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16 lines
286 B
Idris
16 lines
286 B
Idris
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f : (Int -> Bool) -> Int
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f p = case (p 0, p 1) of
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(False, False) => 0
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(False, True) => 1
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(True , False) => 2
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(True , True) => 4
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il : Int
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il = f \x => x > 0
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lc : Int
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lc = f $ \case 0 => True ; _ => False
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ilc : Int
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ilc = f \case 0 => True; _ => False
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