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14 lines
283 B
Idris
14 lines
283 B
Idris
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interface Natty (n : Nat) where
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fromNatty : Type -> Nat
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fromNatty (Natty Z) = Z
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fromNatty (Natty (S n)) = S (fromNatty (Natty n))
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fromNatty _ = Z
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main : IO ()
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main = ignore $ traverse printLn
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[ fromNatty (Natty 3)
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, fromNatty (Natty (2 + 6))
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, fromNatty (List (Natty 1))
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]
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