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From: Stefan Monnier <monnier@IRO.UMontreal.CA>
To: "Garreau\, Alexandre" <galex-713@galex-713.eu>
Cc: emacs-devel@gnu.org
Subject: Re: Why is there no `until' in elisp?
Date: Wed, 17 Oct 2018 11:06:28 -0400	[thread overview]
Message-ID: <jwv5zy0vck8.fsf-monnier+Inbox@gnu.org> (raw)
In-Reply-To: <87pnw9gcjl.fsf@portable.galex-713.eu> (Alexandre Garreau's message of "Wed, 17 Oct 2018 11:14:38 +0200")

> No, `while' currently returns its last body, I just checked:
> (let ((x 0)) (while (< x 5) (setq x (+ 1 x))) 8))

The 8 in your test case is outside of `while`, so it just shows what
`let` returns, not what `while` returns.  Try

    (let ((x 0)) (while (< x 5) (setq x (+ 1 x))))
or
    (let ((x 0)) (while (< x 5) (setq x (+ 1 x)) 8))


-- Stefan



  reply	other threads:[~2018-10-17 15:06 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 [this message]
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
2018-10-17 15:03     ` Stefan Monnier

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