Path: csiph.com!v102.xanadu-bbs.net!xanadu-bbs.net!feeder.erje.net!eu.feeder.erje.net!newsfeed.freenet.ag!ecngs!feeder2.ecngs.de!novso.com!newsfeed.xs4all.nl!newsfeed3a.news.xs4all.nl!xs4all!newsgate.cistron.nl!newsgate.news.xs4all.nl!post.news.xs4all.nl!not-for-mail Return-Path: X-Original-To: python-list@python.org Delivered-To: python-list@mail.python.org X-Spam-Status: OK 0.013 X-Spam-Evidence: '*H*': 0.97; '*S*': 0.00; 'subject:Python': 0.06; 'arguments': 0.09; 'cc:addr:python-list': 0.11; 'jan': 0.12; 'splitting': 0.16; 'sat,': 0.16; 'wrote:': 0.18; 'things.': 0.19; 'command': 0.22; 'cc:addr:python.org': 0.22; 'skip': 0.24; 'cc:2**0': 0.24; 'nearly': 0.26; 'header:In-Reply-To:1': 0.27; 'am,': 0.29; 'message-id:@mail.gmail.com': 0.30; "i'm": 0.30; 'agreed.': 0.31; 'subject:skip:i 10': 0.31; 'received:google.com': 0.35; 'there': 0.35; 'really': 0.36; 'space': 0.40; 'how': 0.40; 'is.': 0.60; '2015': 0.84 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=DzColDJjCiGN/f3w8KH7SVurNL0SX8arBlAk/3iFUkg=; b=SQzvY9Rkh3hWPz2wcXS5IjqdbP4sGO66/xWIkOOc+GLpVAEh69Br/Yk6hHZfL8vHE4 GO8OSNy/1NxNe1pmNWaNIhFzGIGEga6Iwub4d0fHxrjTHxlMB8RmklIEmgbCV3EIPGEJ GTsoTTH1VKJD6otmlqZiQUxd9yvAcUisk3vkSocMRG+muYcM1RNi+Ma+NQBlFtPzW5kH uDBKjVTT40Pewrk4NXeLjVWCa+QhzpZaN+OLiwOBDT+otJHkm0XWfXAhkujfNGxlLdXh lrPfaWkSO63dU/7OVFecxRT83Se3itr2yL1l6LpYTvC+QFjPv9MKtsie5xHQVLPfgHx4 CFMQ== MIME-Version: 1.0 X-Received: by 10.182.53.136 with SMTP id b8mr12352321obp.7.1421497176942; Sat, 17 Jan 2015 04:19:36 -0800 (PST) In-Reply-To: References: <3d8068b3-7b63-43c0-bbf2-6111b2c73aa4@googlegroups.com> <87zj9kb2j0.fsf@elektro.pacujo.net> <54B86CF8.7040602@gmail.com> <54ba39e0$0$13008$c3e8da3$5496439d@news.astraweb.com> <87a91hoebi.fsf@elektro.pacujo.net> Date: Sat, 17 Jan 2015 06:19:36 -0600 Subject: Re: lambdak: multi-line lambda implementation in native Python From: Skip Montanaro To: Jussi Piitulainen Content-Type: text/plain; charset=UTF-8 Cc: Python X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: General discussion list for the Python programming language List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Newsgroups: comp.lang.python Message-ID: Lines: 17 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1421497179 news.xs4all.nl 2882 [2001:888:2000:d::a6]:50559 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:83915 On Sat, Jan 17, 2015 at 5:59 AM, Jussi Piitulainen wrote: > How far do you want to go? Is "a b + c" the same as "a(b) + c" or the > same as "a(b + c)"? I think there is only one practical interpretation, the one that all shells I'm familiar with have adopted: a(b, +, c) > And I don't really want to know which it is. I prefer parentheses. > They are not nearly as fragile. Agreed. Without parens, splitting the command line arguments on white space is the only non-fragile way to do things. Skip