good fusion (was Re: inits)

[Bulat Ziganshin]

Hello Josef,

Monday, April 10, 2006, 9:22:31 PM, you wrote:

>> > Wasn't there some consensus that foldr/build
>> > cannot deforest both lists that go into zip?

that is a typical problem of "two simultaneous control structures" and
one it's solution is using coroutines. lazily evaluated lists is of
course another solution, but it is not so fast

may be, some lightweight form of coroutines can be used in such
situations to perfrom job faster?


-- 
Best regards,
 Bulat                            mailto:Bulat.Ziganshin at gmail.com