[Haskell-cafe] Re: Nested unsafePerformIO?

DavidA polyomino at f2s.com
Thu Apr 8 14:39:51 EDT 2010

Bas van Dijk <v.dijk.bas <at> gmail.com> writes:

> It looks like your timedIterateIO is too lazy.
> Try evaluating the 'y' before calling timedIterateIO' again as in:
> let y = f x
> ... y `seq` timedIterateIO' t0 y

Thank you,

that appears to do the trick.

I'm still a bit puzzled about why the problem only manifested in this case
- it didn't manifest when I used iterate, for example.

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