From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.org!.POSTED!not-for-mail From: Noam Postavsky Newsgroups: gmane.emacs.bugs Subject: bug#30626: 26.0.91; Crash when traversing a `stream-of-directory-files' Date: Thu, 1 Mar 2018 12:15:43 -0500 Message-ID: References: <87inaiss6l.fsf@web.de> <6FCF6ACA-4F29-4B6B-BE9D-D7130C6E9495@gnu.org> <87fu5moe4c.fsf@web.de> <877eqyocro.fsf@web.de> <83zi3uz4nb.fsf@gnu.org> <5d5ccb32-434a-cda9-67c4-c60abeb450df@dancol.org> <87muzrg2hq.fsf@web.de> NNTP-Posting-Host: blaine.gmane.org Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" X-Trace: blaine.gmane.org 1519924457 29483 195.159.176.226 (1 Mar 2018 17:14:17 GMT) X-Complaints-To: usenet@blaine.gmane.org NNTP-Posting-Date: Thu, 1 Mar 2018 17:14:17 +0000 (UTC) Cc: 30626@debbugs.gnu.org To: Michael Heerdegen Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane.org@gnu.org Thu Mar 01 18:14:13 2018 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 1erRmS-00070w-DH for geb-bug-gnu-emacs@m.gmane.org; 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Thu, 01 Mar 2018 09:15:44 -0800 (PST) Original-Received: by 10.74.59.65 with HTTP; Thu, 1 Mar 2018 09:15:43 -0800 (PST) In-Reply-To: <87muzrg2hq.fsf@web.de> 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:143791 Archived-At: On Thu, Mar 1, 2018 at 11:54 AM, Michael Heerdegen wrote: > Noam Postavsky writes: > >> Agreed, but could you please open a new thread for it? AFAICT, this >> bug thread is about streams.el functions producing structures >> proportional in size to the length of the entire stream, which is a >> bug in itself, regardless of whether or not the GC can handle the >> result. > > No, it is a feature: we want streams to produce these structures, > streams are delayed lists, not just iterators. Lists are also > potentially unlimited nested conses, and that's not a bug. Streams are > the same realized with delayed conses. Maybe I've misunderstood, but is it not the case that iterating over (stream-range 1 n) should require only a constant amount of memory, regardless of the value of n?