From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: =?utf-8?Q?Gerd_M=C3=B6llmann?= Newsgroups: gmane.emacs.devel Subject: Re: MPS: weak hash tables Date: Sun, 07 Jul 2024 16:52:15 +0200 Message-ID: References: <878qyeffjh.fsf@localhost> <8734olzlws.fsf@gmail.com> <867cdx32e3.fsf@gnu.org> <864j912t0s.fsf@gnu.org> <86zfqt1cxa.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32937"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Cc: pipcet@protonmail.com, eller.helmut@gmail.com, yantar92@posteo.net, emacs-devel@gnu.org To: Eli Zaretskii Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sun Jul 07 16:53:05 2024 Return-path: Envelope-to: ged-emacs-devel@m.gmane-mx.org Original-Received: from lists.gnu.org ([209.51.188.17]) by ciao.gmane.io with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1sQTGC-0008Ho-Hw for ged-emacs-devel@m.gmane-mx.org; Sun, 07 Jul 2024 16:53:04 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sQTFY-0008HP-A2; Sun, 07 Jul 2024 10:52:24 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sQTFW-0008Gs-5j for emacs-devel@gnu.org; Sun, 07 Jul 2024 10:52:22 -0400 Original-Received: from mail-ed1-x532.google.com ([2a00:1450:4864:20::532]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sQTFT-0001eX-Ml; Sun, 07 Jul 2024 10:52:21 -0400 Original-Received: by mail-ed1-x532.google.com with SMTP id 4fb4d7f45d1cf-57cbc66a0a6so5219949a12.1; Sun, 07 Jul 2024 07:52:18 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1720363936; x=1720968736; darn=gnu.org; h=mime-version:user-agent:message-id:date:references:in-reply-to :subject:cc:to:from:from:to:cc:subject:date:message-id:reply-to; bh=kEc5JIiozXQTCSFSNl9ZtygdD+vYUniV/bUeLRS4z6E=; b=dthIYXk/a0X5bnGZOTPuIBtc41Gw4VCrkxqvTY2ongxa6cdRsXpkLZAx69QeigBP3M bwZQGU+1xVAXD3ubZHVL1NvH7u3ZLbpP5h/+LdpVJygNcsVcj8ucsc+HA6ZAQDl15e+g E9agA0SzzxIEPjKs2D/2AfMYyZEkIb56B2m7+cKYeiOTf4wEc21h2UTeauILkb8tTOxu 5TNNg9jcYCjax/2ad+qSuM54Cs/KU8jCZPumRMRUW5BPGPFRb1lYqsStdCGw5umHzmrn QaB5tzxL7zpBnWikAxQe2AgqDJTYyHur2zbjnaMGJY6cVUpwWHjPmiRk27xM6hDXzNiK sTBQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1720363936; x=1720968736; h=mime-version:user-agent:message-id:date:references:in-reply-to :subject:cc:to:from:x-gm-message-state:from:to:cc:subject:date :message-id:reply-to; bh=kEc5JIiozXQTCSFSNl9ZtygdD+vYUniV/bUeLRS4z6E=; b=D7Wukx3UkQK/mLm5JGxufxwbMnTidx7WTwBK2BcNpCofwrz+9R/dk3C554Jggl3j1g TplwiJr+SEKNq/3vaPi+T4j51yoq51m2Z1GVP3S50GaB1WKNzLspIpj96xXmB6EHvtPF gxcVMRHlObaXcEZT6bk+QGPulDCuEigWE2Jy9uaqztIZJGf+W4yZAD8uo0Q5I8cWeWNv QicpvP6ZhJ0LSE4Y5q6sXWxVaAgNRC++QrPYd+9/sBULrYBAdBCiYuDsgOAds9jxoid+ 44L5TJYmMZKUPaEHVJ9Jmm0MO/BhW+J3NsjE5//nwzVwDsvH0mHcTfeNAmNv0okVk/C6 NKLg== X-Forwarded-Encrypted: i=1; AJvYcCXKTfrT/ZUfciLkrzJkB5V8/zxp6YOejPB5R8tDE9w1f17bReIXABmiNEZHOgdXkpw/Noft4Z6kC2cCQKbp3lM3thBR X-Gm-Message-State: AOJu0YzvVB4VNlldG3bapnBCL9DHW6OUQFQy7ibq8oSSW1ZO0nzh/0tO dLMMU0dq7X4cWEXI6fbuu+DinMK4UtXYno2wt6rab6PApHtRQ74KEMPqNA== X-Google-Smtp-Source: AGHT+IEQsnsPNxKlAhuisSvZhFkTSVVeZjuouxKVpwUAdJdWivj5UYU2SPUtSN0IJ7KpDNIZf5gUGQ== X-Received: by 2002:a05:6402:2692:b0:57d:5442:a709 with SMTP id 4fb4d7f45d1cf-58e7744e613mr9161180a12.0.1720363936421; Sun, 07 Jul 2024 07:52:16 -0700 (PDT) Original-Received: from pro2.fritz.box (p4fe3a778.dip0.t-ipconnect.de. [79.227.167.120]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-58e88a6c067sm4012540a12.38.2024.07.07.07.52.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 07 Jul 2024 07:52:16 -0700 (PDT) In-Reply-To: <86zfqt1cxa.fsf@gnu.org> (Eli Zaretskii's message of "Sun, 07 Jul 2024 17:42:25 +0300") Received-SPF: pass client-ip=2a00:1450:4864:20::532; envelope-from=gerd.moellmann@gmail.com; helo=mail-ed1-x532.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: "Emacs development discussions." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Original-Sender: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:321493 Archived-At: Eli Zaretskii writes: >> It starts with the root of a tree becoming unreachable, say a string's >> intervals become unreachable because the string is unreachable. By that, >> the root's children are unreachable and so on. > > I thought about the case where the string or the buffer are still > alive, but some of their intervals are no longer used because of > changes in the text properties. Isn't that similar? In that case, no root and not other node in the tree has a reference to the interval in question, so it's unreachable.