On 23 October 2004 19:25, Lauri Alanko wrote:
> On Thu, Oct 21, 2004 at 09:17:20AM -0400, Robert Dockins wrote:
>> There is a hashtable in the IO monad:
>>
>>
http://www.haskell.org/ghc/docs/latest/html/libraries/base/Data.HashTabl
e.html
>
> Why is it in IO instead of the more general ST? IMHO _all_ mutable
> data structures should be written for ST (or a generalization
> thereof), since one can always use stToIO if operation in the IO
> monad is really required.
Because I'm lazy, and I don't use ST very often. Patches are welcome,
as usual :-)
Cheers,
Simon
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