Re: [nongnu] elpa/undo-fu-session a6c4f73bc2: Cleanup: define functions side-effect-free

Re: [nongnu] elpa/undo-fu-session a6c4f73bc2: Cleanup: define functions side-effect-free

[Stefan Monnier]

>  (defun undo-fu-session--ensure-trailing-slash (dir)
>    "Return DIR with exactly one trailing slash."
> +  (declare (side-effect-free error-free))
>    ;; Both "/tmp" and "/tmp//" result in "/tmp/"
>    (file-name-as-directory (directory-file-name dir)))

Hmm... haven't checked the other ones, but this one is obviously a lie,
since it will signal an error if you pass it, say, an integer.


        Stefan