From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: Philip Kaludercic Newsgroups: gmane.emacs.devel Subject: Re: [elpa] externals/org 26ef5e3e5b: org-src: Use `sh-mode' for all the shells it can handle Date: Mon, 17 Apr 2023 16:42:50 +0000 Message-ID: <87354yh33p.fsf@posteo.net> References: <168174708495.14139.12756054653439048176@vcs2.savannah.gnu.org> <20230417155805.3E200C1391A@vcs2.savannah.gnu.org> <87bkjmh3st.fsf@posteo.net> <875y9usbvk.fsf@igel.home> Mime-Version: 1.0 Content-Type: text/plain Injection-Info: ciao.gmane.io; posting-host="blaine.gmane.org:116.202.254.214"; logging-data="32600"; mail-complaints-to="usenet@ciao.gmane.io" Cc: Lynn Winebarger , Stefan Monnier , Matthew Trzcinski , emacs-devel To: Andreas Schwab Original-X-From: emacs-devel-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Mon Apr 17 18:43:02 2023 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 1poRwT-0008GE-GU for ged-emacs-devel@m.gmane-mx.org; Mon, 17 Apr 2023 18:43:01 +0200 Original-Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1poRw0-0007B7-4I; Mon, 17 Apr 2023 12:42:33 -0400 Original-Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1poRvt-00077d-Fb for emacs-devel@gnu.org; Mon, 17 Apr 2023 12:42:26 -0400 Original-Received: from mout02.posteo.de ([185.67.36.66]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1poRvr-0001YT-JK for emacs-devel@gnu.org; Mon, 17 Apr 2023 12:42:25 -0400 Original-Received: from submission (posteo.de [185.67.36.169]) by mout02.posteo.de (Postfix) with ESMTPS id 830F02401C9 for ; Mon, 17 Apr 2023 18:42:21 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=posteo.net; s=2017; t=1681749741; bh=FXdJL1WLGGi98tRprpzTI7P+ktKWeVEU9shVtpkpjl8=; h=From:To:Cc:Subject:Autocrypt:Date:From; b=GBQVDkWOtyFgZkEDfajWbUl5HVubw+w9xneZXj2p+ctwTo0Ts5fNy2Y5DwE9ocft7 vv/rg32ktQpbw169ZegPwI+y4fHedVS+5baWPmqHwhfrI4MBCgZn9rGMnFuM2pI/Ta 3jzH2GbpGZEnZnNETwuG88NjucgmZqgk6QulqLvwZJFjDUPt6NKoos7NN+vg22pC+/ XChtFL6vasQsT86akp6mXRIN2eqtlSUxI8EDvtKX8vFvne1tFXHmGnxXolLPv9RyQ0 TYOwOF9Xx7u8EzUzEDO+K/Ogf82CWSMqV/EjB5Px9w9mXAL+WZSXBuAco4KvgelX1U oACMYPSUzpLZw== Original-Received: from customer (localhost [127.0.0.1]) by submission (posteo.de) with ESMTPSA id 4Q0Xs81wTvz6tvv; Mon, 17 Apr 2023 18:42:20 +0200 (CEST) In-Reply-To: <875y9usbvk.fsf@igel.home> (Andreas Schwab's message of "Mon, 17 Apr 2023 18:37:51 +0200") Autocrypt: addr=philipk@posteo.net; keydata= mDMEZBBQQhYJKwYBBAHaRw8BAQdAHJuofBrfqFh12uQu0Yi7mrl525F28eTmwUDflFNmdui0QlBo aWxpcCBLYWx1ZGVyY2ljIChnZW5lcmF0ZWQgYnkgYXV0b2NyeXB0LmVsKSA8cGhpbGlwa0Bwb3N0 ZW8ubmV0PoiWBBMWCAA+FiEEDg7HY17ghYlni8XN8xYDWXahwukFAmQQUEICGwMFCQHhM4AFCwkI BwIGFQoJCAsCBBYCAwECHgECF4AACgkQ8xYDWXahwulikAEA77hloUiSrXgFkUVJhlKBpLCHUjA0 mWZ9j9w5d08+jVwBAK6c4iGP7j+/PhbkxaEKa4V3MzIl7zJkcNNjHCXmvFcEuDgEZBBQQhIKKwYB BAGXVQEFAQEHQI5NLiLRjZy3OfSt1dhCmFyn+fN/QKELUYQetiaoe+MMAwEIB4h+BBgWCAAmFiEE Dg7HY17ghYlni8XN8xYDWXahwukFAmQQUEICGwwFCQHhM4AACgkQ8xYDWXahwukm+wEA8cml4JpK NeAu65rg+auKrPOP6TP/4YWRCTIvuYDm0joBALw98AMz7/qMHvSCeU/hw9PL6u6R2EScxtpKnWof z4oM Received-SPF: pass client-ip=185.67.36.66; envelope-from=philipk@posteo.net; helo=mout02.posteo.de X-Spam_score_int: -43 X-Spam_score: -4.4 X-Spam_bar: ---- X-Spam_report: (-4.4 / 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_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_H2=-0.001, 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: emacs-devel@gnu.org X-Mailman-Version: 2.1.29 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-bounces+ged-emacs-devel=m.gmane-mx.org@gnu.org Xref: news.gmane.io gmane.emacs.devel:305373 Archived-At: Andreas Schwab writes: > On Apr 17 2023, Philip Kaludercic wrote: > >>> Why is the former more efficient than the latter? It looks like the former >>> would have to construct the '(1 2) list twice, and the latter only once. >>> And the '(a b c d) cons cells are only allocated once either way. >> >> (I believe) It is more efficient, since there are fewer function calls. >> I have had issues in the past with ,@ expanding to code that would have >> exceeded the maximal evaluation depth, until I split it up and manually >> used `append' that has the advantage of being implemented in C. > > cons is a bytecode intrinsic, so it shouldn't make that much of a > difference. > (cons 'a (cons 'b (cons 'c (cons 'd (list 1 2 3))))) is translated into > > 0 constant a > 1 constant b > 2 constant c > 3 constant d > 4 constant 1 > 5 constant 2 > 6 constant 3 > 7 listN 7 Would this also affect code in a `eval-when-compile' block (which was my anecdotal case)? From what I see, that shouldn't be byte-compiled.