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12 lines
180 B
Idris
12 lines
180 B
Idris
%inline %spec m
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smult : (m, n : Nat) -> Nat
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smult 0 n = 0
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smult 1 n = n
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smult (S m) n = n + smult m n
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main : IO ()
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main = do
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n <- getLine
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let p = cast n
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printLn (smult 3 p)
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