Re: properties for default version? (was bug#60200: Incompatibilities between gcc-toolchain and R packages)

[pukkamustard]

Simon Tournier <zimon.toutoune@gmail.com> writes:

> $ guix shell ocaml ocaml-ppxlib -- ocaml --version
> The OCaml toplevel, version 5.0.0

I also encountered this and was surprised.

> Personally, I find the -next trick useful because the package name
> reflects that it is not the default.  However, it can be annoying to
> update manifest files when this -next is becoming default.
>
> Well, what do people think about this Lars’s patch?

I like it.

I think adding the `default?` property is nicer than the -next
trick. Only nitpick: I would maybe call the property `default-version?`
to make meaning of the property more explicit.

Cheers,
pukkamustard