Path: csiph.com!usenet.pasdenom.info!dedibox.gegeweb.org!gegeweb.eu!nntpfeed.proxad.net!proxad.net!feeder1-2.proxad.net!usenet-fr.net!nerim.net!novso.com!newsfeed.xs4all.nl!newsfeed2.news.xs4all.nl!xs4all!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 0.000 X-Spam-Evidence: '*H*': 1.00; '*S*': 0.00; 'subject:: [': 0.03; 'broken': 0.03; 'subject:Python': 0.05; 'method,': 0.07; 'api': 0.09; 'abstraction': 0.09; 'collections': 0.09; 'defined.': 0.09; 'integers': 0.09; 'operator,': 0.09; 'sure,': 0.09; 'thread,': 0.09; 'component': 0.15; 'passing': 0.15; '"every': 0.16; '*next*': 0.16; 'collections.': 0.16; 'comparison.': 0.16; 'janssen': 0.16; 'operator.': 0.16; 'pipes': 0.16; 'simplified': 0.16; 'stop.': 0.16; 'subject:ideas': 0.16; 'mon,': 0.16; 'wrote:': 0.17; 'integer': 0.17; 'pieces': 0.17; 'shell': 0.18; '>>>': 0.18; 'subject:] ': 0.19; 'define': 0.20; 'putting': 0.20; 'trying': 0.21; 'do.': 0.21; 'noted': 0.22; 'simpler': 0.22; 'split': 0.23; 'seems': 0.23; 'random': 0.24; 'header:In-Reply- To:1': 0.25; 'creating': 0.26; 'common': 0.26; 'continuing': 0.27; '(such': 0.27; 'message-id:@mail.gmail.com': 0.27; 'all.': 0.28; 'run': 0.28; 'post': 0.28; 'feature,': 0.29; 'yes.': 0.29; 'url:mailman': 0.29; 'integration': 0.29; 'objects': 0.29; 'probably': 0.29; "i'm": 0.29; 'point': 0.31; 'url:python': 0.32; 'could': 0.32; 'url:listinfo': 0.32; 'point,': 0.33; 'right?': 0.33; 'problem': 0.33; 'to:addr:python-list': 0.33; 'languages': 0.33; 'another': 0.33; 'received:google.com': 0.34; 'data,': 0.35; 'replaced': 0.35; 'pm,': 0.35; 'received:209.85': 0.35; 'something': 0.35; 'there': 0.35; 'add': 0.36; 'but': 0.36; 'url:org': 0.36; 'functional': 0.36; 'smaller': 0.36; 'method': 0.36; 'should': 0.36; 'why': 0.37; 'received:209': 0.37; 'data': 0.37; 'mark': 0.38; 'object': 0.38; 'some': 0.38; 'things': 0.38; 'instead': 0.39; 'to:addr:python.org': 0.39; 'where': 0.40; 'subject:-': 0.40; 'url:mail': 0.40; 'your': 0.60; 'most': 0.61; "you've": 0.61; 'internet,': 0.61; 'kind': 0.61; 'more': 0.63; 'great': 0.64; 'behaviors': 0.71; 'gain': 0.79; '2013': 0.84; 'interaction.': 0.84; 'magical': 0.93 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=x-received:mime-version:x-received:in-reply-to:references:date :message-id:subject:from:to:content-type:x-gm-message-state; bh=pKgmOVWMh52nxpVDO0ViKmGF2gKhGfzO8u4j+vGtX9M=; b=OvJpKhqEnpOwa+PxAIW4ztr3Ae1pS3tbNp5mvS8nbb59kSf3xURg5xT9uS6tLqtjOL PHIrT9Key/C71cPLiScXdQzp9RSs1FX8k1VnYQx5bs7R16ex7l1Qeq9CkDx7WRd7SVjP cai4f+q9g7WyxCcA2h629Ah0P3OP/UPKFQQKnmZMFWvUUPHVsfK9LBBwj7XWJcFLgGsz w/ZYI/eSf82abRHJ1NoHLw9/KKqgDFw1QfrbqgZ8tLMec4wMynTJP6c7S8ZP0w2eL0wX 5f3Kxg8/pX2oAdqvqxCWIfMaAZonORLauOAL/MH1s1uNJH2ekgllQCAOQPAoccSv3lR5 q2UQ== X-Received: by 10.60.28.2 with SMTP id x2mr7413815oeg.65.1363638841580; Mon, 18 Mar 2013 13:34:01 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.60.28.2 with SMTP id x2mr7413812oeg.65.1363638841500; Mon, 18 Mar 2013 13:34:01 -0700 (PDT) In-Reply-To: References: Date: Mon, 18 Mar 2013 13:34:01 -0700 Subject: Re: [Python-ideas] Message passing syntax for objects From: Benjamin Kaplan To: python-list@python.org Content-Type: text/plain; charset=UTF-8 X-Gm-Message-State: ALoCoQluoF4WKcEy4QrqxgjjlOeDQ7EwGByHwteVC5jRbhdL7vm1Tt9fV7b/qv6xqUYP/nS3dQ3ArFRb1U1cp18RwovayoquosmHeLXGmBkJ30ome2TTWwLKHMtNXhx1b1RA9x2xWjhbrtzMVJhq9HRH2mlVEB9+1g== X-Junkmail-Whitelist: YES (by domain whitelist at mpv2.tis.cwru.edu) 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: 55 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1363638846 news.xs4all.nl 6982 [2001:888:2000:d::a6]:40672 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:41458 On Mon, Mar 18, 2013 at 1:24 PM, Mark Janssen wrote: > On Mon, Mar 18, 2013 at 12:06 PM, Georg Brandl wrote: >> Am 18.03.2013 05:26, schrieb Mark Janssen: >>> Continuing on this thread, there would be a new bunch of behaviors to >>> be defined. Since "everything is an object", there can now be a >>> standard way to define the *next* common abstraction of "every object >>> interacts with other objects". >> >> The problem is that for most objects there isn't *the* interaction. Sure, >> you could split up complicated objects into small pieces with a smaller >> functionality, but at some point you have to stop. > > Yes. But that is the point, if you look at the quora post -- to > invert the object model and create mashups of simple modular data > types and working *upwards*. > >> Let's see how this >> concept fares with simple types such as integers or collections... >> >>>>>> 42 >> MyNumberType #would add the integer to your integer type >> >> That's just random. Why not multiply? Why not exponentiate? > > Well, as I noted in another post, that while these can be broken down > into their simpler component (addition and negative numbers), numbers > should probably be treated separately. > >>>>>> 42 >> MyCollectionType #would add the object into your collection: >>> *poof*: no more random syntaxiis for putting things in collections.\ >> >> So you've replaced one method of a collections API by your magical operator, >> for all collections. > > Yes -- for all collections. That's a pretty big gain right? > Nope. No gain at all. Instead of learning the add() method, you learn the >> operator. You have not simplified anything. >> It seems that you are reinventing pipes (such as UNIX shell pipes). > > That is a very interesting comparison. That is something like what > I'm trying to do. In tandem with the Internet, I do see a kind of > synthesis of Web + O.S. integration -- ultimately, creating a "data > ecosystem". > > mark Yes, having the whole program run by chaining functions together is a neat idea. And it works great in functional languages- if you want that as a feature, use OCaml or Haskell. It works less well in imperative languages where you are manipulating data, not just passing it around. > -- > http://mail.python.org/mailman/listinfo/python-list