12 lines
256 B
Haskell
12 lines
256 B
Haskell
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import Debug.Trace
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-- like + but each time this is evaluated print a trace
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tracedPlus x y = trace ("> " ++ show x ++ " + " ++ show y) (x + y)
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fib :: [Integer]
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fib = 1:1:zipWith tracedPlus fib (tail fib)
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main = do
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print (fib !! 10)
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print (fib !! 12)
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