Apply Mycompare_0123456789876543210Sym0 a) a
    type family Mycompare_0123456789876543210 (a :: ()) (a :: ()) :: Ordering where
      Mycompare_0123456789876543210 _z_0123456789876543210 a_0123456789876543210 = Apply (Apply ConstSym0 EQSym0) a_0123456789876543210
    type Mycompare_0123456789876543210Sym2 (t :: ()) (t :: ()) =
        Mycompare_0123456789876543210 t t
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym1 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym1KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym1 (l :: ()) (l :: TyFun () Ordering)
      = forall arg. SameKind (Apply (Mycompare_0123456789876543210Sym1 l) arg) (Mycompare_0123456789876543210Sym2 l arg) =>
        Mycompare_0123456789876543210Sym1KindInference
    type instance Apply (Mycompare_0123456789876543210Sym1 l) l = Mycompare_0123456789876543210 l l
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym0 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym0 (l :: TyFun () (TyFun () Ordering
                                                           -> GHC.Types.Type))
      = forall arg. SameKind (Apply Mycompare_0123456789876543210Sym0 arg) (Mycompare_0123456789876543210Sym1 arg) =>
        Mycompare_0123456789876543210Sym0KindInference
    type instance Apply Mycompare_0123456789876543210Sym0 l = Mycompare_0123456789876543210Sym1 l
    instance PMyOrd () where
      type Mycompare (a :: ()) (a :: ()) = Apply (Apply Mycompare_0123456789876543210Sym0 a) a
    type family Mycompare_0123456789876543210 (a :: Foo) (a :: Foo) :: Ordering where
      Mycompare_0123456789876543210 a_0123456789876543210 a_0123456789876543210 = Apply (Apply FooCompareSym0 a_0123456789876543210) a_0123456789876543210
    type Mycompare_0123456789876543210Sym2 (t :: Foo) (t :: Foo) =
        Mycompare_0123456789876543210 t t
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym1 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym1KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym1 (l :: Foo) (l :: TyFun Foo Ordering)
      = forall arg. SameKind (Apply (Mycompare_0123456789876543210Sym1 l) arg) (Mycompare_0123456789876543210Sym2 l arg) =>
        Mycompare_0123456789876543210Sym1KindInference
    type instance Apply (Mycompare_0123456789876543210Sym1 l) l = Mycompare_0123456789876543210 l l
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym0 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym0 (l :: TyFun Foo (TyFun Foo Ordering
                                                            -> GHC.Types.Type))
      = forall arg. SameKind (Apply Mycompare_0123456789876543210Sym0 arg) (Mycompare_0123456789876543210Sym1 arg) =>
        Mycompare_0123456789876543210Sym0KindInference
    type instance Apply Mycompare_0123456789876543210Sym0 l = Mycompare_0123456789876543210Sym1 l
    instance PMyOrd Foo where
      type Mycompare (a :: Foo) (a :: Foo) = Apply (Apply Mycompare_0123456789876543210Sym0 a) a
    type family TFHelper_0123456789876543210 (a :: Foo2) (a :: Foo2) :: Bool where
      TFHelper_0123456789876543210 F F = TrueSym0
      TFHelper_0123456789876543210 G G = TrueSym0
      TFHelper_0123456789876543210 F G = FalseSym0
      TFHelper_0123456789876543210 G F = FalseSym0
    type TFHelper_0123456789876543210Sym2 (t :: Foo2) (t :: Foo2) =
        TFHelper_0123456789876543210 t t
    instance SuppressUnusedWarnings TFHelper_0123456789876543210Sym1 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) TFHelper_0123456789876543210Sym1KindInference)
               GHC.Tuple.())
    data TFHelper_0123456789876543210Sym1 (l :: Foo2) (l :: TyFun Foo2 Bool)
      = forall arg. SameKind (Apply (TFHelper_0123456789876543210Sym1 l) arg) (TFHelper_0123456789876543210Sym2 l arg) =>
        TFHelper_0123456789876543210Sym1KindInference
    type instance Apply (TFHelper_0123456789876543210Sym1 l) l = TFHelper_0123456789876543210 l l
    instance SuppressUnusedWarnings TFHelper_0123456789876543210Sym0 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) TFHelper_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data TFHelper_0123456789876543210Sym0 (l :: TyFun Foo2 (TyFun Foo2 Bool
                                                            -> GHC.Types.Type))
      = forall arg. SameKind (Apply TFHelper_0123456789876543210Sym0 arg) (TFHelper_0123456789876543210Sym1 arg) =>
        TFHelper_0123456789876543210Sym0KindInference
    type instance Apply TFHelper_0123456789876543210Sym0 l = TFHelper_0123456789876543210Sym1 l
    instance PEq Foo2 where
      type (:==) (a :: Foo2) (a :: Foo2) = Apply (Apply TFHelper_0123456789876543210Sym0 a) a
    infix 4 %:<=>
    sFooCompare ::
      forall (t :: Foo) (t :: Foo).
      Sing t
      -> Sing t -> Sing (Apply (Apply FooCompareSym0 t) t :: Ordering)
    sConst ::
      forall (t :: a) (t :: b).
      Sing t -> Sing t -> Sing (Apply (Apply ConstSym0 t) t :: a)
    sFooCompare SA SA = SEQ
    sFooCompare SA SB = SLT
    sFooCompare SB SB = SGT
    sFooCompare SB SA = SEQ
    sConst (sX :: Sing x) _ = sX
    data instance Sing (z :: Foo) = z ~ A => SA | z ~ B => SB
    type SFoo = (Sing :: Foo -> GHC.Types.Type)
    instance SingKind Foo where
      type Demote Foo = Foo
      fromSing SA = A
      fromSing SB = B
      toSing A = SomeSing SA
      toSing B = SomeSing SB
    data instance Sing (z :: Foo2) = z ~ F => SF | z ~ G => SG
    type SFoo2 = (Sing :: Foo2 -> GHC.Types.Type)
    instance SingKind Foo2 where
      type Demote Foo2 = Foo2
      fromSing SF = F
      fromSing SG = G
      toSing F = SomeSing SF
      toSing G = SomeSing SG
    class SMyOrd a where
      sMycompare ::
        forall (t :: a) (t :: a).
        Sing t
        -> Sing t -> Sing (Apply (Apply MycompareSym0 t) t :: Ordering)
      (%:<=>) ::
        forall (t :: a) (t :: a).
        Sing t -> Sing t -> Sing (Apply (Apply (:<=>$) t) t :: Ordering)
      default (%:<=>) ::
                forall (t :: a) (t :: a).
                (Apply (Apply (:<=>$) t) t :: Ordering) ~ Apply (Apply TFHelper_0123456789876543210Sym0 t) t =>
                Sing t -> Sing t -> Sing (Apply (Apply (:<=>$) t) t :: Ordering)
      (%:<=>)
        (sA_0123456789876543210 :: Sing a_0123456789876543210)
        (sA_0123456789876543210 :: Sing a_0123456789876543210)
        = (applySing
             ((applySing ((singFun2 @MycompareSym0) sMycompare))
                sA_0123456789876543210))
            sA_0123456789876543210
    instance SMyOrd Nat where
      sMycompare ::
        forall (t :: Nat) (t :: Nat).
        Sing t
        -> Sing t -> Sing (Apply (Apply MycompareSym0 t) t :: Ordering)
      sMycompare SZero SZero = SEQ
      sMycompare SZero (SSucc _) = SLT
      sMycompare (SSucc _) SZero = SGT
      sMycompare (SSucc (sN :: Sing n)) (SSucc (sM :: Sing m))
        = (applySing
             ((applySing ((singFun2 @MycompareSym0) sMycompare)) sM))
            sN
    instance SMyOrd () where
      sMycompare ::
        forall (t :: ()) (t :: ()).
        Sing t
        -> Sing t -> Sing (Apply (Apply MycompareSym0 t) t :: Ordering)
      sMycompare _ (sA_0123456789876543210 :: Sing a_0123456789876543210)
        = (applySing ((applySing ((singFun2 @ConstSym0) sConst)) SEQ))
            sA_0123456789876543210
    instance SMyOrd Foo where
      sMycompare ::
        forall (t :: Foo) (t :: Foo).
        Sing t
        -> Sing t -> Sing (Apply (Apply MycompareSym0 t) t :: Ordering)
      sMycompare
        (sA_0123456789876543210 :: Sing a_0123456789876543210)
        (sA_0123456789876543210 :: Sing a_0123456789876543210)
        = (applySing
             ((applySing ((singFun2 @FooCompareSym0) sFooCompare))
                sA_0123456789876543210))
            sA_0123456789876543210
    instance SEq Foo2 where
      (%:==) ::
        forall (a :: Foo2) (b :: Foo2).
        Sing a -> Sing b -> Sing ((:==) a b)
      (%:==) SF SF = STrue
      (%:==) SG SG = STrue
      (%:==) SF SG = SFalse
      (%:==) SG SF = SFalse
    instance SingI A where
      sing = SA
    instance SingI B where
      sing = SB
    instance SingI F where
      sing = SF
    instance SingI G where
      sing = SG
Singletons/Classes.hs:(0,0)-(0,0): Splicing declarations
    promote
      [d| instance Ord Foo2 where
            F `compare` F = EQ
            F `compare` _ = LT
            _ `compare` _ = GT
          instance MyOrd Foo2 where
            F `mycompare` F = EQ
            F `mycompare` _ = LT
            _ `mycompare` _ = GT |]
  ======>
    instance MyOrd Foo2 where
      mycompare F F = EQ
      mycompare F _ = LT
      mycompare _ _ = GT
    instance Ord Foo2 where
      compare F F = EQ
      compare F _ = LT
      compare _ _ = GT
    type family Mycompare_0123456789876543210 (a :: Foo2) (a :: Foo2) :: Ordering where
      Mycompare_0123456789876543210 F F = EQSym0
      Mycompare_0123456789876543210 F _z_0123456789876543210 = LTSym0
      Mycompare_0123456789876543210 _z_0123456789876543210 _z_0123456789876543210 = GTSym0
    type Mycompare_0123456789876543210Sym2 (t :: Foo2) (t :: Foo2) =
        Mycompare_0123456789876543210 t t
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym1 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym1KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym1 (l :: Foo2) (l :: TyFun Foo2 Ordering)
      = forall arg. SameKind (Apply (Mycompare_0123456789876543210Sym1 l) arg) (Mycompare_0123456789876543210Sym2 l arg) =>
        Mycompare_0123456789876543210Sym1KindInference
    type instance Apply (Mycompare_0123456789876543210Sym1 l) l = Mycompare_0123456789876543210 l l
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym0 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym0 (l :: TyFun Foo2 (TyFun Foo2 Ordering
                                                             -> GHC.Types.Type))
      = forall arg. SameKind (Apply Mycompare_0123456789876543210Sym0 arg) (Mycompare_0123456789876543210Sym1 arg) =>
        Mycompare_0123456789876543210Sym0KindInference
    type instance Apply Mycompare_0123456789876543210Sym0 l = Mycompare_0123456789876543210Sym1 l
    instance PMyOrd Foo2 where
      type Mycompare (a :: Foo2) (a :: Foo2) = Apply (Apply Mycompare_0123456789876543210Sym0 a) a
    type family Compare_0123456789876543210 (a :: Foo2) (a :: Foo2) :: Ordering where
      Compare_0123456789876543210 F F = EQSym0
      Compare_0123456789876543210 F _z_0123456789876543210 = LTSym0
      Compare_0123456789876543210 _z_0123456789876543210 _z_0123456789876543210 = GTSym0
    type Compare_0123456789876543210Sym2 (t :: Foo2) (t :: Foo2) =
        Compare_0123456789876543210 t t
    instance SuppressUnusedWarnings Compare_0123456789876543210Sym1 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Compare_0123456789876543210Sym1KindInference)
               GHC.Tuple.())
    data Compare_0123456789876543210Sym1 (l :: Foo2) (l :: TyFun Foo2 Ordering)
      = forall arg. SameKind (Apply (Compare_0123456789876543210Sym1 l) arg) (Compare_0123456789876543210Sym2 l arg) =>
        Compare_0123456789876543210Sym1KindInference
    type instance Apply (Compare_0123456789876543210Sym1 l) l = Compare_0123456789876543210 l l
    instance SuppressUnusedWarnings Compare_0123456789876543210Sym0 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Compare_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data Compare_0123456789876543210Sym0 (l :: TyFun Foo2 (TyFun Foo2 Ordering
                                                           -> GHC.Types.Type))
      = forall arg. SameKind (Apply Compare_0123456789876543210Sym0 arg) (Compare_0123456789876543210Sym1 arg) =>
        Compare_0123456789876543210Sym0KindInference
    type instance Apply Compare_0123456789876543210Sym0 l = Compare_0123456789876543210Sym1 l
    instance POrd Foo2 where
      type Compare (a :: Foo2) (a :: Foo2) = Apply (Apply Compare_0123456789876543210Sym0 a) a
Singletons/Classes.hs:(0,0)-(0,0): Splicing declarations
    singletons
      [d| data Nat' = Zero' | Succ' Nat'
          
          instance MyOrd Nat' where
            Zero' `mycompare` Zero' = EQ
            Zero' `mycompare` (Succ' _) = LT
            (Succ' _) `mycompare` Zero' = GT
            (Succ' n) `mycompare` (Succ' m) = m `mycompare` n |]
  ======>
    data Nat' = Zero' | Succ' Nat'
    instance MyOrd Nat' where
      mycompare Zero' Zero' = EQ
      mycompare Zero' (Succ' _) = LT
      mycompare (Succ' _) Zero' = GT
      mycompare (Succ' n) (Succ' m) = (m `mycompare` n)
    type Zero'Sym0 = Zero'
    type Succ'Sym1 (t :: Nat') = Succ' t
    instance SuppressUnusedWarnings Succ'Sym0 where
      suppressUnusedWarnings _
        = snd ((GHC.Tuple.(,) Succ'Sym0KindInference) GHC.Tuple.())
    data Succ'Sym0 (l :: TyFun Nat' Nat')
      = forall arg. SameKind (Apply Succ'Sym0 arg) (Succ'Sym1 arg) =>
        Succ'Sym0KindInference
    type instance Apply Succ'Sym0 l = Succ' l
    type family Mycompare_0123456789876543210 (a :: Nat') (a :: Nat') :: Ordering where
      Mycompare_0123456789876543210 Zero' Zero' = EQSym0
      Mycompare_0123456789876543210 Zero' (Succ' _z_0123456789876543210) = LTSym0
      Mycompare_0123456789876543210 (Succ' _z_0123456789876543210) Zero' = GTSym0
      Mycompare_0123456789876543210 (Succ' n) (Succ' m) = Apply (Apply MycompareSym0 m) n
    type Mycompare_0123456789876543210Sym2 (t :: Nat') (t :: Nat') =
        Mycompare_0123456789876543210 t t
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym1 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym1KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym1 (l :: Nat') (l :: TyFun Nat' Ordering)
      = forall arg. SameKind (Apply (Mycompare_0123456789876543210Sym1 l) arg) (Mycompare_0123456789876543210Sym2 l arg) =>
        Mycompare_0123456789876543210Sym1KindInference
    type instance Apply (Mycompare_0123456789876543210Sym1 l) l = Mycompare_0123456789876543210 l l
    instance SuppressUnusedWarnings Mycompare_0123456789876543210Sym0 where
      suppressUnusedWarnings _
        = snd
            ((GHC.Tuple.(,) Mycompare_0123456789876543210Sym0KindInference)
               GHC.Tuple.())
    data Mycompare_0123456789876543210Sym0 (l :: TyFun Nat' (TyFun Nat' Ordering
                                                             -> GHC.Types.Type))
      = forall arg. SameKind (Apply Mycompare_0123456789876543210Sym0 arg) (Mycompare_0123456789876543210Sym1 arg) =>
        Mycompare_0123456789876543210Sym0KindInference
    type instance Apply Mycompare_0123456789876543210Sym0 l = Mycompare_0123456789876543210Sym1 l
    instance PMyOrd Nat' where
      type Mycompare (a :: Nat') (a :: Nat') = Apply (Apply Mycompare_0123456789876543210Sym0 a) a
    data instance Sing (z :: Nat')
      = z ~ Zero' => SZero' |
        forall (n :: Nat'). z ~ Succ' n => SSucc' (Sing (n :: Nat'))
    type SNat' = (Sing :: Nat' -> GHC.Types.Type)
    instance SingKind Nat' where
      type Demote Nat' = Nat'
      fromSing SZero' = Zero'
      fromSing (SSucc' b) = Succ' (fromSing b)
      toSing Zero' = SomeSing SZero'
      toSing (Succ' b)
        = case toSing b :: SomeSing Nat' of {
            SomeSing c -> SomeSing (SSucc' c) }
    instance SMyOrd Nat' where
      sMycompare ::
        forall (t :: Nat') (t :: Nat').
        Sing t
        -> Sing t
           -> Sing (Apply (Apply (MycompareSym0 :: TyFun Nat' (TyFun Nat' Ordering
                                                               -> GHC.Types.Type)
                                                   -> GHC.Types.Type) t :: TyFun Nat' Ordering
                                                                           -> GHC.Types.Type) t :: Ordering)
      sMycompare SZero' SZero' = SEQ
      sMycompare SZero' (SSucc' _) = SLT
      sMycompare (SSucc' _) SZero' = SGT
      sMycompare (SSucc' (sN :: Sing n)) (SSucc' (sM :: Sing m))
        = (applySing
             ((applySing ((singFun2 @MycompareSym0) sMycompare)) sM))
            sN
    instance SingI Zero' where
      sing = SZero'
    instance SingI n => SingI (Succ' (n :: Nat')) where
      sing = SSucc' sing