From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: tomas@tuxteam.de Newsgroups: gmane.lisp.guile.devel Subject: Re: Fwd: [Patch] definitions in when, unless, do as well as in cond- and case-clauses Date: Sun, 6 Feb 2022 21:31:48 +0100 Message-ID: References: <8db379b94c9d724c833478db7e6e8a6a4f379f69.camel@telenet.be> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="9u3KlH6ABdENopbO" Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="39640"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Linus =?utf-8?Q?Bj=C3=B6rnstam?= , guile-devel To: Maxime Devos Original-X-From: guile-devel-bounces+guile-devel=m.gmane-mx.org@gnu.org Sun Feb 06 21:32:25 2022 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 1nGoCu-000A6Z-TY for guile-devel@m.gmane-mx.org; Sun, 06 Feb 2022 21:32:24 +0100 Original-Received: from localhost ([::1]:33294 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1nGoCt-000059-Up for guile-devel@m.gmane-mx.org; Sun, 06 Feb 2022 15:32:23 -0500 Original-Received: from eggs.gnu.org ([209.51.188.92]:40488) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nGoCQ-00004z-6Z for guile-devel@gnu.org; Sun, 06 Feb 2022 15:31:54 -0500 Original-Received: from mail.tuxteam.de ([5.199.139.25]:51722) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1nGoCO-0004nn-5b for guile-devel@gnu.org; Sun, 06 Feb 2022 15:31:53 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=tuxteam.de; s=mail; h=In-Reply-To:Content-Type:MIME-Version:References:Message-ID:Subject :Cc:To:From:Date:Sender:Reply-To:Content-Transfer-Encoding:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Id:List-Help:List-Unsubscribe:List-Subscribe: List-Post:List-Owner:List-Archive; bh=c7xJXjlqs62kMBVB0yJ6WkJbSONhIqVr0zuAzZz0Pv0=; b=qZaRIjkmQW56RgkhYtP5yAba5J 4eLFNMbYkpo5ohk5LQ9wEOiKMpHTaFUBbt4K6kUjEMLWwLC3EiaLTEb+ToOn8VWnP94GBems5ofpI sjy0JjxsBKyoKXwX0y6mNWmwUvTyuihv6GFl55wcDUs+ZJc3rSTeAV0YS6VvLTJIuoYfniAo2y6Pk ehdYx77IsS4laz+79U7xyeckoVWm/gwGMZKiYNULAAQeaeEftFkB5pliEOh+o3GRvZ/DSK6k++KPC LNrwbgEL0gH9z+Mvs1jG61Kg3HpvTXj0GmM+tOEMvRqrDigxFd6jX14Rva3g71Ff00AETY08XExAk igCe7fbQ==; Original-Received: from tomas by mail.tuxteam.de with local (Exim 4.94.2) (envelope-from ) id 1nGoCK-0006pM-DC; Sun, 06 Feb 2022 21:31:48 +0100 Content-Disposition: inline In-Reply-To: Received-SPF: pass client-ip=5.199.139.25; envelope-from=tomas@tuxteam.de; helo=mail.tuxteam.de 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, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guile-devel@gnu.org X-Mailman-Version: 2.1.29 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:21083 Archived-At: --9u3KlH6ABdENopbO Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Sun, Feb 06, 2022 at 09:28:15PM +0100, Maxime Devos wrote: > Stefan Israelsson Tampe schreef op zo 06-02-2022 om 21:13 [+0100]: > > Hmm just why conditionals use begin and not let, >=20 > I'd assume the reason is that this is how it has been done in the past > and because of performance reasons (which don't seem to apply > anymore?), so I guess that we could now switch to the more general > 'let'? Hm. Perhaps it's just ergonomics of sorts. The intention of `begin' seems somehow clearer than a `let' with no bindings (or, more insidious, with unused bindings ;) Cheers --=20 t --9u3KlH6ABdENopbO Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iF0EABECAB0WIQRp53liolZD6iXhAoIFyCz1etHaRgUCYgAwLQAKCRAFyCz1etHa RmOnAJ9/GJIk4e62SHlW8WKzo7QdWXwbjgCbBJoZuO/yQBudWro9ED1mQGDVjUs= =EekK -----END PGP SIGNATURE----- --9u3KlH6ABdENopbO--