[bug#48867] [PATCH] gnu: Add guile-define.

[Xinglu Chen]

On Tue, Jun 08 2021, Ludovic Courtès wrote:

> Hi,
>
> Xinglu Chen <public@yoctocell.xyz> skribis:
>
>> * gnu/packages/guile-xyz.scm (guile-define): New variable.
>
> [...]
>
>> +      (native-inputs
>> +       `(("guile" ,guile-3.0)))
>> +      (home-page "https://hg.sr.ht/~bjoli/guile-define";)
>> +      (synopsis "Definitions in expression contexts for Guile")
>> +      (description "This package provides a utility macro to allow
>> +@code{define}s in expression contexts of function bodies.")
>
> This may have been useful with Guile 2.x but it’s useless with 3.0,
> which already allows that:
>
> --8<---------------cut here---------------start------------->8---
> scheme@(guile-user)> (version)
> $9 = "3.0.7"
> scheme@(guile-user)> (define (divide-minus-one a b)
>                      (when (= b 1) (error "We don't allow that here"))
>                      (define b* (- b 1))
>                      (/ a b*))
> scheme@(guile-user)>
> --8<---------------cut here---------------end--------------->8---
>
> So either we make the package depend on 2.x, or we drop it.  Dropping it
> is probably the best option if there are no dependents.
>
> Thoughts?

Oh, I didn’t know that, then I think it’s fine to drop the package.

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