Re: [elpa] master 6a098c6 15/19: Add ivy-mode

[Stefan Monnier]

> +  (cond ((functionp collection)
> +         (error "Function as a collection unsupported"))
> +        ((hash-table-p collection)
> +         (error "Hash table as a collection unsupported"))
> +        ((listp (car collection))
> +         (setq collection (mapcar #'car collection))))
[...]
> +      (setq completing-read-function 'ivy-completing-read)

Since completion-tables in the form of a function are pretty common
nowadays (and becoming every time more frequent), this is a real
problem:

   emacs -Q -l .../swiper/swiper-autoloads.el
   M-x ivy-mode RET
   C-x C-f
   C-x b

Notice how both C-x C-f and C-x b signal errors.


        Stefan