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T16181.hs:14:13: error:
    • Cannot eta-reduce to an instance of form
        instance (...) => Show1 (FlipConst a)
    • In the newtype declaration for ‘FlipConst’

T16181.hs:14:20: error:
    • Cannot eta-reduce to an instance of form
        instance (...) => Eq1 (FlipConst a)
    • In the newtype declaration for ‘FlipConst’

T16181.hs:19:14: error:
    • Cannot eta-reduce to an instance of form
        instance (...) => MonadTrans (Q x)
    • In the newtype declaration for ‘Q’

T16181.hs:26:12: error:
    • Cannot eta-reduce to an instance of form instance (...) => C T
    • In the data declaration for ‘T’