That's interesting.

I must confess that I find the need to debug in Haskell greatly reduced because I tend to design stuff in small incremental steps in ghci / emac in a Lisp like way which means that I am reasoning out my code as I write it which usually means there are no logical bugs at least.

However I can see the need on occasion to maybe debug into issues relating to threads / STM and behaviours between processes in general.

Have you tried using Leksah, the Haskell IDE?

On 9 April 2015 at 02:21, Dimitri DeFigueiredo <defigueiredo@ucdavis.edu> wrote:

I need to improve my Haskell debugging skills. I know of quickcheck, but that's for testing. It seems that:

- Debug.Trace and
- dynamic breakpoints in GHCi

Are the two easy ways to check the state of your program at a specific point in execution.
Is there another simple tool that I should know about? Any tips?

Thank you,

Dimitri

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