Singletons/T166.hs:(0,0)-(0,0): Splicing declarations
    singletonsOnly
      [d| class Foo a where
            foosPrec :: Nat -> a -> [Bool] -> [Bool]
            foo :: a -> [Bool]
            foo x s = foosPrec 0 x s |]
  ======>
    type FoosPrecSym3 (arg0123456789876543210 :: Nat) (arg0123456789876543210 :: a0123456789876543210) (arg0123456789876543210 :: [Bool]) =
        FoosPrec arg0123456789876543210 arg0123456789876543210 arg0123456789876543210
    instance SuppressUnusedWarnings (FoosPrecSym2 arg0123456789876543210 arg0123456789876543210) where
      suppressUnusedWarnings = snd (((,) FoosPrecSym2KindInference) ())
    data FoosPrecSym2 (arg0123456789876543210 :: Nat) (arg0123456789876543210 :: a0123456789876543210) :: (~>) [Bool] [Bool]
      where
        FoosPrecSym2KindInference :: forall arg0123456789876543210
                                            arg0123456789876543210
                                            arg0123456789876543210
                                            arg. SameKind (Apply (FoosPrecSym2 arg0123456789876543210 arg0123456789876543210) arg) (FoosPrecSym3 arg0123456789876543210 arg0123456789876543210 arg) =>
                                     FoosPrecSym2 arg0123456789876543210 arg0123456789876543210 arg0123456789876543210
    type instance Apply (FoosPrecSym2 arg0123456789876543210 arg0123456789876543210) arg0123456789876543210 = FoosPrec arg0123456789876543210 arg0123456789876543210 arg0123456789876543210
    instance SuppressUnusedWarnings (FoosPrecSym1 arg0123456789876543210) where
      suppressUnusedWarnings = snd (((,) FoosPrecSym1KindInference) ())
    data FoosPrecSym1 (arg0123456789876543210 :: Nat) :: forall a0123456789876543210.
                                                         (~>) a0123456789876543210 ((~>) [Bool] [Bool])
      where
        FoosPrecSym1KindInference :: forall arg0123456789876543210
                                            arg0123456789876543210
                                            arg. SameKind (Apply (FoosPrecSym1 arg0123456789876543210) arg) (FoosPrecSym2 arg0123456789876543210 arg) =>
                                     FoosPrecSym1 arg0123456789876543210 arg0123456789876543210
    type instance Apply (FoosPrecSym1 arg0123456789876543210) arg0123456789876543210 = FoosPrecSym2 arg0123456789876543210 arg0123456789876543210
    instance SuppressUnusedWarnings FoosPrecSym0 where
      suppressUnusedWarnings = snd (((,) FoosPrecSym0KindInference) ())
    data FoosPrecSym0 :: forall a0123456789876543210.
                         (~>) Nat ((~>) a0123456789876543210 ((~>) [Bool] [Bool]))
      where
        FoosPrecSym0KindInference :: forall arg0123456789876543210
                                            arg. SameKind (Apply FoosPrecSym0 arg) (FoosPrecSym1 arg) =>
                                     FoosPrecSym0 arg0123456789876543210
    type instance Apply FoosPrecSym0 arg0123456789876543210 = FoosPrecSym1 arg0123456789876543210
    type FooSym1 (arg0123456789876543210 :: a0123456789876543210) =
        Foo arg0123456789876543210
    instance SuppressUnusedWarnings FooSym0 where
      suppressUnusedWarnings = snd (((,) FooSym0KindInference) ())
    data FooSym0 :: forall a0123456789876543210.
                    (~>) a0123456789876543210 [Bool]
      where
        FooSym0KindInference :: forall arg0123456789876543210
                                       arg. SameKind (Apply FooSym0 arg) (FooSym1 arg) =>
                                FooSym0 arg0123456789876543210
    type instance Apply FooSym0 arg0123456789876543210 = Foo arg0123456789876543210
    type family Lambda_0123456789876543210 x t where
      Lambda_0123456789876543210 x s = Apply (Apply (Apply FoosPrecSym0 (Data.Singletons.Prelude.Num.FromInteger 0)) x) s
    type Lambda_0123456789876543210Sym2 x0123456789876543210 t0123456789876543210 =
        Lambda_0123456789876543210 x0123456789876543210 t0123456789876543210
    instance SuppressUnusedWarnings (Lambda_0123456789876543210Sym1 x0123456789876543210) where
      suppressUnusedWarnings
        = snd (((,) Lambda_0123456789876543210Sym1KindInference) ())
    data Lambda_0123456789876543210Sym1 x0123456789876543210 t0123456789876543210
      where
        Lambda_0123456789876543210Sym1KindInference :: forall x0123456789876543210
                                                              t0123456789876543210
                                                              arg. SameKind (Apply (Lambda_0123456789876543210Sym1 x0123456789876543210) arg) (Lambda_0123456789876543210Sym2 x0123456789876543210 arg) =>
                                                       Lambda_0123456789876543210Sym1 x0123456789876543210 t0123456789876543210
    type instance Apply (Lambda_0123456789876543210Sym1 x0123456789876543210) t0123456789876543210 = Lambda_0123456789876543210 x0123456789876543210 t0123456789876543210
    instance SuppressUnusedWarnings Lambda_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd (((,) Lambda_0123456789876543210Sym0KindInference) ())
    data Lambda_0123456789876543210Sym0 x0123456789876543210
      where
        Lambda_0123456789876543210Sym0KindInference :: forall x0123456789876543210
                                                              arg. SameKind (Apply Lambda_0123456789876543210Sym0 arg) (Lambda_0123456789876543210Sym1 arg) =>
                                                       Lambda_0123456789876543210Sym0 x0123456789876543210
    type instance Apply Lambda_0123456789876543210Sym0 x0123456789876543210 = Lambda_0123456789876543210Sym1 x0123456789876543210
    type family Foo_0123456789876543210 (a :: a) :: [Bool] where
      Foo_0123456789876543210 x = Apply Lambda_0123456789876543210Sym0 x
    type Foo_0123456789876543210Sym1 (a0123456789876543210 :: a0123456789876543210) =
        Foo_0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings Foo_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd (((,) Foo_0123456789876543210Sym0KindInference) ())
    data Foo_0123456789876543210Sym0 :: forall a0123456789876543210.
                                        (~>) a0123456789876543210 [Bool]
      where
        Foo_0123456789876543210Sym0KindInference :: forall a0123456789876543210
                                                           arg. SameKind (Apply Foo_0123456789876543210Sym0 arg) (Foo_0123456789876543210Sym1 arg) =>
                                                    Foo_0123456789876543210Sym0 a0123456789876543210
    type instance Apply Foo_0123456789876543210Sym0 a0123456789876543210 = Foo_0123456789876543210 a0123456789876543210
    class PFoo (a :: GHC.Types.Type) where
      type FoosPrec (arg :: Nat) (arg :: a) (arg :: [Bool]) :: [Bool]
      type Foo (arg :: a) :: [Bool]
      type Foo a = Apply Foo_0123456789876543210Sym0 a
    class SFoo a where
      sFoosPrec ::
        forall (t :: Nat) (t :: a) (t :: [Bool]).
        Sing t
        -> Sing t
           -> Sing t
              -> Sing (Apply (Apply (Apply FoosPrecSym0 t) t) t :: [Bool])
      sFoo :: forall (t :: a). Sing t -> Sing (Apply FooSym0 t :: [Bool])
      default sFoo ::
                forall (t :: a).
                (Apply FooSym0 t :: [Bool])
                ~ Apply Foo_0123456789876543210Sym0 t =>
                Sing t -> Sing (Apply FooSym0 t :: [Bool])
      sFoo (sX :: Sing x)
        = (singFun1 @(Apply Lambda_0123456789876543210Sym0 x))
            (\ sS
               -> case sS of {
                    (_ :: Sing s)
                      -> (applySing
                            ((applySing
                                ((applySing ((singFun3 @FoosPrecSym0) sFoosPrec))
                                   (Data.Singletons.Prelude.Num.sFromInteger (sing :: Sing 0))))
                               sX))
                           sS })
    instance SFoo a =>
             SingI (FoosPrecSym0 :: (~>) Nat ((~>) a ((~>) [Bool] [Bool]))) where
      sing = (singFun3 @FoosPrecSym0) sFoosPrec
    instance (SFoo a, SingI d) =>
             SingI (FoosPrecSym1 (d :: Nat) :: (~>) a ((~>) [Bool] [Bool])) where
      sing = (singFun2 @(FoosPrecSym1 (d :: Nat))) (sFoosPrec (sing @d))
    instance (SFoo a, SingI d, SingI d) =>
             SingI (FoosPrecSym2 (d :: Nat) (d :: a) :: (~>) [Bool] [Bool]) where
      sing
        = (singFun1 @(FoosPrecSym2 (d :: Nat) (d :: a)))
            ((sFoosPrec (sing @d)) (sing @d))
    instance SFoo a => SingI (FooSym0 :: (~>) a [Bool]) where
      sing = (singFun1 @FooSym0) sFoo

Singletons/T166.hs:0:0: error:
    • Expecting one more argument to ‘Apply Lambda_0123456789876543210Sym0 x’
      Expected kind ‘[Bool]’,
        but ‘Apply Lambda_0123456789876543210Sym0 x’ has kind ‘TyFun
                                                                 [Bool] [Bool]
                                                               -> Type’
    • In the type ‘Apply Lambda_0123456789876543210Sym0 x’
      In the type family declaration for ‘Foo_0123456789876543210’
   |
14 | $(singletonsOnly [d|
   |   ^^^^^^^^^^^^^^^^^^...