On Thu, 28 Feb 2019 22:45:42 -0600 John Croisant <[email protected]> wrote:
> The ck-macros egg version 0.2.0 has been released. This version adds > CHICKEN 5 support, many new features, some R5RS compatibility fixes, and > a few breaking changes to the API. > > https://wiki.call-cc.org/eggref/5/ck-macros > > ck-macros is based on work by Oleg Kiselyov, with many original > contributions by me. It provides a novel kind of macro (or, a novel way > of using macros) with two important properties: > > 1. Aside from wrappers, they are implemented using only standard R5RS > features, mostly syntax-rules. So they are trivially portable to pretty > much any Scheme, not just CHICKEN. And wrappers are trivially portable > to any Scheme that implements er-macro-transformer in the usual way. > > 2. They can be composed (combined) much like Scheme procedures can. It > is even possible to create higher-order macros, analogous to > higher-order functions. For example, you can use "c-compose" to compose > multiple CK-macros together, then use "c-map1" to map the composed macro > over a list. There are many, many examples on the wiki page. > > The biggest new feature in version 0.2.0 is the "ck-wrapper" procedure, > which creates a CK-macro from any Scheme procedure, including lambda > forms and "let over lambda" closures. The egg provides wrappers for many > standard R5RS procedures, and it's trivial to create your own. > > If this sounds useful to you, wonderful. Personally, I just enjoy > exploring the boundaries of what is possible with this idea -- already > much more than I expected! > > - John Croisant > > P.S. Please add this to the CHICKEN 5 coop: > > > https://gitlab.com/jcroisant/ck-macros/raw/master/ck-macros.chicken-5.release-info Thanks a lot, John. Your egg has been added to the coop. All the best. Mario -- http://parenteses.org/mario _______________________________________________ Chicken-users mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/chicken-users
