From: Michael Heerdegen <michael_heerdegen@web.de>
To: Yuta Yamada <sleepboy.zzz@gmail.com>
Cc: 23495@debbugs.gnu.org
Subject: bug#23495: byte-compile-file return t when there is "XXX can't use lexical var" error
Date: Tue, 10 May 2016 20:23:43 +0200 [thread overview]
Message-ID: <87futp4vrk.fsf@web.de> (raw)
In-Reply-To: <20160509.011243.271129867897113450.sleepboy.zzz@gmail.com> (Yuta Yamada's message of "Mon, 09 May 2016 01:12:43 -0700 (PDT)")
Yuta Yamada <sleepboy.zzz@gmail.com> writes:
> ---- code ----
> ;; -*- lexical-binding: t; -*-
> (defun foo ()
> (let* ((a nil))
> (add-to-list 'a "foo")))
>
> (provide 'foo)
> ---- code end ----
>
> In *Compile-Log* buffer, I got:
>
> ---- log ----
> Compiling /home/uta/local/vcs/github.com/yuutayamada/emacs.d/elisp/self/hoge/foo.el...
>
> In foo:
> foo.el:6:13:Error: `add-to-list' can't use lexical var `a'; use `push' or
> `cl-pushnew'
> ---- log end ----
>
> But actually `byte-compile-file' return `t'.
AFAICT technically this is only a warning (displayed with
`display-warning' and level :error). So compiling does indeed succeed I
think.
See the compiler macro defined in the defun of `add-to-list' for
internals.
Michael.
next prev parent reply other threads:[~2016-05-10 18:23 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-09 8:12 bug#23495: byte-compile-file return t when there is "XXX can't use lexical var" error Yuta Yamada
2016-05-10 18:23 ` Michael Heerdegen [this message]
2016-05-10 23:45 ` Yuta Yamada
2016-05-11 0:29 ` Michael Heerdegen
2016-05-11 11:57 ` Michael Heerdegen
2016-05-11 14:33 ` Yuta Yamada
2016-05-11 16:25 ` Michael Heerdegen
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=87futp4vrk.fsf@web.de \
--to=michael_heerdegen@web.de \
--cc=23495@debbugs.gnu.org \
--cc=sleepboy.zzz@gmail.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
Code repositories for project(s) associated with this external index
https://git.savannah.gnu.org/cgit/emacs.git
https://git.savannah.gnu.org/cgit/emacs/org-mode.git
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.