Singletons/T183.hs:(0,0)-(0,0): Splicing declarations
    singletons
      [d| f1 (x :: Maybe Bool) = (x :: Maybe Bool)
          f2 (x :: Maybe a) = (x :: Maybe a)
          f3 (Just a :: Maybe Bool) = "hi"
          g x = case Just x of { (Just y :: Maybe Bool) -> (y :: Bool) }
          foo1 :: Maybe a -> a
          foo1 (Just x :: Maybe a) = (x :: a)
          foo2, foo3 :: forall a. Maybe a -> a
          foo2 (Just x :: Maybe a) = (x :: a)
          foo3 (Just x) = (x :: a)
          foo4 :: (a, b) -> (b, a)
          foo4 = \ (x :: a, y :: b) -> (y :: b, x :: a)
          foo5, foo6 :: Maybe (Maybe a) -> Maybe (Maybe a)
          foo5 (Just (Just (x :: a) :: Maybe a) :: Maybe (Maybe a))
            = Just (Just (x :: a) :: Maybe a) :: Maybe (Maybe a)
          foo6 (Just x :: Maybe (Maybe a))
            = case x :: Maybe a of {
                (Just (y :: a) :: Maybe a) -> Just (Just (y :: a) :: Maybe a) }
          foo7 :: a -> b -> a
          foo7 (x :: a) (_ :: b) = (x :: a)
          foo8 :: forall a. Maybe a -> Maybe a
          foo8 x@(Just (_ :: a) :: Maybe a) = x
          foo9 :: a -> a
          foo9 (x :: a)
            = let
                g :: a -> b -> a
                g y _ = y
              in g x () |]
  ======>
    f1 (x :: Maybe Bool) = x :: Maybe Bool
    f2 (x :: Maybe a) = x :: Maybe a
    f3 (Just a :: Maybe Bool) = "hi"
    g x = case Just x of { (Just y :: Maybe Bool) -> y :: Bool }
    foo1 :: Maybe a -> a
    foo1 (Just x :: Maybe a) = x :: a
    foo2 :: forall a. Maybe a -> a
    foo3 :: forall a. Maybe a -> a
    foo2 (Just x :: Maybe a) = x :: a
    foo3 (Just x) = x :: a
    foo4 :: (a, b) -> (b, a)
    foo4 = \ (x :: a, y :: b) -> (y :: b, x :: a)
    foo5 :: Maybe (Maybe a) -> Maybe (Maybe a)
    foo6 :: Maybe (Maybe a) -> Maybe (Maybe a)
    foo5 (Just (Just (x :: a) :: Maybe a) :: Maybe (Maybe a))
      = Just (Just (x :: a) :: Maybe a) :: Maybe (Maybe a)
    foo6 (Just x :: Maybe (Maybe a))
      = case x :: Maybe a of {
          (Just (y :: a) :: Maybe a) -> Just (Just (y :: a) :: Maybe a) }
    foo7 :: a -> b -> a
    foo7 (x :: a) (_ :: b) = x :: a
    foo8 :: forall a. Maybe a -> Maybe a
    foo8 x@(Just (_ :: a) :: Maybe a) = x
    foo9 :: a -> a
    foo9 (x :: a)
      = let
          g :: a -> b -> a
          g y _ = y
        in (g x) ()
    type Let0123456789876543210GSym3 x0123456789876543210 (a0123456789876543210 :: a) (a0123456789876543210 :: b0123456789876543210) =
        Let0123456789876543210G x0123456789876543210 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (Let0123456789876543210GSym2 a0123456789876543210 x0123456789876543210) where
      suppressUnusedWarnings
        = snd (((,) Let0123456789876543210GSym2KindInference) ())
    data Let0123456789876543210GSym2 x0123456789876543210 (a0123456789876543210 :: a) :: forall b0123456789876543210.
                                                                                         (~>) b0123456789876543210 a
      where
        Let0123456789876543210GSym2KindInference :: forall x0123456789876543210
                                                           a0123456789876543210
                                                           a0123456789876543210
                                                           arg. SameKind (Apply (Let0123456789876543210GSym2 x0123456789876543210 a0123456789876543210) arg) (Let0123456789876543210GSym3 x0123456789876543210 a0123456789876543210 arg) =>
                                                    Let0123456789876543210GSym2 x0123456789876543210 a0123456789876543210 a0123456789876543210
    type instance Apply (Let0123456789876543210GSym2 a0123456789876543210 x0123456789876543210) a0123456789876543210 = Let0123456789876543210G a0123456789876543210 x0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (Let0123456789876543210GSym1 x0123456789876543210) where
      suppressUnusedWarnings
        = snd (((,) Let0123456789876543210GSym1KindInference) ())
    data Let0123456789876543210GSym1 x0123456789876543210 :: forall b0123456789876543210
                                                                    a.
                                                             (~>) a ((~>) b0123456789876543210 a)
      where
        Let0123456789876543210GSym1KindInference :: forall x0123456789876543210
                                                           a0123456789876543210
                                                           arg. SameKind (Apply (Let0123456789876543210GSym1 x0123456789876543210) arg) (Let0123456789876543210GSym2 x0123456789876543210 arg) =>
                                                    Let0123456789876543210GSym1 x0123456789876543210 a0123456789876543210
    type instance Apply (Let0123456789876543210GSym1 x0123456789876543210) a0123456789876543210 = Let0123456789876543210GSym2 x0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings Let0123456789876543210GSym0 where
      suppressUnusedWarnings
        = snd (((,) Let0123456789876543210GSym0KindInference) ())
    data Let0123456789876543210GSym0 x0123456789876543210
      where
        Let0123456789876543210GSym0KindInference :: forall x0123456789876543210
                                                           arg. SameKind (Apply Let0123456789876543210GSym0 arg) (Let0123456789876543210GSym1 arg) =>
                                                    Let0123456789876543210GSym0 x0123456789876543210
    type instance Apply Let0123456789876543210GSym0 x0123456789876543210 = Let0123456789876543210GSym1 x0123456789876543210
    type family Let0123456789876543210G x (a :: a) (a :: b) :: a where
      Let0123456789876543210G x y _ = y
    type Let0123456789876543210XSym1 wild_01234567898765432100123456789876543210 =
        Let0123456789876543210X wild_01234567898765432100123456789876543210
    instance SuppressUnusedWarnings Let0123456789876543210XSym0 where
      suppressUnusedWarnings
        = snd (((,) Let0123456789876543210XSym0KindInference) ())
    data Let0123456789876543210XSym0 wild_01234567898765432100123456789876543210
      where
        Let0123456789876543210XSym0KindInference :: forall wild_01234567898765432100123456789876543210
                                                           arg. SameKind (Apply Let0123456789876543210XSym0 arg) (Let0123456789876543210XSym1 arg) =>
                                                    Let0123456789876543210XSym0 wild_01234567898765432100123456789876543210
    type instance Apply Let0123456789876543210XSym0 wild_01234567898765432100123456789876543210 = Let0123456789876543210X wild_01234567898765432100123456789876543210
    type family Let0123456789876543210X wild_0123456789876543210 where
      Let0123456789876543210X wild_0123456789876543210 = (Apply JustSym0 (wild_0123456789876543210 :: a) :: Maybe a)
    type Let0123456789876543210Scrutinee_0123456789876543210Sym1 x0123456789876543210 =
        Let0123456789876543210Scrutinee_0123456789876543210 x0123456789876543210
    instance SuppressUnusedWarnings Let0123456789876543210Scrutinee_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd
            (((,)
                Let0123456789876543210Scrutinee_0123456789876543210Sym0KindInference)
               ())
    data Let0123456789876543210Scrutinee_0123456789876543210Sym0 x0123456789876543210
      where
        Let0123456789876543210Scrutinee_0123456789876543210Sym0KindInference :: forall x0123456789876543210
                                                                                       arg. SameKind (Apply Let0123456789876543210Scrutinee_0123456789876543210Sym0 arg) (Let0123456789876543210Scrutinee_0123456789876543210Sym1 arg) =>
                                                                                Let0123456789876543210Scrutinee_0123456789876543210Sym0 x0123456789876543210
    type instance Apply Let0123456789876543210Scrutinee_0123456789876543210Sym0 x0123456789876543210 = Let0123456789876543210Scrutinee_0123456789876543210 x0123456789876543210
    type family Let0123456789876543210Scrutinee_0123456789876543210 x where
      Let0123456789876543210Scrutinee_0123456789876543210 x = (x :: Maybe a)
    type family Case_0123456789876543210 x t where
      Case_0123456789876543210 x ( 'Just (y :: a) :: Maybe a) = Apply JustSym0 (Apply JustSym0 (y :: a) :: Maybe a)
    type family Case_0123456789876543210 arg_0123456789876543210 a_0123456789876543210 t where
      Case_0123456789876543210 arg_0123456789876543210 a_0123456789876543210 '((x :: a),
                                                                               (y :: b)) = Apply (Apply Tuple2Sym0 (y :: b)) (x :: a)
    type family Lambda_0123456789876543210 a_0123456789876543210 t where
      Lambda_0123456789876543210 a_0123456789876543210 arg_0123456789876543210 = Case_0123456789876543210 arg_0123456789876543210 a_0123456789876543210 arg_0123456789876543210
    type Lambda_0123456789876543210Sym2 a_01234567898765432100123456789876543210 t0123456789876543210 =
        Lambda_0123456789876543210 a_01234567898765432100123456789876543210 t0123456789876543210
    instance SuppressUnusedWarnings (Lambda_0123456789876543210Sym1 a_01234567898765432100123456789876543210) where
      suppressUnusedWarnings
        = snd (((,) Lambda_0123456789876543210Sym1KindInference) ())
    data Lambda_0123456789876543210Sym1 a_01234567898765432100123456789876543210 t0123456789876543210
      where
        Lambda_0123456789876543210Sym1KindInference :: forall a_01234567898765432100123456789876543210
                                                              t0123456789876543210
                                                              arg. SameKind (Apply (Lambda_0123456789876543210Sym1 a_01234567898765432100123456789876543210) arg) (Lambda_0123456789876543210Sym2 a_01234567898765432100123456789876543210 arg) =>
                                                       Lambda_0123456789876543210Sym1 a_01234567898765432100123456789876543210 t0123456789876543210
    type instance Apply (Lambda_0123456789876543210Sym1 a_01234567898765432100123456789876543210) t0123456789876543210 = Lambda_0123456789876543210 a_01234567898765432100123456789876543210 t0123456789876543210
    instance SuppressUnusedWarnings Lambda_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd (((,) Lambda_0123456789876543210Sym0KindInference) ())
    data Lambda_0123456789876543210Sym0 a_01234567898765432100123456789876543210
      where
        Lambda_0123456789876543210Sym0KindInference :: forall a_01234567898765432100123456789876543210
                                                              arg. SameKind (Apply Lambda_0123456789876543210Sym0 arg) (Lambda_0123456789876543210Sym1 arg) =>
                                                       Lambda_0123456789876543210Sym0 a_01234567898765432100123456789876543210
    type instance Apply Lambda_0123456789876543210Sym0 a_01234567898765432100123456789876543210 = Lambda_0123456789876543210Sym1 a_01234567898765432100123456789876543210
    type Let0123456789876543210Scrutinee_0123456789876543210Sym1 x0123456789876543210 =
        Let0123456789876543210Scrutinee_0123456789876543210 x0123456789876543210
    instance SuppressUnusedWarnings Let0123456789876543210Scrutinee_0123456789876543210Sym0 where
      suppressUnusedWarnings
        = snd
            (((,)
                Let0123456789876543210Scrutinee_0123456789876543210Sym0KindInference)
               ())
    data Let0123456789876543210Scrutinee_0123456789876543210Sym0 x0123456789876543210
      where
        Let0123456789876543210Scrutinee_0123456789876543210Sym0KindInference :: forall x0123456789876543210
                                                                                       arg. SameKind (Apply Let0123456789876543210Scrutinee_0123456789876543210Sym0 arg) (Let0123456789876543210Scrutinee_0123456789876543210Sym1 arg) =>
                                                                                Let0123456789876543210Scrutinee_0123456789876543210Sym0 x0123456789876543210
    type instance Apply Let0123456789876543210Scrutinee_0123456789876543210Sym0 x0123456789876543210 = Let0123456789876543210Scrutinee_0123456789876543210 x0123456789876543210
    type family Let0123456789876543210Scrutinee_0123456789876543210 x where
      Let0123456789876543210Scrutinee_0123456789876543210 x = Apply JustSym0 x
    type family Case_0123456789876543210 x t where
      Case_0123456789876543210 x ( 'Just y :: Maybe Bool) = (y :: Bool)
    type Foo9Sym1 (a0123456789876543210 :: a0123456789876543210) =
        Foo9 a0123456789876543210
    instance SuppressUnusedWarnings Foo9Sym0 where
      suppressUnusedWarnings = snd (((,) Foo9Sym0KindInference) ())
    data Foo9Sym0 :: forall a0123456789876543210.
                     (~>) a0123456789876543210 a0123456789876543210
      where
        Foo9Sym0KindInference :: forall a0123456789876543210
                                        arg. SameKind (Apply Foo9Sym0 arg) (Foo9Sym1 arg) =>
                                 Foo9Sym0 a0123456789876543210
    type instance Apply Foo9Sym0 a0123456789876543210 = Foo9 a0123456789876543210
    type Foo8Sym1 (a0123456789876543210 :: Maybe a0123456789876543210) =
        Foo8 a0123456789876543210
    instance SuppressUnusedWarnings Foo8Sym0 where
      suppressUnusedWarnings = snd (((,) Foo8Sym0KindInference) ())
    data Foo8Sym0 :: forall a0123456789876543210.
                     (~>) (Maybe a0123456789876543210) (Maybe a0123456789876543210)
      where
        Foo8Sym0KindInference :: forall a0123456789876543210
                                        arg. SameKind (Apply Foo8Sym0 arg) (Foo8Sym1 arg) =>
                                 Foo8Sym0 a0123456789876543210
    type instance Apply Foo8Sym0 a0123456789876543210 = Foo8 a0123456789876543210
    type Foo7Sym2 (a0123456789876543210 :: a0123456789876543210) (a0123456789876543210 :: b0123456789876543210) =
        Foo7 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings (Foo7Sym1 a0123456789876543210) where
      suppressUnusedWarnings = snd (((,) Foo7Sym1KindInference) ())
    data Foo7Sym1 (a0123456789876543210 :: a0123456789876543210) :: forall b0123456789876543210.
                                                                    (~>) b0123456789876543210 a0123456789876543210
      where
        Foo7Sym1KindInference :: forall a0123456789876543210
                                        a0123456789876543210
                                        arg. SameKind (Apply (Foo7Sym1 a0123456789876543210) arg) (Foo7Sym2 a0123456789876543210 arg) =>
                                 Foo7Sym1 a0123456789876543210 a0123456789876543210
    type instance Apply (Foo7Sym1 a0123456789876543210) a0123456789876543210 = Foo7 a0123456789876543210 a0123456789876543210
    instance SuppressUnusedWarnings Foo7Sym0 where
      suppressUnusedWarnings = snd (((,) Foo7Sym0KindInference) ())
    data Foo7Sym0 :: forall a0123456789876543210 b0123456789876543210.
                     (~>) a0123456789876543210 ((~>) b0123456789876543210 a0123456789876543210)
      where
        Foo7Sym0KindInference :: forall a0123456789876543210
                                        arg. SameKind (Apply Foo7Sym0 arg) (Foo7Sym1 arg) =>
                                 Foo7Sym0 a0123456789876543210
    type instance Apply Foo7Sym0 a0123456789876543210 = Foo7Sym1 a0123456789876543210
    type Foo6Sym1 (a0123456789876543210 :: Maybe (Maybe a0123456789876543210)) =
        Foo6 a0123456789876543210
    instance SuppressUnusedWarnings Foo6Sym0 where
      suppressUnusedWarnings = snd (((,) Foo6Sym0KindInference) ())
    data Foo6Sym0 :: forall a0123456789876543210.
                     (~>) (Maybe (Maybe a0123456789876543210)) (Maybe (Maybe a0123456789876543210))
      where
        Foo6Sym0KindInference :: forall a0123456789876543210
                                        arg. SameKind (Apply Foo6Sym0 arg) (Foo6Sym1 arg) =>
                                 Foo6Sym0 a0123456789876543210
    type instance Apply Foo6Sym0 a0123456789876543210 = Foo6 a0123456789876543210
    type Foo5Sym1 (a0123456789876543210 :: Maybe (Maybe a0123456789876543210)) =
        Foo5 a0123456789876543210
    instance SuppressUnusedWarnings Foo5Sym0 where
      suppressUnusedWarnings = snd (((,) Foo5Sym0KindInference) ())
    data Foo5Sym0 :: forall a0123456789876543210.
                     (~>) (Maybe (Maybe a0123456789876543210)) (Maybe (Maybe a0123456789876543210))
      where
        Foo5Sym0KindInference :: forall a0123456789876543210
                                        arg. SameKind (Apply Foo5Sym0 arg) (Foo5Sym1 arg) =>
                                 Foo5Sym0 a0123456789876543210
    type instance Apply Foo5Sym0 a0123456789876543210 = Foo5 a0123456789876543210
    type Foo4Sym1 (a0123456789876543210 :: (a0123456789876543210,
                                            b0123456789876543210)) =
        Foo4 a0123456789876543210
    instance SuppressUnusedWarnings Foo4Sym0 where
      suppressUnusedWarnings = snd (((,) Foo4Sym0KindInference) ())
    data Foo4Sym0 :: forall a0123456789876543210 b0123456789876543210.
                     (~>) (a0123456789876543210,
                           b0123456789876543210) (b0123456789876543210, a0123456789876543210)
      where
        Foo4Sym0KindInference :: forall a0123456789876543210
                                        arg. SameKind (Apply Foo4Sym0 arg) (Foo4Sym1 arg) =>
                                 Foo4Sym0 a0123456789876543210
    type instance Apply Foo4Sym0 a0123456789876543210 = Foo4 a0123456789876543210
    type Foo3Sym1 (a0123456789876543210 :: Maybe a0123456789876543210) =
        Foo3 a0123456789876543210
    instance SuppressUnusedWarnings Foo3Sym0 where
      suppressUnusedWarnings = snd (((,) Foo3Sym0KindInference) ())
    data Foo3Sym0 :: forall a0123456789876543210.
                     (~>) (Maybe a0123456789876543210) a0123456789876543210
      where
        Foo3Sym0KindInference :: forall a0123456789876543210
                                        arg. SameKind (Apply Foo3Sym0 arg) (Foo3Sym1 arg) =>
                                 Foo3Sym0 a0123456789876543210
    type instance Apply Foo3Sym0 a0123456789876543210 = Foo3 a0123456789876543210
    type Foo2Sym1 (a0123456789876543210 :: Maybe a0123456789876543210) =
        Foo2 a0123456789876543210
    instance SuppressUnusedWarnings Foo2Sym0 where
      suppressUnusedWarnings = snd (((,) Foo2Sym0KindInference) ())
    data Foo2Sym0 :: forall a0123456789876543210.
                     (~>) (Maybe a0123456789876543210) a0123456789876543210
      where
        Foo2Sym0KindInference :: forall a0123456789876543210
                                        arg. SameKind (Apply Foo2Sym0 arg) (Foo2Sym1 arg) =>
                                 Foo2Sym0 a0123456789876543210
    type instance Apply Foo2Sym0 a0123456789876543210 = Foo2 a0123456789876543210
    type Foo1Sym1 (a0123456789876543210 :: Maybe a0123456789876543210) =
        Foo1 a0123456789876543210
    instance SuppressUnusedWarnings Foo1Sym0 where
      suppressUnusedWarnings = snd (((,) Foo1Sym0KindInference) ())
    data Foo1Sym0 :: forall a0123456789876543210.
                     (~>) (Maybe a0123456789876543210) a0123456789876543210
      where
        Foo1Sym0KindInference :: forall a0123456789876543210
                                        arg. SameKind (Apply Foo1Sym0 arg) (Foo1Sym1 arg) =>
                                 Foo1Sym0 a0123456789876543210
    type instance Apply Foo1Sym0 a0123456789876543210 = Foo1 a0123456789876543210
    type GSym1 a0123456789876543210 = G a0123456789876543210
    instance SuppressUnusedWarnings GSym0 where
      suppressUnusedWarnings = snd (((,) GSym0KindInference) ())
    data GSym0 a0123456789876543210
      where
        GSym0KindInference :: forall a0123456789876543210
                                     arg. SameKind (Apply GSym0 arg) (GSym1 arg) =>
                              GSym0 a0123456789876543210
    type instance Apply GSym0 a0123456789876543210 = G a0123456789876543210
    type F3Sym1 a0123456789876543210 = F3 a0123456789876543210
    instance SuppressUnusedWarnings F3Sym0 where
      suppressUnusedWarnings = snd (((,) F3Sym0KindInference) ())
    data F3Sym0 a0123456789876543210
      where
        F3Sym0KindInference :: forall a0123456789876543210
                                      arg. SameKind (Apply F3Sym0 arg) (F3Sym1 arg) =>
                               F3Sym0 a0123456789876543210
    type instance Apply F3Sym0 a0123456789876543210 = F3 a0123456789876543210
    type F2Sym1 a0123456789876543210 = F2 a0123456789876543210
    instance SuppressUnusedWarnings F2Sym0 where
      suppressUnusedWarnings = snd (((,) F2Sym0KindInference) ())
    data F2Sym0 a0123456789876543210
      where
        F2Sym0KindInference :: forall a0123456789876543210
                                      arg. SameKind (Apply F2Sym0 arg) (F2Sym1 arg) =>
                               F2Sym0 a0123456789876543210
    type instance Apply F2Sym0 a0123456789876543210 = F2 a0123456789876543210
    type F1Sym1 a0123456789876543210 = F1 a0123456789876543210
    instance SuppressUnusedWarnings F1Sym0 where
      suppressUnusedWarnings = snd (((,) F1Sym0KindInference) ())
    data F1Sym0 a0123456789876543210
      where
        F1Sym0KindInference :: forall a0123456789876543210
                                      arg. SameKind (Apply F1Sym0 arg) (F1Sym1 arg) =>
                               F1Sym0 a0123456789876543210
    type instance Apply F1Sym0 a0123456789876543210 = F1 a0123456789876543210
    type family Foo9 (a :: a) :: a where
      Foo9 (x :: a) = Apply (Apply (Let0123456789876543210GSym1 x) x) Tuple0Sym0
    type family Foo8 (a :: Maybe a) :: Maybe a where
      Foo8 ( 'Just (wild_0123456789876543210 :: a) :: Maybe a) = Let0123456789876543210XSym1 wild_0123456789876543210
    type family Foo7 (a :: a) (a :: b) :: a where
      Foo7 (x :: a) (wild_0123456789876543210 :: b) = (x :: a)
    type family Foo6 (a :: Maybe (Maybe a)) :: Maybe (Maybe a) where
      Foo6 ( 'Just x :: Maybe (Maybe a)) = Case_0123456789876543210 x (Let0123456789876543210Scrutinee_0123456789876543210Sym1 x)
    type family Foo5 (a :: Maybe (Maybe a)) :: Maybe (Maybe a) where
      Foo5 ( 'Just ( 'Just (x :: a) :: Maybe a) :: Maybe (Maybe a)) = (Apply JustSym0 (Apply JustSym0 (x :: a) :: Maybe a) :: Maybe (Maybe a))
    type family Foo4 (a :: (a, b)) :: (b, a) where
      Foo4 a_0123456789876543210 = Apply (Apply Lambda_0123456789876543210Sym0 a_0123456789876543210) a_0123456789876543210
    type family Foo3 (a :: Maybe a) :: a where
      Foo3 ( 'Just x) = (x :: a)
    type family Foo2 (a :: Maybe a) :: a where
      Foo2 ( 'Just x :: Maybe a) = (x :: a)
    type family Foo1 (a :: Maybe a) :: a where
      Foo1 ( 'Just x :: Maybe a) = (x :: a)
    type family G a where
      G x = Case_0123456789876543210 x (Let0123456789876543210Scrutinee_0123456789876543210Sym1 x)
    type family F3 a where
      F3 ( 'Just a :: Maybe Bool) = "hi"
    type family F2 a where
      F2 (x :: Maybe a) = (x :: Maybe a)
    type family F1 a where
      F1 (x :: Maybe Bool) = (x :: Maybe Bool)
    sFoo9 :: forall a (t :: a). Sing t -> Sing (Apply Foo9Sym0 t :: a)
    sFoo8 ::
      forall a (t :: Maybe a).
      Sing t -> Sing (Apply Foo8Sym0 t :: Maybe a)
    sFoo7 ::
      forall a b (t :: a) (t :: b).
      Sing t -> Sing t -> Sing (Apply (Apply Foo7Sym0 t) t :: a)
    sFoo6 ::
      forall a (t :: Maybe (Maybe a)).
      Sing t -> Sing (Apply Foo6Sym0 t :: Maybe (Maybe a))
    sFoo5 ::
      forall a (t :: Maybe (Maybe a)).
      Sing t -> Sing (Apply Foo5Sym0 t :: Maybe (Maybe a))
    sFoo4 ::
      forall a b (t :: (a, b)).
      Sing t -> Sing (Apply Foo4Sym0 t :: (b, a))
    sFoo3 ::
      forall a (t :: Maybe a). Sing t -> Sing (Apply Foo3Sym0 t :: a)
    sFoo2 ::
      forall a (t :: Maybe a). Sing t -> Sing (Apply Foo2Sym0 t :: a)
    sFoo1 ::
      forall a (t :: Maybe a). Sing t -> Sing (Apply Foo1Sym0 t :: a)
    sG :: forall arg. Sing arg -> Sing (Apply GSym0 arg)
    sF3 :: forall arg. Sing arg -> Sing (Apply F3Sym0 arg)
    sF2 :: forall arg. Sing arg -> Sing (Apply F2Sym0 arg)
    sF1 :: forall arg. Sing arg -> Sing (Apply F1Sym0 arg)
    sFoo9 (sX :: Sing x)
      = case sX :: Sing x of {
          (_ :: Sing (x :: a))
            -> let
                 sG ::
                   forall b (t :: a) (t :: b).
                   Sing t
                   -> Sing t
                      -> Sing (Apply (Apply (Let0123456789876543210GSym1 x) t) t :: a)
                 sG (sY :: Sing y) _ = sY
               in
                 (applySing
                    ((applySing ((singFun2 @(Let0123456789876543210GSym1 x)) sG)) sX))
                   STuple0 }
    sFoo8
      (SJust (sWild_0123456789876543210 :: Sing wild_0123456789876543210))
      = case
            ((,) (sWild_0123456789876543210 :: Sing wild_0123456789876543210))
              (SJust
                 (sWild_0123456789876543210 :: Sing wild_0123456789876543210))
        of {
          (,) (_ :: Sing (wild_0123456789876543210 :: a))
              (_ :: Sing ( 'Just (wild_0123456789876543210 :: a) :: Maybe a))
            -> let
                 sX :: Sing (Let0123456789876543210XSym1 wild_0123456789876543210)
                 sX
                   = (applySing ((singFun1 @JustSym0) SJust))
                       (sWild_0123456789876543210 ::
                          Sing (wild_0123456789876543210 :: a)) ::
                       Sing (Apply JustSym0 (wild_0123456789876543210 :: a) :: Maybe a)
               in sX }
    sFoo7
      (sX :: Sing x)
      (sWild_0123456789876543210 :: Sing wild_0123456789876543210)
      = case
            ((,) (sX :: Sing x))
              (sWild_0123456789876543210 :: Sing wild_0123456789876543210)
        of {
          (,) (_ :: Sing (x :: a))
              (_ :: Sing (wild_0123456789876543210 :: b))
            -> sX :: Sing (x :: a) }
    sFoo6 (SJust (sX :: Sing x))
      = case SJust (sX :: Sing x) of {
          (_ :: Sing ( 'Just x :: Maybe (Maybe a)))
            -> let
                 sScrutinee_0123456789876543210 ::
                   Sing (Let0123456789876543210Scrutinee_0123456789876543210Sym1 x)
                 sScrutinee_0123456789876543210 = sX :: Sing (x :: Maybe a)
               in  (case sScrutinee_0123456789876543210 of {
                      SJust (sY :: Sing y)
                        -> case ((,) (sY :: Sing y)) (SJust (sY :: Sing y)) of {
                             (,) (_ :: Sing (y :: a)) (_ :: Sing ( 'Just (y :: a) :: Maybe a))
                               -> (applySing ((singFun1 @JustSym0) SJust))
                                    ((applySing ((singFun1 @JustSym0) SJust))
                                       (sY :: Sing (y :: a)) ::
                                       Sing (Apply JustSym0 (y :: a) :: Maybe a)) } }) ::
                     Sing (Case_0123456789876543210 x (Let0123456789876543210Scrutinee_0123456789876543210Sym1 x) :: Maybe (Maybe a)) }
    sFoo5 (SJust (SJust (sX :: Sing x)))
      = case
            (((,,) (sX :: Sing x)) (SJust (sX :: Sing x)))
              (SJust (SJust (sX :: Sing x)))
        of {
          (,,) (_ :: Sing (x :: a))
               (_ :: Sing ( 'Just (x :: a) :: Maybe a))
               (_ :: Sing ( 'Just ( 'Just (x :: a) :: Maybe a) :: Maybe (Maybe a)))
            -> (applySing ((singFun1 @JustSym0) SJust))
                 ((applySing ((singFun1 @JustSym0) SJust)) (sX :: Sing (x :: a)) ::
                    Sing (Apply JustSym0 (x :: a) :: Maybe a)) ::
                 Sing (Apply JustSym0 (Apply JustSym0 (x :: a) :: Maybe a) :: Maybe (Maybe a)) }
    sFoo4 (sA_0123456789876543210 :: Sing a_0123456789876543210)
      = (applySing
           ((singFun1
               @(Apply Lambda_0123456789876543210Sym0 a_0123456789876543210))
              (\ sArg_0123456789876543210
                 -> case sArg_0123456789876543210 of {
                      (_ :: Sing arg_0123456789876543210)
                        -> (case sArg_0123456789876543210 of {
                              STuple2 (sX :: Sing x) (sY :: Sing y)
                                -> case ((,) (sX :: Sing x)) (sY :: Sing y) of {
                                     (,) (_ :: Sing (x :: a)) (_ :: Sing (y :: b))
                                       -> (applySing
                                             ((applySing ((singFun2 @Tuple2Sym0) STuple2))
                                                (sY :: Sing (y :: b))))
                                            (sX :: Sing (x :: a)) } }) ::
                             Sing (Case_0123456789876543210 arg_0123456789876543210 a_0123456789876543210 arg_0123456789876543210) })))
          sA_0123456789876543210
    sFoo3 (SJust (sX :: Sing x)) = sX :: Sing (x :: a)
    sFoo2 (SJust (sX :: Sing x))
      = case SJust (sX :: Sing x) of {
          (_ :: Sing ( 'Just x :: Maybe a)) -> sX :: Sing (x :: a) }
    sFoo1 (SJust (sX :: Sing x))
      = case SJust (sX :: Sing x) of {
          (_ :: Sing ( 'Just x :: Maybe a)) -> sX :: Sing (x :: a) }
    sG (sX :: Sing x)
      = let
          sScrutinee_0123456789876543210 ::
            Sing (Let0123456789876543210Scrutinee_0123456789876543210Sym1 x)
          sScrutinee_0123456789876543210
            = (applySing ((singFun1 @JustSym0) SJust)) sX
        in  (case sScrutinee_0123456789876543210 of {
               SJust (sY :: Sing y)
                 -> case SJust (sY :: Sing y) of {
                      (_ :: Sing ( 'Just y :: Maybe Bool))
                        -> sY :: Sing (y :: Bool) } }) ::
              Sing (Case_0123456789876543210 x (Let0123456789876543210Scrutinee_0123456789876543210Sym1 x))
    sF3 (SJust (sA :: Sing a))
      = case SJust (sA :: Sing a) of {
          (_ :: Sing ( 'Just a :: Maybe Bool)) -> sing :: Sing "hi" }
    sF2 (sX :: Sing x)
      = case sX :: Sing x of {
          (_ :: Sing (x :: Maybe a)) -> sX :: Sing (x :: Maybe a) }
    sF1 (sX :: Sing x)
      = case sX :: Sing x of {
          (_ :: Sing (x :: Maybe Bool)) -> sX :: Sing (x :: Maybe Bool) }
    instance SingI (Foo9Sym0 :: (~>) a a) where
      sing = (singFun1 @Foo9Sym0) sFoo9
    instance SingI (Foo8Sym0 :: (~>) (Maybe a) (Maybe a)) where
      sing = (singFun1 @Foo8Sym0) sFoo8
    instance SingI (Foo7Sym0 :: (~>) a ((~>) b a)) where
      sing = (singFun2 @Foo7Sym0) sFoo7
    instance SingI d => SingI (Foo7Sym1 (d :: a) :: (~>) b a) where
      sing = (singFun1 @(Foo7Sym1 (d :: a))) (sFoo7 (sing @d))
    instance SingI (Foo6Sym0 :: (~>) (Maybe (Maybe a)) (Maybe (Maybe a))) where
      sing = (singFun1 @Foo6Sym0) sFoo6
    instance SingI (Foo5Sym0 :: (~>) (Maybe (Maybe a)) (Maybe (Maybe a))) where
      sing = (singFun1 @Foo5Sym0) sFoo5
    instance SingI (Foo4Sym0 :: (~>) (a, b) (b, a)) where
      sing = (singFun1 @Foo4Sym0) sFoo4
    instance SingI (Foo3Sym0 :: (~>) (Maybe a) a) where
      sing = (singFun1 @Foo3Sym0) sFoo3
    instance SingI (Foo2Sym0 :: (~>) (Maybe a) a) where
      sing = (singFun1 @Foo2Sym0) sFoo2
    instance SingI (Foo1Sym0 :: (~>) (Maybe a) a) where
      sing = (singFun1 @Foo1Sym0) sFoo1
    instance SingI GSym0 where
      sing = (singFun1 @GSym0) sG
    instance SingI F3Sym0 where
      sing = (singFun1 @F3Sym0) sF3
    instance SingI F2Sym0 where
      sing = (singFun1 @F2Sym0) sF2
    instance SingI F1Sym0 where
      sing = (singFun1 @F1Sym0) sF1