Re: cl-pushnew and other functions

[Helmut Eller]

* Stefan Monnier [2012-06-30 04:16] writes:

>>>> I think the basic function in CL should just be considered part of the
>>>> Emacs Lisp language,
>>> We simply disagree.
>> Why do we disagree?
>
> Because I don't want to simply adopt all those Common-Lisp-isms into
> Elisp.  A big reason for that is that Elisp is not compiled
> aggressively, so some design choices in Common-Lisp would be too costly
> in Elisp.
>
> Other reasons is that I do not agree with some of Common-Lisp's design
> choices (question of taste).  For a recent example, define-setf-expander
> is ugly and inefficient, so the new "core setf" does not fully
> support it.  Other example: why have `case' when you can have `pcase'?

Because the XEmacs has it.

Helmut