[Haskell-cafe] StateT and modify

Bulat Ziganshin bulat.ziganshin at gmail.com
Wed Nov 8 06:17:42 EST 2006

Hello Peter,

Wednesday, November 8, 2006, 1:48:24 PM, you wrote:

> i would like to be able to debug what's happening inside the modifier
> function. that's why i want to be able to use a modifier that's in the
> IO monad

for debugging there is 'trace' function which don't needs IO monad

Best regards,
 Bulat                            mailto:Bulat.Ziganshin at gmail.com

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