From: Bozhidar Batsov <bozhidar@batsov.com>
To: emacs-devel <emacs-devel@gnu.org>
Subject: Re: Consider adding hash-keys and hash-values
Date: Wed, 30 Oct 2013 11:36:24 +0200 [thread overview]
Message-ID: <CAM9Zgm2yXwAcWPcnEnBy4y_dgu39qEcD+kmBYPvV2O1pQKbYWA@mail.gmail.com> (raw)
In-Reply-To: <1EA2626D6F9E40C799F18421D8FD41B5@gmail.com>
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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
>
>
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next prev parent reply other threads:[~2013-10-30 9:36 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-10-24 14:16 Consider adding hash-keys and hash-values Bozhidar Batsov
2013-10-30 9:36 ` Bozhidar Batsov [this message]
2013-10-30 11:06 ` Nathan Trapuzzano
2013-10-30 13:11 ` Stefan Monnier
2013-10-31 12:55 ` Bozhidar Batsov
2013-10-31 13:37 ` Stefan Monnier
2013-11-02 15:27 ` Bozhidar Batsov
2013-11-03 2:38 ` Leo Liu
2013-11-03 7:28 ` Bozhidar Batsov
2013-11-04 5:14 ` Leo Liu
2013-11-03 14:00 ` Stefan Monnier
2013-11-04 11:47 ` Bozhidar Batsov
2013-11-02 3:05 ` Josh
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