From: Thierry Volpiatto <thievol@posteo.net>
To: Qiantan Hong <qthong@stanford.edu>
Cc: "emacs-devel@gnu.org" <emacs-devel@gnu.org>
Subject: Re: completing-read, empty collection, require match
Date: Sun, 05 Dec 2021 11:21:43 +0000 [thread overview]
Message-ID: <8735n7mh4o.fsf@posteo.net> (raw)
In-Reply-To: <4BB55705-49C3-45E0-80CE-2F56E2BD9DE4@stanford.edu> (Qiantan Hong's message of "Sat, 4 Dec 2021 14:30:09 +0000")
Qiantan Hong <qthong@stanford.edu> writes:
> (completing-read "test: " nil nil t)
> will pop up a prompt in mini buffer, pretend asking you for something
> and then inevitably fail.
>
> Is there some rationale behind the current behavior?
> Failing immediately seems strictly more efficient.
Helm is now quitting when collection is empty and require-match is
strict (i.e. `t').
(completing-read "test: " nil nil t)
=> Quit.
(completing-read "test: " nil nil)
=> Returns input.
(completing-read "test: " nil nil 'confirm)
=> Returns input after confirmation (press RET twice).
--
Thierry
prev parent reply other threads:[~2021-12-05 11:21 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-12-04 14:30 completing-read, empty collection, require match Qiantan Hong
2021-12-04 15:03 ` Stefan Monnier
2021-12-05 11:21 ` Thierry Volpiatto [this message]
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