From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id BF7701381F3 for ; Wed, 24 Jul 2013 10:55:47 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 326D3E0A93; Wed, 24 Jul 2013 10:55:36 +0000 (UTC) Received: from mail-bk0-f46.google.com (mail-bk0-f46.google.com [209.85.214.46]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id E3915E08BB for ; Wed, 24 Jul 2013 10:55:34 +0000 (UTC) Received: by mail-bk0-f46.google.com with SMTP id na10so113609bkb.5 for ; Wed, 24 Jul 2013 03:55:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:subject:references :in-reply-to:content-type:content-transfer-encoding; bh=bovF2enQc+YUMQ2xoSsSvHpp3Co1BElB4UnZNZD/o+c=; b=hkb6HvzJyRsurPXZne7fQyNvRn2jkGce8l02/EggIDx28omjQwWTQOdhM3v2tTFNWt RTYISwGhg2DUUz8ZvFFTi2QbyAvjWdVYYpyBOqIn7hP0UBlPhMi+5yUMpUh6KKqZXyUc /HzAq0z5tImFU5erEcxGBiJteXfo03P1J/FLzMs44qf3DteeHFpHwp19F3x2eQWLQpYT EfcUHGXug/wkZq5xz4/uzjZ844bf6hhUnxsIrJh3lx46hGBPtD3pA/jyqA4ZoPeMzDXZ 1AtGQ5ECrbILb45lYL1dLEH+frDD9mJFb4GzS6ONzgArGRwSwq6lbVRrc54yWOPwWwus Fhww== X-Received: by 10.204.3.10 with SMTP id 10mr5243921bkl.93.1374663333469; Wed, 24 Jul 2013 03:55:33 -0700 (PDT) Received: from [10.1.20.205] (dustpuppy.is.co.za. [196.14.169.11]) by mx.google.com with ESMTPSA id g5sm9616048bkh.17.2013.07.24.03.55.32 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Wed, 24 Jul 2013 03:55:32 -0700 (PDT) Message-ID: <51EFB20F.1000002@gmail.com> Date: Wed, 24 Jul 2013 12:53:03 +0200 From: Alan McKinnon User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130709 Thunderbird/17.0.7 Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 To: gentoo-user@lists.gentoo.org Subject: Re: [gentoo-user] Portage 2.2 References: <20130724101357.GA13264@dethkomp> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Archives-Salt: 838144d9-7d91-4688-b684-0c1bd893ffae X-Archives-Hash: 725a916c2f7fcc80fb0b585b25119880 On 24/07/2013 12:52, Pavel Volkov wrote: > > > > On Wed, Jul 24, 2013 at 2:13 PM, Yohan Pereira > wrote: > > On 24/07/13 at 02:00pm, Pavel Volkov wrote: > > It initially suported set arithmetic (you could writes expressions > like > > "@set1+@set2/@set3"), I wonder why it was dropped :) > > Wow thats intresting. What could the / operator possibly do in the case > of sets? > > > I'm not sure about the correct notation but I think it was intersection. Difference actually :-) I can't think how intersection could be generally useful in portage sets. Maybe it was in the first draft just for completeness? -- Alan McKinnon alan.mckinnon@gmail.com