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Hello, I have some code that manipulates STRefs
within the ST monad. All good and fine, until I come across some computation
that uses lets say IO and everything skids to a halt. At this point I have 3
choices:
1. Define a ST State Transformer monad and do all
my previous ST computations in that
2. convert all subsequent ST computations into IO
computations using stToIO
3. stop using the ST monad and do everything in the
IO monad
I was wondering what advice folks had. In
particular, what are the disadvantages to doing everything in the IO monad - ie
why even bother with the ST monad?
Any help appreciated
cheers
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