Am Di., 26. Jan. 2021 um 08:08 Uhr schrieb Linus Björnstam <
linus.bjornstam@veryfast.biz>:

> Hi Y'all!
>
> I have an efficient, almost done implementation of srfi-121. I believe it
> lacks generator-unfold, but that is all. make-coroutine-generator is
> implemented using delimited continuations and runs a lot faster than the
> one in the reference implementation, with the caveat that it is apparently
> slightly incompatible: the coroutine generator usage in (srfi 146 hash)
> yielded the wrong result - despite my version passing all tests.
>

Can you post a MWE?