[Haskell-cafe] Re: evaluation semantics of bind

Peter Verswyvelen bugfact at gmail.com
Thu Feb 5 18:51:43 EST 2009


On Thu, Feb 5, 2009 at 8:20 PM, ChrisK <haskell at list.mightyreason.com>wrote:

> Since this is strict there is no laziness and the code must evaluate the
> input and output "State RealWorld" to ensure they are not bottom or error.
>

Interesting. I also thought it was the passing of the RealWorld that caused
the sequencing, I never realized that the strictness played an important
role here.

So what would happen if it would be lazy instead of strict? What kind of
craziness would occur?
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