[Haskell-cafe] Language support for imperative code. Was: Re: monad subexpressions

[Corey O'Connor]

On 8/8/07, Brian Hulley <brianh at metamilk.com> wrote:

> Regarding the quote above, if the API must hide explicit memory control
> from the user the only way I can see of doing this would be to use
> (unsafePerformIO), which really is unsafe since Haskell relies on the
> fact that mutable operations can't escape from the IO monad in order to
> get away with not having to impose a value restriction as in ML.


My theory is weak. Can somebody point me the way to educate myself about the
"value restriction" in ML?
Thanks!
-Corey


-- 
-Corey O'Connor
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