[Haskell-cafe] ANNOUNCE: enumerator, an alternative iteratee package

[John Lato]

On Mon, Aug 23, 2010 at 4:24 PM, Paulo Tanimoto <ptanimoto at gmail.com> wrote:

> On Mon, Aug 23, 2010 at 6:16 AM, John Lato <jwlato at gmail.com> wrote:
> > It's not necessary to understand CPS to use CPS-based iteratees.  The CPS
> > implementation generally simplifies the types and removes the necessity
> for
> > special combinators like ($$) and (>>==), so I strongly suspect newcomers
> > will find it easier to use than other variants (although unfortunately I
> can
> > no longer say this from personal experience).  It incorporates the best
> > features of Oleg's two implementations in IterateeM.hs.  The only
> drawback
> > is the added thought overhead of CPS, but users need not be aware of this
> > for the most part.
>
> I agree with you, John.  Personally, I find the CPS version easier to
> use, that's why I asked.  But since people have different styles, I
> guess it's not a bad thing that the two packages use a different
> implementation.
>
> When I was reimplementing Iteratees I also didn't find any noticeable
> slowdown with CPS, but my benchmarks were very simple -- unlike yours.
>  You are comparing the darcs branch to the version on Hackage, right?
>

I'm actually referring to benchmarks from about 10-8 months ago.  I did have
them on the website, but it looks like I took them down.  I haven't run any
comparisons recently, except for a few to determine where INLINEs are
beneficial.  I'll make a current set and post them when they're ready.

John
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