On 2026-09-21 20:55, Daphne Preston-Kendal wrote:

> On 21 Sep 2026, at 09:10, Andrew Tropin <xxxxxx@trop.in> wrote:
>
>> Have a few more questions.
>>
>> (let ((metadata identity))
>> (test "my test" ()
>>   (metadata '((default . meta)))
>>
>>   (is #t)))
>>
>> will silently "remove" metadata from test. Is it expected behavior for
>> scheme macro?
>
> Yes.
>
>> Do we need to warn user of the macro somehow if they do
>> it?
>
> No.
>
>> Could you share some examples of similar macros in the wild?  They can
>> help me to better understand how idiomatic scheme macros look like.
>> Previously I thought that `(guix records)` were idiomatic, but it seems
>> they are not.
>
> The standard Scheme ‘cond’ and ‘case’ syntaxes work like this (the
> ‘else’ and ‘=>’ auxiliary syntax keywords), as do the auxiliary syntax
> keywords of R6RS define-record-type
> <https://r6rs.org/corrected/html/r6rs-lib/r6rs-lib-Z-H-7.html#node_sec_6.2>.

Thank you very much!

Changed metadata syntax, added a 'testing' macro.  It's live in new
revision of SRFI and in both suitbl and sample implementations.

If there is no other problems, we will call it final version on
Wednesday.

--
Best regards,
Andrew Tropin