On Fri, Jan 22, 2021 at 6:15 PM Shiro Kawai <shiro.kawai@gmail.com> wrote:

> Hi Mark,
> I agree that the whole point of generators is performance.  When combined
> with lazy sequences (srfi-127), it covers many typical use cases of streams
> much more efficiently.
> I've written Gauche version with performance in mind, but it depends on a
> few non-standard features and can not be used as-is.  Besides, if we do go
> for performance, we need benchmark suites as well.  I'm interested in
> adopting Gauche version as the reference implementation but don't know when
> I have time.  If you have some code to improve the current reference
> implementation and can merge it to the repo, we can proceed gradually, I
> guess.
>

It's not a bad idea for the sample implementation to be as clear as
possible at the expense of performance.  But it certainly wouldn't hurt to
have a supplemental document making recommendations about possible
performance improvements, or even a second implementation.