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Coders at Work on finding and preventing bugs | Hacker News Reader

Coders at Work on finding and preventing bugs

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30 points·luu··3 comments

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Anybody have a debugging workaround for Haskell? Dropping print statements is doable, but not very nice looking.

The ghci debugger is pretty awesome: https://downloads.haskell.org/~ghc/latest/docs/html/users_gu...

Debug.Trace -> http://hackage.haskell.org/package/base-4.0.0.0/docs/Debug-T...

Whenever you want to see the value of x, replace it with traceShow x x

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