Re: completing-read, empty collection, require match

[Thierry Volpiatto]

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