[Haskell] strictness of putChar: report incomplete?
lennart at augustsson.net
Thu Oct 6 08:48:40 EDT 2005
Simon Marlow wrote:
>>I agree with you. And that is how it used to be, but then
>>some people didn't think that was convenient enough so now
>>we are stuck with a seq that (IMHO) stinks. :)
> Having a seq that works on anything is occasionally very useful for
> fixing space leaks, and the type class version was kind of ugly and
> unwieldy. The type class pops up when you use ! in a data declaration,
> which looks strange. But I agree that polymorphic seq does have some
> painful side effects.
Polymorphic seq is not lambda definable, which I dislike.
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