Singletons/T136b.hs:(0,0)-(0,0): Splicing declarations
    singletons
      [d| class C a where
            meth :: a -> a |]
  ======>
    class C a where
      meth :: a -> a
    type MethSym1 (t :: a0123456789) = Meth t
    instance SuppressUnusedWarnings MethSym0 where
      suppressUnusedWarnings _
        = snd (GHC.Tuple.(,) MethSym0KindInference GHC.Tuple.())
    data MethSym0 (l :: TyFun a0123456789 a0123456789)
      = forall arg. KindOf (Apply MethSym0 arg) ~ KindOf (MethSym1 arg) =>
        MethSym0KindInference
    type instance Apply MethSym0 l = MethSym1 l
    class kproxy ~ KProxy => PC (kproxy :: KProxy a) where
      type family Meth (arg :: a) :: a
    class kproxy ~ KProxy => SC (kproxy :: KProxy a) where
      sMeth :: forall (t :: a). Sing t -> Sing (Apply MethSym0 t :: a)
Singletons/T136b.hs:(0,0)-(0,0): Splicing declarations
    singletons
      [d| instance C Bool where
            meth = not |]
  ======>
    instance C Bool where
      meth = not
    type family Meth_0123456789 (a :: Bool) :: Bool where
      Meth_0123456789 a_0123456789 = Apply NotSym0 a_0123456789
    type Meth_0123456789Sym1 (t :: Bool) = Meth_0123456789 t
    instance SuppressUnusedWarnings Meth_0123456789Sym0 where
      suppressUnusedWarnings _
        = snd (GHC.Tuple.(,) Meth_0123456789Sym0KindInference GHC.Tuple.())
    data Meth_0123456789Sym0 (l :: TyFun Bool Bool)
      = forall arg. KindOf (Apply Meth_0123456789Sym0 arg) ~ KindOf (Meth_0123456789Sym1 arg) =>
        Meth_0123456789Sym0KindInference
    type instance Apply Meth_0123456789Sym0 l = Meth_0123456789Sym1 l
    instance PC (KProxy :: KProxy Bool) where
      type Meth (a :: Bool) = Apply Meth_0123456789Sym0 a
    instance SC (KProxy :: KProxy Bool) where
      sMeth ::
        forall (t :: Bool).
        Sing t -> Sing (Apply (MethSym0 :: TyFun Bool Bool -> *) t :: Bool)
      sMeth sA_0123456789
        = let
            lambda ::
              forall a_0123456789. t ~ a_0123456789 =>
              Sing a_0123456789 -> Sing (Apply MethSym0 t :: Bool)
            lambda a_0123456789
              = applySing (singFun1 (Proxy :: Proxy NotSym0) sNot) a_0123456789
          in lambda sA_0123456789