GNU bug report logs - #12895
24.3.50; Replacement for flet

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Package: emacs;

Reported by: Antoine Levitt <antoine.levitt <at> gmail.com>

Date: Thu, 15 Nov 2012 13:37:02 UTC

Severity: normal

Tags: notabug

Found in version 24.3.50

Done: Marcin Borkowski <mbork <at> mbork.pl>

Bug is archived. No further changes may be made.

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From: Michael Heerdegen <michael_heerdegen <at> web.de>
To: Antoine Levitt <antoine.levitt <at> gmail.com>
Cc: 12895 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: bug#12895: 24.3.50; Replacement for flet
Date: Sun, 31 Jan 2016 18:42:19 +0100

Antoine Levitt <antoine.levitt <at> gmail.com> writes:

> I did like flet, though, and in general, I think it's annoying to users
> to remove/deprecate functionality that are neat ways to get inside lisp
> code from outside (dynamic-scoping overrides, advices, etc.)  just
> because they are bad practice and make debugging harder.

BTW, let me add to the (valid) warnings that this can still be achieved
with cl-letf:

    (cl-letf (((symbol-function 'some-function) #'some-other-function))
      code...)

The created binding to the symbol-function place is dynamical.


Michael.
This bug report was last modified 9 years and 106 days ago.

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