From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: npostavs@users.sourceforge.net Newsgroups: gmane.emacs.bugs Subject: bug#27016: possible bug in `defsetf' Date: Thu, 25 May 2017 19:03:11 -0400 Message-ID: <87mva05ykw.fsf@users.sourceforge.net> References: <87poex5igx.fsf@users.sourceforge.net> <87vaood6nz.fsf@drachen> <87o9ugd3oe.fsf@drachen> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain X-Trace: blaine.gmane.org 1495753338 6048 195.159.176.226 (25 May 2017 23:02:18 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 25 May 2017 23:02:18 +0000 (UTC) User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/25.2.50 (gnu/linux) Cc: 27016@debbugs.gnu.org, Rafael D Sorkin To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Fri May 26 01:02:10 2017 Return-path: Envelope-to: geb-bug-gnu-emacs@m.gmane.org Original-Received: from lists.gnu.org ([208.118.235.17]) by blaine.gmane.org with esmtp (Exim 4.84_2) (envelope-from ) id 1dE1li-0001LN-Gz for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 25 May 2017 16:01:34 -0700 (PDT) Original-Received: from zony ([45.2.7.65]) by smtp.googlemail.com with ESMTPSA id c1sm4334itd.15.2017.05.25.16.01.33 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 25 May 2017 16:01:34 -0700 (PDT) In-Reply-To: <87o9ugd3oe.fsf@drachen> (Michael Heerdegen's message of "Thu, 25 May 2017 23:31:13 +0200") X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 208.118.235.43 X-BeenThere: bug-gnu-emacs@gnu.org List-Id: "Bug reports for GNU Emacs, the Swiss army knife of text editors" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.org gmane.emacs.bugs:132867 Archived-At: Michael Heerdegen writes: > Noam Postavsky writes: > >> Hmm, I thought it would cause the 'unless t' to happen in the >> macroexpansion phase as well, but I was wrong. Apparently 'eval-when' >> doesn't have this effect, only eval-when-compile or eval-and-compile >> will do the trick. > > That also doesn't work. Oh, hmm, I only checked by evaluating, I didn't actually try compiling to a separate file. > #+begin_src emacs-lisp > (macroexpand '(defsetf foo bar)) > ==> > '(lambda > (do &rest args) > (gv--defsetter 'foo > (lambda > (val &rest args) > `(,'bar ,@args ,val)) > do args)) > #+end_src I don't understand where that quote comes from. I guess I don't really understand what's going on here as well as I thought. > When you compile a file with this content: > > #+begin_src emacs-lisp > (eval-and-compile > (unless nil > (defsetf foo bar))) > #+end_src > > you get an empty .elc. > > Isn't that strange? Yeah, even stranger...