[Haskell] strictness of putChar: report incomplete?

Lennart Augustsson 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.

	-- Lennart

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