Language extension / "behavior"

[Pascal Bourguignon]

Le 24/01/2023 à 13:23, Daniel Kochmański a écrit :
> Hey,
> 
>> You seem to be asking for opinions. I do think adding keyword args is fine. I believe Franz does this, and it works well.
> 
> This is certainly an established practice - another example is make-hash-table (and weakness arguments). That said it is annoying to quote two arguments, i.e
> 
> (make-hash-table #+ICL :weakness #+ICL :key
>                   #+OPK :key-weakness #+OPK t)
> 

You may use:

(make-hash-table :weakness :key :key-weakness t
                  :allow-other-keys t)

but there's the possibility two implementation have the same keyword 
argument with different values. (then you can use #+/#- just for the 
values).


-- 
__Pascal Bourguignon__