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

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Message #69 received at 12895 <at> debbugs.gnu.org (full text, mbox):

From: Antoine Levitt <antoine.levitt <at> gmail.com>
To: Michael Heerdegen <michael_heerdegen <at> web.de>
Cc: 12895 <at> debbugs.gnu.org, Stefan Monnier <monnier <at> iro.umontreal.ca>
Subject: Re: bug#12895: 24.3.50; Replacement for flet
Date: Tue, 9 Feb 2016 21:36:34 +0100

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That does the trick, thanks for taking the time to respond to such an old
bug report :-)

On 31 January 2016 at 18:42, Michael Heerdegen <michael_heerdegen <at> web.de>
wrote:

> 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.
>

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