Path: csiph.com!usenet.pasdenom.info!gegeweb.org!de-l.enfer-du-nord.net!feeder1.enfer-du-nord.net!newsfeed.eweka.nl!eweka.nl!feeder3.eweka.nl!newsfeed.xs4all.nl!newsfeed6.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; 'output': 0.04; 'compiler': 0.05; 'debug': 0.05; 'type,': 0.07; 'from:addr:ethan': 0.09; 'from:addr:stoneleaf.us': 0.09; 'from:name:ethan furman': 0.09; 'lawrence': 0.09; 'message-id:@stoneleaf.us': 0.09; 'received:184.172': 0.09; 'received:gator410.hostgator.com': 0.09; 'terry': 0.09; '~ethan~': 0.09; 'def': 0.10; "wouldn't": 0.11; ':-)': 0.13; 'b):': 0.16; 'declaration': 0.16; 'inputs': 0.16; 'received:72.11': 0.16; 'received:72.11.125': 0.16; 'received:72.11.125.166': 0.16; 'received:gateway13.websitewelcome.com': 0.16; 'reedy': 0.16; 'silly': 0.16; 'unittests': 0.16; 'wrote:': 0.17; 'processor': 0.17; '>>>': 0.18; 'meant': 0.21; 'header:In-Reply-To:1': 0.25; 'header:User-Agent:1': 0.26; 'am,': 0.27; 'checking': 0.27; 'restrict': 0.27; '>>>>': 0.29; 'declared': 0.29; "i'm": 0.29; "skip:' 10": 0.30; 'usually': 0.30; 'function': 0.30; 'code': 0.31; '(and': 0.32; 'surely': 0.33; 'to:addr:python-list': 0.33; 'quite': 0.37; 'subject:: ': 0.38; 'mark': 0.38; 'easier': 0.38; 'sure': 0.38; 'to:addr:python.org': 0.39; 'where': 0.40; 'header:Received:5': 0.40; 'your': 0.60; 'subject:, ': 0.61; 'strange': 0.62; 'it!': 0.64; 'limited.': 0.64; 'making': 0.64; 'received:67.18': 0.65; "'if": 0.84; 'furman': 0.84; 'ethan': 0.91; 'kat': 0.91; 'subject:skip:E 10': 0.95 Date: Tue, 17 Jul 2012 11:43:57 -0700 From: Ethan Furman User-Agent: Thunderbird 1.5.0.10 (Windows/20070221) MIME-Version: 1.0 To: python-list@python.org Subject: Re: Encapsulation, inheritance and polymorphism References: <3vnfd9-343.ln1@satorlaser.homedns.org> <-8SdnVrXGqie25jNnZ2dnUVZ7qKdnZ2d@bt.com> <5005A103.9050802@stoneleaf.us> In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - gator410.hostgator.com X-AntiAbuse: Original Domain - python.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - stoneleaf.us X-BWhitelist: no X-Source: X-Source-Args: X-Source-Dir: X-Source-Sender: ([192.168.10.136]) [72.11.125.166]:3493 X-Source-Auth: ethan+stoneleaf.us X-Email-Count: 1 X-Source-Cap: dG9idWs7dG9idWs7Z2F0b3I0MTAuaG9zdGdhdG9yLmNvbQ== X-BeenThere: python-list@python.org X-Mailman-Version: 2.1.12 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: 29 NNTP-Posting-Host: 2001:888:2000:d::a6 X-Trace: 1342550172 news.xs4all.nl 6883 [2001:888:2000:d::a6]:38662 X-Complaints-To: abuse@xs4all.nl Xref: csiph.com comp.lang.python:25531 Mark Lawrence wrote: > On 17/07/2012 18:29, Ethan Furman wrote: >> Terry Reedy wrote: >>> On 7/17/2012 10:23 AM, Lipska the Kat wrote: >>> >>>> Well 'type-bondage' is a strange way of thinking about compile time >>>> type >>>> checking and making code easier to read (and therefor debug >>> >>> 'type-bondage' is the requirement to restrict function inputs and >>> output to one declared type, where the type declaration mechanisms are >>> usually quite limited. >>> >>> >>> def max(a, b): >>> if a <= b: return a >>> return b >> >> >> Surely you meant 'if a >= b: . . .' >> >> No worries, I'm sure your unittests would have caught it. ;) >> >> ~Ethan~ > > Wouldn't the compiler have caught it before the unittests? :-) Silly me, the word processor would have caught it! ~Ethan~