[Haskell-cafe] Language support for imperative code. Was: Re:
haskell-cafe at martinpercossi.com
Wed Aug 8 11:30:52 EDT 2007
Brian Hulley wrote:
> hidden away in the definition of their API function to create a label,
> is a call to (ref 0) !!!! ;-) The equivalent implementation in Haskell
> would completely destroy all hope of using this in a pure context and
> force all use of the API into the IO monad.
Really? I would have thought this is a job for the ST monad, in which
case the API can be wrapped up in a runST or similar; no need for
leaking IO monads.
Or am I missing something?
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