From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.ciao.gmane.io!not-for-mail From: Daniel Colascione Newsgroups: gmane.emacs.devel Subject: Re: Proper namespaces in Elisp Date: Sat, 09 May 2020 10:45:25 -0700 Message-ID: References: <87ftcee7td.fsf@tromey.com> <87pnbgzdmx.fsf@tromey.com> <1225997b-648a-068d-7f6b-e1575477a0d0@dancol.org> <875zd62qy7.fsf@t510.orion.oneofus.la> <09ed390e-c735-3a7e-ecfd-504557b192a2@dancol.org> <87368a2d1a.fsf@t510.orion.oneofus.la> Mime-Version: 1.0 Content-Type: text/plain; format=flowed; charset="UTF-8" Content-Transfer-Encoding: 8bit Injection-Info: ciao.gmane.io; posting-host="ciao.gmane.io:159.69.161.202"; logging-data="4843"; mail-complaints-to="usenet@ciao.gmane.io" User-Agent: AquaMail/1.24.0-1585 (build: 102400006) Cc: Tom Tromey , emacs-devel@gnu.org, =?UTF-8?B?Sm/Do28gVMOhdm9yYQ==?= , Stefan Monnier To: Andrea Corallo Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Sat May 09 19:48:13 2020 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 1jXTa8-00017m-5k for ged-emacs-devel@m.gmane-mx.org; Sat, 09 May 2020 19:48:12 +0200 Original-Received: from localhost ([::1]:59274 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1jXTa5-0007ri-Cw for ged-emacs-devel@m.gmane-mx.org; Sat, 09 May 2020 13:48:09 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]:34876) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jXTXj-0005nt-GF for emacs-devel@gnu.org; Sat, 09 May 2020 13:45:43 -0400 Original-Received: from dancol.org ([2600:3c01::f03c:91ff:fedf:adf3]:58522) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1jXTXg-0004e4-Ab for emacs-devel@gnu.org; Sat, 09 May 2020 13:45:43 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=dancol.org; s=x; h=Message-Id:Content-Transfer-Encoding:Content-Type:MIME-Version: Subject:References:In-Reply-To:Date:CC:To:From:Sender:Reply-To: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=iW/U3Ipon/QzAcufCALoEIs2nbvSR7RRdmMFzBYU2wI=; b=gYk0Bk3afBKiA5uWnTHlkPXFQG zJ0Bhxsq//odMM3rcLxfdnAhyBt2b005amK+KJeR+fKbA6M+zmW8Qpzy3g8I4nC6C++O7jm3GV2Ep dWa7m6Z1bgRkxkn3217KpiSQRL9geXYo8HJcisXWiwJF6LDqZ8Oa4iR8E/ngpmAiLgM1im8aIPj4f kc8vhMGFf/ACKHU8f+LN2DZOigeiZlQ2uDAtHSX1ge+jnInReVmeGYeQcTLI5VTYlbPH1W1uUtji3 UCVTn2v95k7a9NvVQ3N/Xi21QjnUbrjqZp+hmrlPWE3wDQzvHgs4LvsVY4fJnh/ircqZLlZbHpJJ6 PPoqk3Rw==; Original-Received: from [172.92.145.124] (helo=[192.168.86.155]) by dancol.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.89) (envelope-from ) id 1jXTXR-00020L-LS; Sat, 09 May 2020 10:45:25 -0700 In-Reply-To: Received-SPF: pass client-ip=2600:3c01::f03c:91ff:fedf:adf3; envelope-from=dancol@dancol.org; helo=dancol.org X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, URIBL_BLOCKED=0.001 autolearn=_AUTOLEARN X-Spam_action: no action X-BeenThere: emacs-devel@gnu.org X-Mailman-Version: 2.1.23 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" Xref: news.gmane.io gmane.emacs.devel:249523 Archived-At: On May 9, 2020 10:25:13 AM Andrea Corallo wrote: > Daniel Colascione writes: > >> On May 9, 2020 1:37:16 AM Andrea Corallo wrote: >> >>> Daniel Colascione writes: >>> >>>> So there are three basic operations we can support: in Python syntax, >>>> 1) from PKG import * (exposing PKG.foo as foo), 2) import PKG as p >>>> (exposing PKG.foo as p.foo) and 3), from PKG import foo (exposing >>>> PKG.foo as foo). CL supports all three. I'm most interested in >>>> supporting #2, since that's closest to existing use. The lexspace >>>> prototype posted earlier today supports #3 and #1 (the latter via >>>> lexspace inheritance) only, but I think we should do #2 instead >>> >>> I suspect we'll need all threes anyway. >> >> Why? What problem is actually being solved by #1 and #3? If the >> problem is that package names long enough to avoid collisions are too >> annoying to type, we can address this problem with #2. > > I think #1 would be the way to derive an entire package and add some > functionality to it without changing the names that you'll finally want > to re-expose. Is this correct? Can you give a concrete example of a situation in which it'd be useful to do that? I think other people on the thread are right about discouraging bulk naked symbol imports. > > -- > akrl@sdf.org