From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Michael Heerdegen Newsgroups: gmane.emacs.bugs Subject: bug#52063: 28.0.60; Confusing presentation of lambda Date: Thu, 25 Nov 2021 09:57:34 +0100 Message-ID: <87pmqotxxd.fsf@web.de> References: <83czmqaegb.fsf@gnu.org> <874k82vwe5.fsf@gnus.org> <831r35afde.fsf@gnu.org> <87v90hu36b.fsf@gnus.org> <83v90h8zjw.fsf@gnu.org> <87r1b5u1cl.fsf@gnus.org> <83pmqp8vps.fsf@gnu.org> <83zgpt7353.fsf@gnu.org> <83tug172a9.fsf@gnu.org> <664b6d0147ece2617779@heytings.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="4137"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) Cc: larsi@gnus.org, fgunbin@fastmail.fm, Stefan Monnier , 52063@debbugs.gnu.org To: Gregory Heytings Original-X-From: bug-gnu-emacs-bounces+geb-bug-gnu-emacs=m.gmane-mx.org@gnu.org Thu Nov 25 09:58:41 2021 Return-path: Envelope-to: geb-bug-gnu-emacs@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 1mqAaX-0000p1-BC for geb-bug-gnu-emacs@m.gmane-mx.org; 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Thu, 25 Nov 2021 09:57:37 +0100 In-Reply-To: <664b6d0147ece2617779@heytings.org> (Gregory Heytings's message of "Wed, 24 Nov 2021 22:37:53 +0000") X-Provags-ID: V03:K1:lbzWG0stk9m/yPSGBrOHYhthZoI9d1VYNmq9RDPRQ4NJ0VuztSx YbWZPBqWDFF+puuJIkTvhE1uMgBP9RBaVeRZMQfswCQAUrxd3oXfF4nif83WQtboBYOtqFY ffnRIK+DKfuUGw5T6Eoo3cet/LExZQ6dh3bWcz7aZ8gswINMKn+rjd8FOpyxt9QT/KYHXWn GhantIPkEM7ilztoCUQvg== X-UI-Out-Filterresults: notjunk:1;V03:K0:UG7M2H0/pBU=:SN4I8KaQnU364wHh6oI4e1 wuoMP12jU9wLMsyVXrr5GsgeH4TaCi+YVvXMnL0tA5Y47ne/nWDfLq+hYvUpLkcfcKYl/eE7x ywOztIUnTOHYS2y2IjMm5LWGzR0nkvWageSlHyof640V4juIJN4CAr7I72BgNySN3K9NlXz42 lgwqMgtCZQKoeyYch3CKNk8uRVPi+Y/mEddLTmm2ptsxrFDOt2WS8YA9z9G+b6hU6/6C5BjYh CLMkpf7r7RBNzpsoTBoEiF1Yv7R1bgI8TFGY0p4AMUqPNpcNpDW8otbECBGf4cUF+hJgh8PX+ rRISfmeRwKXmHdKuREDzTXKGD1aD+QNvdSjmCgHqGT4Py2hzNydDESeUeRm9EFqdjBgnN4n3S cKvwjXFT4Adey8WAOTzqXyQZqPt4GaYZqIbg2dsTefBHN/4yXqSYMZsRPUvBy85NcIEO6glRR vyC8/krQBLZsmYBYZm1rtA08ibGd2veH5YH84GzUbxkquQSYkxMF171TY4ADB4ZMXOr3EszvG yFrFhw3D2R5vl1x1eM3ZAz3NOGAivUzPyccu2WapdKn5hJvuKUHN6DaFCFaxPlZcGpNGQ/RnD 3MExEXSrz+YIkRoTbg/FfStZ+F7QM1t7UzD/gWPlZ5+uO2KYJi2OH+rx1CqVRirJHi3vE+K3f kJlFG7rN1UEyDTqfNUmXnUr/feQw3La5KEXE9UuraaYopovWPyvn5zGsLR9rs34SFkoxyDyOv 3EY4bXqJlK7mRs9XzrX+bQqP9xncZ+FNF+tVofqArAR3f1H9yDpIXa9jAyyl7L9Enl8ymqXT X-BeenThere: debbugs-submit@debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list 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-mx.org@gnu.org Original-Sender: "bug-gnu-emacs" Xref: news.gmane.io gmane.emacs.bugs:220802 Archived-At: Gregory Heytings writes: > AFAIU, the fundamental question here is: is "(closure (t) args body)" > different in any way from "(lambda args body)"? If not, is there a > good reason to use a "(closure (t)" instead of a "(lambda"? This is my question, too. But not only: any anonymous function that doesn't reference any part of its environment could (?) also be represented as a lambda list. With other words: only "real" closures would be represented as (closure ...). That would make inspection of values and things like debugging easier. Michael.