gabriele renzi <rff_rff / remove-yahoo.it> wrote:
> Martin DeMello ha scritto:
> > 
> > C-core lazy generators (or Icon's 'suspend', though I'm not sure how
> > well that will play with the rest of ruby).
> 
> aren't this a kind of coroutine? Can't you build them with callcc easily?

Yes, but you take a huge performance hit, which is why I'd like to see a
fast 'native' way to do them.

martin