Re: how to speed up Lisp devel time

[Eli Zaretskii <eliz@gnu.org>]

> From: Emanuel Berg <incal@dataswamp.org>
> Date: Fri, 09 Aug 2024 13:18:25 +0200
> 
> Eli Zaretskii wrote:
> 
> >>> Why do you need that?
> >> 
> >> I want it to work with M-x, C-u M-x, and C-u 100 M-x.
> >
> > This is rather unusual, and you should expect to have some
> > more-than-normally complicate code in that case.
> 
> What do you mean? It is the same for `forward-line'
> 
> C-u   M-x forward-line RET
> C-u 4 M-x forward-line RET

No, it isn't.  forward-line accepts a numeric argument, and that's
all.  All you need to do to support that is use the corresponding
'interactive' code.

> > Also, someone pointed out that you could write this in just
> > 83 characters.
> 
> Really? Well, well, let's see the code then!

It was posted, I just counted the characters.

> > That usually makes little sense in Emacs. Interactive and
> > non-interactive uses have different semantics.
> 
> Same default for any kind of call makes little sense. Usually!
> 
> I OTOH thinks that is the first policy I can think of.

Then your code is unlikely to be accepted into Emacs.

> > That happens, but very rarely. Well-designed clean code
> > should avoid that.
> 
> It is better if everyone, well-designers or not, could use
> a clean interface to do that. Then one could simply use it and
> not having to rely on people writing great Elisp for
> everything.

Code doesn't write itself.  Good design is always needed for elegant
code.