From: John Mastro <john.b.mastro@gmail.com>
To: emacs-devel <emacs-devel@gnu.org>
Cc: Stephen Leake <stephen_leake@stephe-leake.org>
Subject: Re: flet vs cl-flet vs compilation-start
Date: Wed, 1 Feb 2017 15:49:03 -0800 [thread overview]
Message-ID: <CAOj2CQRsDMi0hTnu8tO3WAG=t+LNk3aTgU=d6OjnCkxROCKwNw@mail.gmail.com> (raw)
In-Reply-To: <86mve51o6v.fsf@stephe-leake.org>
Stephen Leake <stephen_leake@stephe-leake.org> wrote:
> This is consistent with the doc strings:
>
> cl-flet says:
>
> Make local function definitions.
>
> flet says:
>
> Make temporary overriding function definitions.
>
> and goes on to say "use cl-flet".
>
> Perhaps the doc string of flet should be improved to point out that
> cl-flet does not produce _overriding_ function definitions, and suggest
> workarounds.
It's not as well known, but you can use `cl-letf' for this:
(cl-letf (((symbol-function 'erase-buffer)
(lambda () (goto-char (point-max)))))
(compilation-start ...))
next prev parent reply other threads:[~2017-02-01 23:49 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-02-01 23:33 flet vs cl-flet vs compilation-start Stephen Leake
2017-02-01 23:49 ` John Mastro [this message]
2017-02-02 9:16 ` Michael Heerdegen
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