Re: [PATCH] (icomplete-vertical-mode): Add support for affixations and, annotations

[João Távora]

On Wed, Jun 2, 2021 at 12:22 AM João Távora <joaotavora@gmail.com> wrote:
>
> On Wed, Jun 2, 2021 at 12:04 AM Dmitry Gutov <dgutov@yandex.ru> wrote:
> >
> > On 01.06.2021 21:47, João Távora wrote:
> > > In what way?  Really, all other things being equal, in what way is
> > > threading arguments through lots of functions, bloating the arglist,
> > > implementations and the docstrings of said functions, calling group-fun
> > > multiple times and in multiple places in minibuffer.el better than_not_
> > > doing those things?
> >
> > Why do you think it forces you to "thread" them?
>
> The current implementation in minibuffer.el threads the function down
> to the point where it is called twice again (once with the same
> second argument -- a possible inefficiency -- and then with a non-nil
> second argument). If the results of a single call were stored in
> the candidate string, this wouldn't be necessary.

By the way, another classic way to avoid threading in Lisp
is binding a dynamic variable.  We do that loads (but I
still thing storing a property is cleaner).

João