Re: How to avoid compiler warning `unused lexical variable' for `dolist' or `dotimes'?

[Stefan Monnier]

> (defun pct-plus-times (amount percent times)
>   "Return AMOUNT increased for PERCENT for number of TIMES."
>   (dotimes (var times amount)
>     (setq amount (pct-plus amount percent))))
>
> And I see that `var' is unused there. I have never used those
> functions in a package so there were no warnings.

You can eliminate the warning as follows:

    (defun pct-plus-times (amount percent times)
      "Return AMOUNT increased for PERCENT for number of TIMES."
      (dotimes (var times)
        (setq amount (pct-plus amount percent)))
      amount)

No need to resort to `while`.


        Stefan