Not sure what the syntax is, but I agree that holding to a fixed number
of arguments will be best, particularly for filtering out syntax errors.
On 17 Nov 2021, at 11:51, phoebe Goldman wrote:
> > On Nov 17, 2021, at 12:37 PM, Robert Goldman <rpgoldman(a)sift.info>
> wrote:
>>
>> version constraints like (:version "my-unstable-library" < 3) or
>> something like that will go in to ASDF.
>>
>>
>
> Might I suggest the syntax:
>
> (:version "my-lib" (:min "2")) ; equiv to (:version "my-lib" "3")
> (:version "my-lib" (:below "3")) ; not :MAX, because this is an
> exclusive bound
> (:version "my-lib" (:range "2" "3")) ; inclusive lower, exclusive
> upper bound
>
> I believe it is both useful and aesthetically pleasing to keep the
> :version form to exactly three elements.
>
> cheers,
> phoebe
