Singletons/EmptyShowDeriving.hs:(0,0)-(0,0): Splicing declarations
    singletons
      [d| data Foo
          
          deriving instance Show Foo |]
  ======>
    data Foo
    deriving instance Show Foo
    type family Case_0123456789876543210 v_0123456789876543210 a_0123456789876543210 t where
    type family ShowsPrec_0123456789876543210 (a :: GHC.Types.Nat) (a :: Foo) (a :: GHC.Types.Symbol) :: GHC.Types.Symbol where
      ShowsPrec_0123456789876543210 _ v_0123456789876543210 a_0123456789876543210 = Apply (Case_0123456789876543210 v_0123456789876543210 a_0123456789876543210 v_0123456789876543210) a_0123456789876543210
    type ShowsPrec_0123456789876543210Sym3 (a0123456789876543210 :: GHC.Types.Nat) (a0123456789876543210 :: Foo) (a0123456789876543210 :: GHC.Types.Symbol) =
        ShowsPrec_0123456789876543210 a0123456789876543210 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (ShowsPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210) where
      suppressUnusedWarnings
        = snd (((,) ShowsPrec_0123456789876543210Sym2KindInference) ())
    data ShowsPrec_0123456789876543210Sym2 (a0123456789876543210 :: GHC.Types.Nat) (a0123456789876543210 :: Foo) :: (~>) GHC.Types.Symbol GHC.Types.Symbol
      where
        ShowsPrec_0123456789876543210Sym2KindInference :: forall a0123456789876543210
                                                                 a0123456789876543210
                                                                 a0123456789876543210
                                                                 arg. SameKind (Apply (ShowsPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210) arg) (ShowsPrec_0123456789876543210Sym3 a0123456789876543210 a0123456789876543210 arg) =>
                                                          ShowsPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210 a0123456789876543210
    type instance Apply (ShowsPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210) a0123456789876543210 = ShowsPrec_0123456789876543210 a0123456789876543210 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (ShowsPrec_0123456789876543210Sym1 a0123456789876543210) where
      suppressUnusedWarnings
        = snd (((,) ShowsPrec_0123456789876543210Sym1KindInference) ())
    data ShowsPrec_0123456789876543210Sym1 (a0123456789876543210 :: GHC.Types.Nat) :: (~>) Foo ((~>) GHC.Types.Symbol GHC.Types.Symbol)
      where
        ShowsPrec_0123456789876543210Sym1KindInference :: forall a0123456789876543210
                                                                 a0123456789876543210
                                                                 arg. SameKind (Apply (ShowsPrec_0123456789876543210Sym1 a0123456789876543210) arg) (ShowsPrec_0123456789876543210Sym2 a0123456789876543210 arg) =>
                                                          ShowsPrec_0123456789876543210Sym1 a0123456789876543210 a0123456789876543210
    type instance Apply (ShowsPrec_0123456789876543210Sym1 a0123456789876543210) a0123456789876543210 = ShowsPrec_0123456789876543210Sym2 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings ShowsPrec_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd (((,) ShowsPrec_0123456789876543210Sym0KindInference) ())
    data ShowsPrec_0123456789876543210Sym0 :: (~>) GHC.Types.Nat ((~>) Foo ((~>) GHC.Types.Symbol GHC.Types.Symbol))
      where
        ShowsPrec_0123456789876543210Sym0KindInference :: forall a0123456789876543210
                                                                 arg. SameKind (Apply ShowsPrec_0123456789876543210Sym0 arg) (ShowsPrec_0123456789876543210Sym1 arg) =>
                                                          ShowsPrec_0123456789876543210Sym0 a0123456789876543210
    type instance Apply ShowsPrec_0123456789876543210Sym0 a0123456789876543210 = ShowsPrec_0123456789876543210Sym1 a0123456789876543210
    instance PShow Foo where
      type ShowsPrec a a a = Apply (Apply (Apply ShowsPrec_0123456789876543210Sym0 a) a) a
    data instance Sing :: Foo -> GHC.Types.Type
    type SFoo = (Sing :: Foo -> GHC.Types.Type)
    instance SingKind Foo where
      type Demote Foo = Foo
      fromSing x = case x of
      toSing x = SomeSing (case x of)
    instance SShow Foo where
      sShowsPrec ::
        forall (t1 :: GHC.Types.Nat) (t2 :: Foo) (t3 :: GHC.Types.Symbol).
        Sing t1
        -> Sing t2
           -> Sing t3
              -> Sing (Apply (Apply (Apply (ShowsPrecSym0 :: TyFun GHC.Types.Nat ((~>) Foo ((~>) GHC.Types.Symbol GHC.Types.Symbol))
                                                             -> GHC.Types.Type) t1) t2) t3)
      sShowsPrec
        _
        (sV_0123456789876543210 :: Sing v_0123456789876543210)
        (sA_0123456789876543210 :: Sing a_0123456789876543210)
        = (applySing
             ((case sV_0123456789876543210 of) ::
                Sing (Case_0123456789876543210 v_0123456789876543210 a_0123456789876543210 v_0123456789876543210)))
            sA_0123456789876543210
    deriving instance Show (Sing (z :: Foo))