From: "Elias Mårtenson" <lokedhs@gmail.com>
To: Yuri Khan <yurivkhan@gmail.com>
Cc: Stefan Monnier <monnier@iro.umontreal.ca>,
emacs-devel <emacs-devel@gnu.org>
Subject: Re: Why is there no `until' in elisp?
Date: Wed, 17 Oct 2018 20:41:26 +0800 [thread overview]
Message-ID: <CADtN0WJgmjHL0V5C+hjo7tYydZZ_oiMcXJ9QhJP-wBNfhdkRcQ@mail.gmail.com> (raw)
In-Reply-To: <CAP_d_8XqerNmDMGpXT=yLAaEk8Zh7FXbJjHut5cBPZ-J4A3VQw@mail.gmail.com>
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On Wed, 17 Oct 2018, 16:06 Yuri Khan, <yurivkhan@gmail.com> wrote:
In both these implementations, ‘until’ is still a pre-condition loop
> (same as ‘while’, but with the condition negated).
>
> However, in many languages that have an ‘until’ loop as a language
> construct, it is a post-condition loop. The body is executed first,
> then the condition is evaluated.
>
Elisp already has the loop macro from CL which implements all of this, and
more. I honestly don't understand what this discussion is all about.
Since the desired functionality is already available, why try to define a
new API that won't do as much?
Regards,
Elias
>
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next prev parent reply other threads:[~2018-10-17 12:41 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-16 17:42 Why is there no `until' in elisp? Garreau, Alexandre
2018-10-16 19:16 ` Eric Abrahamsen
2018-10-16 19:31 ` Garreau, Alexandre
2018-10-16 20:23 ` Eric Abrahamsen
2018-10-16 23:00 ` Garreau, Alexandre
2018-10-19 15:28 ` Stefan Monnier
2018-10-16 21:28 ` Stefan Monnier
2018-10-17 0:12 ` Garreau, Alexandre
2018-10-17 2:04 ` Stefan Monnier
2018-10-17 9:14 ` Garreau, Alexandre
2018-10-17 15:06 ` Stefan Monnier
2018-10-17 16:51 ` Garreau, Alexandre
2018-10-19 15:34 ` Stefan Monnier
2018-10-19 18:08 ` Garreau, Alexandre
2018-10-17 8:04 ` Yuri Khan
2018-10-17 9:23 ` Garreau, Alexandre
2018-10-17 9:46 ` Yuri Khan
2018-10-17 11:06 ` Garreau, Alexandre
2018-10-17 17:50 ` Paul Eggert
2018-10-17 21:15 ` Garreau, Alexandre
2018-10-17 21:35 ` Paul Eggert
2018-10-17 21:49 ` Garreau, Alexandre
2018-10-17 22:33 ` Paul Eggert
2018-10-17 22:54 ` Garreau, Alexandre
2018-10-17 12:41 ` Elias Mårtenson [this message]
2018-10-17 15:03 ` Stefan Monnier
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