R6RS versus the pattern operators John Cowan (17 Aug 2020 12:55 UTC)
Re: R6RS versus the pattern operators Marc Nieper-Wißkirchen (17 Aug 2020 13:15 UTC)
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Fwd: R6RS versus the pattern operators John Cowan (17 Aug 2020 13:38 UTC)
Re: R6RS versus the pattern operators Marc Nieper-Wißkirchen (17 Aug 2020 13:48 UTC)
Re: R6RS versus the pattern operators John Cowan (17 Aug 2020 14:59 UTC)
Re: R6RS versus the pattern operators Marc Nieper-Wißkirchen (17 Aug 2020 15:27 UTC)
Re: R6RS versus the pattern operators John Cowan (17 Aug 2020 15:48 UTC)
Re: R6RS versus the pattern operators Marc Nieper-Wißkirchen (17 Aug 2020 15:53 UTC)
Re: R6RS versus the pattern operators John Cowan (17 Aug 2020 17:03 UTC)
Re: R6RS versus the pattern operators Shiro Kawai (17 Aug 2020 17:21 UTC)
Re: R6RS versus the pattern operators Shiro Kawai (17 Aug 2020 20:21 UTC)
Re: R6RS versus the pattern operators Felix Thibault (17 Aug 2020 22:22 UTC)
Re: R6RS versus the pattern operators Shiro Kawai (17 Aug 2020 22:35 UTC)
Re: R6RS versus the pattern operators Marc Nieper-Wißkirchen (18 Aug 2020 05:55 UTC)
(missing)
(missing)
Re: R6RS versus the pattern operators Marc Nieper-Wißkirchen (24 Aug 2020 14:02 UTC)
Re: R6RS versus the pattern operators Felix Thibault (27 Aug 2020 00:45 UTC)
Re: R6RS versus the pattern operators Marc Nieper-Wißkirchen (27 Aug 2020 07:50 UTC)
Re: R6RS versus the pattern operators Lassi Kortela (17 Aug 2020 13:52 UTC)
Re: R6RS versus the pattern operators Adam Nelson (17 Aug 2020 14:41 UTC)

Re: R6RS versus the pattern operators Adam Nelson 17 Aug 2020 14:38 UTC

+1 for the regex-style * and + matchers, that seems more understandable
and portable. Isn't = already used for something else in `match`, though?

On 8/17/20 9:52 AM, Lassi Kortela wrote:
>> The user can either pick ..1 and be incompatible with R6RS, or pick
>> __1 and be incompatible with other WCS implementations.  It will
>> probably be easier to fix other WCS implementations than R6RS.
>
> Since `...` and `..1` and `..=` are analogous to the regexp matchers
> `*`, `+` and `=` would it work to use those one-character identifiers?
> Those have got to be permitted in all Scheme implementations since
> they are needed for standard number procedures.
>
> In SRFI 204 there's one more:
>
> ..* k j   between k and j matches, where k and j are integers.
>
> But that seems like a new invention in the SRFI? It's not in the Chibi
> match manual at
> <http://snow-fort.org/s/gmail.com/alexshinn/chibi/match/0.9.0/index.html>.
>
> The identifier `...` is nice since it's already used in syntax-rules,
> but if `...` is not portable it could have `*` as an alias.