From: Drew Adams <drew.adams@oracle.com>
To: Shiyao Ma <i@introo.me>, help-gnu-emacs@gnu.org
Subject: RE: noob question on cl-flet.
Date: Wed, 20 Apr 2016 08:50:33 -0700 (PDT) [thread overview]
Message-ID: <5d30fc0b-52bf-4cde-baba-2e2235e7c197@default> (raw)
In-Reply-To: <CAJQX3DyLvfZhEfWay4LXouzmfKrUBvgLz0csR=g6Yk0dDWpuDg@mail.gmail.com>
> (cl-flet ((myfunc nil
> (message "i am in")))
> (myfunc)
> (princ (symbol-function 'myfunc)))
>
> Why symbol-function gives nil? My expectation is the function.
It returns nil because the symbol `myfunc' has an undefined function slot - it is not defined as a global function.
The binding created by `cl-flet' is not a binding of a Lisp (global) symbol. It is a local (let-like) lexical binding.
next prev parent reply other threads:[~2016-04-20 15:50 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-20 14:50 noob question on cl-flet Shiyao Ma
2016-04-20 15:50 ` Drew Adams [this message]
2016-04-20 16:08 ` 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
List information: https://www.gnu.org/software/emacs/
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=5d30fc0b-52bf-4cde-baba-2e2235e7c197@default \
--to=drew.adams@oracle.com \
--cc=help-gnu-emacs@gnu.org \
--cc=i@introo.me \
/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.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).