Re: Consider adding hash-keys and hash-values

[Bozhidar Batsov <bozhidar@batsov.com>]

[-- Attachment #1: Type: text/plain, Size: 933 bytes --]

Any comments for or against the proposal? Should I could consider your
silence a sign of consent and submit a patch?


On 24 October 2013 17:16, Bozhidar Batsov <bozhidar@batsov.com> wrote:

> Hi everyone,
>
> I’ve seen the following functions (or their equivalents) inlined in many
> packages:
>
> (defun hash-keys (hashtable)
>   "Return a list of keys in HASHTABLE."
>   (let ((keys '()))
>     (maphash (lambda (k v) (setq keys (cons k keys))) hashtable)
>     keys))
>
> (defun hash-values (hashtable)
>   "Return a list of values in HASHTABLE."
>   (let ((values '()))
>     (maphash (lambda (k v) (setq keys (cons k values))) hashtable)
>     keys))
>
> Is there any particular reason why we don’t have them as part of the
> standard set of hash functions? They are pretty useful and just about every
> programming language has them in its standard library.
>
> --
> Cheers,
> Bozhidar
>
>

[-- Attachment #2: Type: text/html, Size: 1802 bytes --]