On Wed, 17 Oct 2018, 16:06 Yuri Khan, <yurivkhan@gmail.com> wrote:

In both these implementations, ‘until’ is still a pre-condition loop
> (same as ‘while’, but with the condition negated).
>
> However, in many languages that have an ‘until’ loop as a language
> construct, it is a post-condition loop. The body is executed first,
> then the condition is evaluated.
>

Elisp already has the loop macro from CL which implements all of this, and
more. I honestly don't understand what this discussion is all about.

Since the desired functionality is already available, why try to define a
new API that won't do as much?

Regards,
Elias

>