Re: [elpa] master 9f21e1d 06/18: Add a matching optimization

[Stefan Monnier]

>     * ivy.el (ivy-completions): When the new regex `re' is a contains the
>       old regex `ivy--old-re', it must be true that all candidates that
>       match `re' are contained inside all candidates that match

IIUC ivy-mode treats the minibuffer's content as a regexp, so the user
can write any fancy regexp she wants.  In that case, the above is
actually not guaranteed.  E.g.  "foo" matches fewer candidates than
"foo?".

> +                      ((and ivy--old-re (eq 0 (cl-search ivy--old-re re)))

Why not use string-prefix-p?


        Stefan