T14343b.hs:10:9: error: [GHC-88464] • Found hole: _ :: Proxy '(True, False) • In the expression: _ :: Proxy '( 'True, 'False) In an equation for ‘test1’: test1 = _ :: Proxy '( 'True, 'False) • Relevant bindings include test1 :: Proxy '(True, False) (bound at T14343b.hs:10:1) Valid hole fits include test1 :: Proxy '(True, False) (defined at T14343b.hs:10:1) Proxy :: forall {k1} (k2 :: k1). Proxy k2 with Proxy @'(True, False) (defined at T14343b.hs:8:16) T14343b.hs:11:9: error: [GHC-88464] • Found hole: _ :: Proxy '( '(True, False), False) • In the expression: _ :: Proxy '( '( 'True, 'False), 'False) In an equation for ‘test2’: test2 = _ :: Proxy '( '( 'True, 'False), 'False) • Relevant bindings include test2 :: Proxy '( '(True, False), False) (bound at T14343b.hs:11:1) Valid hole fits include test2 :: Proxy '( '(True, False), False) (defined at T14343b.hs:11:1) Proxy :: forall {k1} (k2 :: k1). Proxy k2 with Proxy @'( '(True, False), False) (defined at T14343b.hs:8:16) T14343b.hs:12:9: error: [GHC-88464] • Found hole: _ :: Proxy '( '[1], False) • In the expression: _ :: Proxy '( '[1], 'False) In an equation for ‘test3’: test3 = _ :: Proxy '( '[1], 'False) • Relevant bindings include test3 :: Proxy '( '[1], False) (bound at T14343b.hs:12:1) Valid hole fits include test3 :: Proxy '( '[1], False) (defined at T14343b.hs:12:1) Proxy :: forall {k1} (k2 :: k1). Proxy k2 with Proxy @'( '[1], False) (defined at T14343b.hs:8:16)