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?Marc_Nieper=2DWi=C3=9Fkirchen?= Newsgroups: gmane.lisp.guile.devel Subject: Re: [PATCH] add SRFI: srfi-121; generators Date: Tue, 4 Aug 2020 14:48:44 +0200 Message-ID: References: Mime-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="4331"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Mark H Weaver , John Cowan To: guile-devel@gnu.org Original-X-From: guile-devel-bounces+guile-devel=m.gmane-mx.org@gnu.org Tue Aug 04 14:49:10 2020 Return-path: Envelope-to: guile-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 1k2wNS-00011x-4F for guile-devel@m.gmane-mx.org; Tue, 04 Aug 2020 14:49:10 +0200 Original-Received: from localhost ([::1]:34180 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1k2wNR-00024x-3e for guile-devel@m.gmane-mx.org; Tue, 04 Aug 2020 08:49:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:41142) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1k2wNH-00024n-33 for guile-devel@gnu.org; Tue, 04 Aug 2020 08:48:59 -0400 Original-Received: from mail-pg1-x541.google.com ([2607:f8b0:4864:20::541]:44890) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1k2wNF-0000Ua-Hc for guile-devel@gnu.org; Tue, 04 Aug 2020 08:48:58 -0400 Original-Received: by mail-pg1-x541.google.com with SMTP id j19so22027358pgm.11 for ; Tue, 04 Aug 2020 05:48:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc:content-transfer-encoding; bh=Z3pbgm2EoMztqhHeFtDZkH5IuOge34cMTKqfefdtWBs=; b=L8saUHkPriSJYoIIet8Y0JvkCOHrrZ28wJGlY4Fl1IwPHdLYtQrT3mRy9gvHdHpTZX wPPmtY7mCZAG7I3LpRKoh9KKKAX1t1gu8iY5sPtezK2XgLY1edf2htUQjlAV/Ak/wneJ dsDjt3jCQmE0BqJFhsBekKaLUWHnrkgkOMl7fWl+fwOT9dWkj1XUx5MTA8bEmTur9tLe fpNytZVzxkbHhzk3LxV/thCZarloqMZGKwXIe2AZb2cIQlX9zNT5SQt9u9kbEM74UA+1 HJisgkX7GGxM4NGneppCDDvSin2WLVn/zg6MuoOBGYY4hCspLo0Ru7tjbsBgkyQIhg8i QTFg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc:content-transfer-encoding; bh=Z3pbgm2EoMztqhHeFtDZkH5IuOge34cMTKqfefdtWBs=; b=cgKaTvmNY0cehYNiHgKU9YUURZ4T9rWUwsVIJytu+iFba9B1jdIELTRP85efTeQgJ7 NG0t1ClyBqvzzSX4OaWIe/gF9rJynegeaeyW9/1h1u4DzQB0PwJEM3ZwXk1FtVVlkR9k F5p7Sh3F4Czgcyep0zLxD4KyipJ6GyTlwb1MksvzMRyr/PgK4IyhfEvYWeDKHGwiZSN4 rtjW3B2VDHPIDdXpYmWZG8CfZslzzY/wj07+OKc1jnGgqrBPZqoaSiPlmRVZONC1uAc0 93507tGX6uAI6GMkQyyNvnsrtOtGGDSitJCcQwkV2NcwKJeECGuevR4I0Gf6KVFzv3Yp qtLg== X-Gm-Message-State: AOAM532AK2UYMWKf7MxUhH3SnmBY4RBw0utX/TDqE9Ts0lNSaLPXXGms rClpsQj5jjj9Ci1MCsuk60JhbhrKM6IAYA1hxD9n80UY/Mc= X-Google-Smtp-Source: ABdhPJxUHQp/IGhpgtY4ZMc5Ig6+maTtRhVNJrScKKRx1YD2jcUEiB3Ud0TO76f/lTVQDWYTmRvuQ/0LiZ/lWil1xyA= X-Received: by 2002:aa7:9390:: with SMTP id t16mr19589432pfe.311.1596545335315; Tue, 04 Aug 2020 05:48:55 -0700 (PDT) In-Reply-To: Received-SPF: pass client-ip=2607:f8b0:4864:20::541; envelope-from=marc.nieper@gmail.com; helo=mail-pg1-x541.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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: guile-devel@gnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: "Developers list for Guile, the GNU extensibility library" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guile-devel-bounces+guile-devel=m.gmane-mx.org@gnu.org Original-Sender: "guile-devel" Xref: news.gmane.io gmane.lisp.guile.devel:20569 Archived-At: Am Mo., 3. Aug. 2020 um 21:41 Uhr schrieb Marc Nieper-Wi=C3=9Fkirchen : > > I'm sorry to say it, but in my opinion SRFI-121 and SRFI-158 should be > > deprecated and avoided. The reference implementations do not match the > > specifications, and the specifications themselves are self-contradictor= y > > (see above). Therefore, it's entirely possible that users of these > > SRFIs may have contradictory expectations about how these procedures > > behave. Some may have read the spec one way, some may have read the > > spec in a contradictory way, some may have learned from how the buggy > > reference implementation behaves, and others may have learned from the > > behavior of a different SRFI-121 implementation that doesn't have those > > bugs. At this point, I don't see how the problems can be fixed without > > breaking some users' assumptions, and therefore breaking existing code. > Of course, all this can be fixed, but by the sheer size of R7RS-large, > I doubt that it ever will. PPS That said, the more people are committing a bit of their spare time to R7RS-large, the better the result will be. So if you are inclined to improve SRFI 121/158 in the areas in which you have perceived deficiencies, I am sure that John will put an improved version on the next ballot.