From: Tomas Volf <~@wolfsden.cz>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: guix-devel@gnu.org
Subject: Re: #:modules and #:imported-modules, and more
Date: Wed, 10 Jan 2024 00:09:08 +0100 [thread overview]
Message-ID: <ZZ3SFLKlCTtRGeBm@ws> (raw)
In-Reply-To: <878r4yxgua.fsf@gnu.org>
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On 2024-01-09 23:49:33 +0100, Ludovic Courtès wrote:
> Hello!
>
> Tomas Volf <~@wolfsden.cz> skribis:
>
> > As seen in the example above, currently there is a need to manually
> > merge the list of additional modules with the original one. Failing
> > to use the correct base can lead to issues (like crash in netsurf).
> >
> > I would like to propose adding two new fields into the build system,
> > `#:extra-modules' and `#:extra-imported-modules'. Those would be
> > automatically appended to the `#:modules' and `#:imported-modules',
> > removing the need to merge the lists in the package definition.
> > Therefore the example above would turn into:
>
> As a rule of thumb, I personally always avoid the #:extra-things
> pattern, instead letting users pass #:things in their entirety and
> documenting the default value.
>
> I believe (1) this is clearer (when I see “extra”, I’m always like “extra
> compared to what?”), and (2) it gives more control over the things in
> question (since one can also remove stuff from the default value).
Well you could still remove the default stuff, since the "non-extra" would not
be going anywhere.
>
> So yes, that’s a bit more boilerplate when all you want is import one
> additional module, but I think it’s overall a better interface than
> #:extra.
>
> I hope this makes sense!
I see your point. Not sure I fully agree, but do understand what you mean and
will not push on it further.
However even in that light, I still consider the 3 and 4 to be worth
considering. Aaand even without 3, at least doing 4 in some shape or form would
be in my opinion useful. Current situation is bit... copy&pasty.
Tomas
--
There are only two hard things in Computer Science:
cache invalidation, naming things and off-by-one errors.
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next prev parent reply other threads:[~2024-01-09 23:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-30 12:54 #:modules and #:imported-modules, and more Tomas Volf
2024-01-09 22:49 ` Ludovic Courtès
2024-01-09 23:09 ` Tomas Volf [this message]
2024-01-10 10:23 ` Ludovic Courtès
2024-01-10 16:43 ` Tomas Volf
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