Re: New egg: CHICKEN Transducers

[Mario Domenech Goulart]

On Wed, 4 Jan 2023 18:48:56 -0700 Jeremy Steward <jeremy@thatgeoguy.ca> wrote:

> I've been somewhat bothered by the fragmentation in a certain aspect
> of Scheme / Lisp: notably that there isn't really something akin to
> Rust's Iterator trait in Scheme, and as a result working across
> various collections and data types is a pain.
>
> So I introduce to you - Transducers! These are very similar to
> Clojure's transducers, but add one more parameter: a fold procedure. I
> was unhappy with SRFI-158 (Generators & Accumulators) and also unhappy
> with SRFI-171 (mostly because of how sparse the API is).
>
> test-new-egg passes with the following release-info:
>
> <https://gitlab.com/ThatGeoGuy/chicken-transducers/-/raw/main/transducers.release-info>
>
> I've already added extensive documentation to the wiki page:
>
> <https://wiki.call-cc.org/eggref/5/transducers>
>
> And I've written a short blog post outlining some of my frustrations
> that led me to writing this egg:
>
> <https://www.thatgeoguy.ca/blog/2023/01/04/reflections-on-transducers/>
>
> Happy to engage with the rest of the community on what the next
> priority for such a library should be. My hope is that this library
> helps us all move away from XXX-map and XXX-filter procedures for each
> individual type.
>
> First things first: I'll probably keep trying to add more common data
> type support (SRFI 146 mappings and SRFI 69 hash-tables come to mind)
> as I can. Let me know if you find this useful!

Many thanks, Jeremy.  Your egg has been added to the coop.

All the best.
Mario
-- 
http://parenteses.org/mario