Re: [Emacs-diffs] map c3acb32: New library map.el similar to seq.el but for mapping data structures.

[Stefan Monnier]

> +(defun map-keys (map)
> +  "Return the list of keys in MAP."
> +  (map-apply (lambda (key value) key) map))

Please byte-compile your files on a regular basis and look at the
warnings you get.
When you build Emacs you'll see that "0 warnings" is not our goal, but
we still like to try and avoid warnings when we can, especially for
new files that don't have to deal with lots of compatibility baggage.


        Stefan