[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
bug#16206: 24.3; Incorrect unused variable byte-compiler warning in doti
From: |
Stefan Monnier |
Subject: |
bug#16206: 24.3; Incorrect unused variable byte-compiler warning in dotimes |
Date: |
Sun, 22 Dec 2013 21:48:50 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.3.50 (gnu/linux) |
> When `lexical-binding' is t the byte-compiler issues an invalid warning
> for `dotimes' when the optional "result" form is used. For example,
> byte-compile a file with these contents.
> ;;; -*- lexical-binding: t; -*-
> (defun foo ()
> (dotimes (i 1 t) i))
Indeed. This is a known problem. I strongly recommend you don't use
this third argument unless it makes use of `i' (which is basically the
only case where it's useful, AFAIK).
IOW use
(defun foo ()
(dotimes (i 1) i)
t)
-- Stefan