From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Paul Pogonyshev Newsgroups: gmane.emacs.bugs Subject: bug#26073: bug in generator function with nested dash anaphoric macros Date: Sun, 12 Mar 2017 14:25:06 +0100 Message-ID: NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 X-Trace: blaine.gmane.org 1489325176 4196 195.159.176.226 (12 Mar 2017 13:26:16 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Sun, 12 Mar 2017 13:26:16 +0000 (UTC) To: 26073@debbugs.gnu.org Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Sun Mar 12 14:26:10 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 1cn3Ve-000068-SN for geb-bug-gnu-emacs@m.gmane.org; Sun, 12 Mar 2017 14:26:07 +0100 Original-Received: from localhost ([::1]:47087 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cn3Vj-0001Cs-6Q for geb-bug-gnu-emacs@m.gmane.org; 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a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:from:date:message-id:subject:to; bh=K0TQ4UcVnrPb5xXQKyQSvyDPrbrlqNJrDmLkj6v6pQY=; b=bZOvzj2L4q06YZYtTTqCz4MLXxdoqIKa+HihjvZAkMqq+MkmH1+YRmrZse0tpFEReA BIA49wppd+WGlHeJ8N6PZS+BjZHDcvrrvFQZ02mIcsAIa1mQLsAhhG4zs7KAIu+n8jhN NFXeQdYILHiaqQIWLXxR+TTgF76Ss83ZwGrsKqHpA/WAZJ1MmT8zv4hjjbA1GALrOni0 HyoZ31b28xwYvt0r7zgbRHWeSxyMMj649zKYKXC7L3FDh1xr8HgaU4klfK0ffzyEGvfv /LTgnuUSQ0rfDWEflynjBX1M7pioaPNXkv5ZeT18fFBo6OVPAfl0ziXfdwxHRZ0rcnD2 /G7w== X-Gm-Message-State: AMke39llqQh2fF2bj65pC6Z85hQcyA/UGY2q7Nj1Bti+LazcWO4+Y90xMVld7uORXxnIIEydZAmxnpSYu5NZEA== X-Received: by 10.84.232.131 with SMTP id i3mr40953894plk.172.1489325106380; Sun, 12 Mar 2017 06:25:06 -0700 (PDT) Original-Received: by 10.100.176.176 with HTTP; Sun, 12 Mar 2017 06:25:06 -0700 (PDT) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.6.x 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:130511 Archived-At: To reproduce: (iter-do (y (funcall (iter-lambda (x) (--each x (let ((y (--map (- it) it))) (iter-yield y)))) '((1 2) ( 3 4)))) (print y)) This should print (-1 -2) and (-3 -4), but instead results in an error. If you comment out the `iter-yield' form, the example evaluates--- producing different output, of course, but at least without errors. This looks related to bug #26068, but is not fixed by the patch in that bug. It is likely related to that both nested dash forms use `it' variable, and it looks like the wrong (outer) `it' is passed to (- it). Paul