How about the Control.Retry module in the 'retry' package?

http://hackage.haskell.org/package/retry

On Feb 11, 2014 12:51 AM, "Christopher Howard" <christopher.howard@frigidcode.com> wrote:
Hi. I was curious if Haskell has something like "restarts" in Common
Lisp. My search engines didn't give relevant results for "Haskell
restarts". However, there were several results for "Haskell coroutines"
and, from what I can gather, restarts and coroutines are a similar or
related subject.

--
http://www.lugod.org/presentations/pgp/why.html


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