Henning Thielemann <[EMAIL PROTECTED]> wrote:

> 
> On Mon, 16 Jun 2008, Achim Schneider wrote:
> 
> > We have to resort to IO actions to get the time, and to IORefs
> > because we need to chain up different calls to getCurrentTime using
> > the IO Monad. The rest of the program can work with whatever you
> > like best.
> 
> Isn't  (StateT s IO a)  the cleaner alternative to IORef?
>
Yes. But then using one IORef in one place won't make your program
harder to understand, using Monad transformers quite certainly will.
Admittedly, I'm becoming dodgy.

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