Re: Compiler warning

[Noam Postavsky <npostavs@gmail.com>]

On 18 July 2018 at 07:38, Andreas Röhler <andreas.roehler@easy-emacs.de> wrote:

> get a strange
>
> Warning: Unused lexical variable ‘i’
>
> refering to this:
>
> (defun py-forward-block (&optional arg decorator bol)
>   "[...]"
>   (interactive "p")
>   (let (erg)
>     (dotimes (i (or arg 1))
>       (let ((orig (point)))
>         (setq erg (py--end-base 'py-block-re orig decorator bol))))

You haven't use `i', so the warning seems fitting. Use `_' instead of
`i' to tell the compiler the variable is ignored on purpose.

> While code below compiles without warning:
>
> (defun foo (&optional arg)
>   (interactive "p")
>   (dotimes (i (or arg 1))
>     (insert "Me again\n")))

Did you compile this one without lexical-binding?