[Haskell-cafe] Re: STM in F#

[Brent Yorgey]

On Jan 18, 2008 4:59 AM, Ketil Malde <ketil+haskell at ii.uib.no> wrote:

> apfelmus <apfelmus at quantentunnel.de> writes:
>
> >> I imagine this can only ease the process of learning Haskell, and
> >> broaden the base of possible Haskellers, as more people on using .NET
> >> stuff become familiar with modern typed FP.
>
> > There's a reason the STM monad hatched in Haskell: how does the above
> > STM in F# handle side-effects like  launchMissile ?
>
> If you read the comments at the bottom, it seems it does not.  Expect
> an arbitrary number of missiles (although the final effect of
> destroying the target city will perhaps be the same).
>

That's only because launchMissile is idempotent.

-Brent
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