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14 lines
214 B
Idris
14 lines
214 B
Idris
module Main
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mutual
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is_even : Nat -> Bool
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is_even Z = True
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is_even (S k) = is_odd k
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is_odd : Nat -> Bool
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is_odd Z = False
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is_odd (S k) = is_even k
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main : IO ()
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main = printLn (is_even 10)
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