From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on polar.synack.me X-Spam-Level: X-Spam-Status: No, score=-1.3 required=5.0 tests=BAYES_00,HEADER_SPAM autolearn=no autolearn_force=no version=3.4.4 X-Google-Language: ENGLISH,ASCII-7-bit X-Google-Thread: fc772,b30bd69fa8f63cb2 X-Google-Attributes: gidfc772,public X-Google-Thread: 103376,b30bd69fa8f63cb2 X-Google-Attributes: gid103376,public X-Google-ArrivalTime: 2003-06-14 03:13:08 PST Path: archiver1.google.com!news1.google.com!newsfeed.stanford.edu!logbridge.uoregon.edu!uwm.edu!rpi!not-for-mail From: "Andrei Alexandrescu" Newsgroups: comp.lang.ada,comp.lang.c++.moderated Subject: Re: C bug of the day Date: 14 Jun 2003 06:15:20 -0400 Organization: unknown Sender: cppmods@netlab.cs.rpi.edu Message-ID: References: <1054751321.434656@master.nyc.kbcfp.com> NNTP-Posting-Host: netlab.cs.rpi.edu X-Original-Date: Fri, 13 Jun 2003 14:05:07 -0700 X-Submission-Address: c++-submit@netlab.cs.rpi.edu X-Auth: PGPMoose V1.1 PGP comp.lang.c++.moderated iQBVAwUAPur1tEHMCo9UcraBAQFoVAH/VxaFzjGR2xxKchq3j1zmUACNMHDULKFZ 6EUUwx4lKkjQhib6Ryp83epN30hUawdY6HMey5+F0ojhseFp3VNFLg== =EVsG Xref: archiver1.google.com comp.lang.ada:39165 comp.lang.c++.moderated:68345 Date: 2003-06-14T06:15:20-04:00 List-Id: "James Rogers" wrote in message news:Xns9398BD1E07E3Ejimmaureenrogers@204.127.36.1... > "Andrei Alexandrescu" wrote in > news:bc9h7j$gm42t$1@ID-14036.news.dfncis.de: > > > I was mentioning that just to mention a simple language design decision > > that's a no-brainer to implement, yet which imho has a great impact > > because > > of the psychological issue you mentioned. The others are also important, > > but > > not as trivial to implement and support without making performance > > tradeoffs. > > I am sorry. I misunderstood. I thought you were being sarcastic. Must be my fame of being cranky :o). > If your suggestion was adopted, how would it affect existing > programs? For that matter, why would you ever *want* uninitialized > variables? Another way to ask that is when is initialization a bad > thing? Multiple/big return values are an example; you pass a value by reference to a function, and there's an implied contract that the function will fill the value. If the value is an array, it might become inefficient to initialize the array for no reason. Andrei [ Send an empty e-mail to c++-help@netlab.cs.rpi.edu for info ] [ about comp.lang.c++.moderated. First time posters: do this! ]