Re: Using variables to set defaults to parameters

[goncholden]

------- Original Message -------

On Thursday, February 3rd, 2022 at 6:20 PM, goncholden 
<goncholden@protonmail.com> wrote:

> ------- Original Message -------
>
> On Thursday, February 3rd, 2022 at 4:24 PM, Stefan Monnier via Users list for 
> the GNU Emacs text editor help-gnu-emacs@gnu.org wrote:
>
> > I am currently defining a minor-mode with default parameters, but want
> >
> > to pass defaulted variables instead. What is the way to do this,
> >
> > using setq ?
> >
> > (define-minor-mode rich-minor-mode
> >
> > "Brief description" nil "" nil
>
> Don't use this long obsolete form. Use the keyword arguments, instead:
>
> (define-minor-mode rich-minor-mode
>
> "Brief description"
>
> :lighter "")
>
> > then changed to
> >
> > (setq initval nil)
> >
> > (setq mdline-indic "")
> >
> > (setq other nil)
>
> I don't know what you mean with "then changed" nor where the above code
>
> is intended to be placed (inside the `define-minor-mode`? In some
>
> other function?).
>
> Stefan
>
> Have been trying to pass the parameters with names that mean something, 
> rather than
>
> using
>
> (define-minor-mode rich-minor-mode "Brief description" nil "" nil
>
> so I would have

> (define-minor-mode rich-minor-mode "Brief description" initval mdline-indic 
> other

> Where can I find some information on using the keyword arguments? I only know 
> about the
> long obsolete form.

What's the best thing to make code more readable?  Keywords as you say?  I do 
not want modeline
indicator for this.  I do not particularly understand initial values, how do 
they work?