[Haskell-cafe] Re: Nested unsafePerformIO?

[DavidA]

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.