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T14246.hs:22:5: error:
    • Illegal polymorphic type: forall (t :: v). f t
    • In the equations for closed type family ‘KLN’
      In the type family declaration for ‘KLN’

T14246.hs:27:27: error:
    • Expected kind ‘Vect (KLN f) L’,
        but ‘Cons (Label (t :: v)) l’ has kind ‘Vect ('S (KLN (f t))) *’
    • In the second argument of ‘Reveal’, namely
        ‘(Cons (Label (t :: v)) l)’
      In the type family declaration for ‘Reveal’

T14246.hs:27:67: error:
    • Expected kind ‘Vect (KLN (f t)) L’,
        but ‘l’ has kind ‘Vect (KLN (f t)) *’
    • In the second argument of ‘Reveal’, namely ‘l’
      In the type ‘Reveal (f t) l’
      In the type family declaration for ‘Reveal’

T14246.hs:28:24: error:
    • Expected kind ‘Vect (KLN a) L’, but ‘Nil’ has kind ‘Vect 'Z L’
    • In the second argument of ‘Reveal’, namely ‘Nil’
      In the type family declaration for ‘Reveal’