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From: Hyman Rosen <hyrosen@mail.com>
Subject: Re: What's wrong with C++?
Date: Wed, 16 Feb 2011 12:58:48 -0500
Date: 2011-02-16T12:58:48-05:00	[thread overview]
Message-ID: <4d5c105a$0$32660$882e7ee2@usenet-news.net> (raw)
In-Reply-To: <1ee1a434-4048-48f6-9f5e-d8126bebb808@r19g2000prm.googlegroups.com>

On 2/16/2011 12:37 PM, KK6GM wrote:
> This is a serious question, seeking objective information.

Don't you think it would be better to ask in a C++ newsgroup?

But to start the ball rolling, I'd say the worst problem is its
syntax. Since its standard library uses templates extensively,
code can become littered with very difficult to read types.
(This is being addressed in the next revision of the standard.)

There are also actual syntactic ambiguities where a construct
can be parsed in two ways and the correct one can be chosen only
by fiat from the standard.

E.g., in the following, what is the type of X?

     struct s { s(int) { } };
     extern double d;
     int main() { s X(int(d)); }

A second problem is that C++ leaves the order of evaluation of
subexpressions in an expression undefined, unlike Java.

A third is that it has no standard support for concurrent programming,
so such work must be done in an implementation-defined and non-portable
manner.



  reply	other threads:[~2011-02-16 17:58 UTC|newest]

Thread overview: 155+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-16 17:37 What's wrong with C++? KK6GM
2011-02-16 17:58 ` Hyman Rosen [this message]
2011-02-16 18:18   ` KK6GM
2011-02-16 20:25     ` Chris Moore
2011-02-20  4:47       ` Chuck
2011-02-20  4:45     ` Chuck
2011-02-16 19:35   ` Robert A Duff
2011-02-16 20:32     ` Hyman Rosen
2011-02-16 23:31     ` Georg Bauhaus
2011-02-16 20:03   ` Fritz Wuehler
2011-02-16 20:09     ` Hyman Rosen
2011-02-17 17:39     ` Paul Colin Gloster
2011-03-01 15:52       ` Martin Krischik
2011-02-16 23:27   ` Peter C. Chapin
2011-02-16 18:32 ` Pascal Obry
2011-02-16 19:09   ` Hyman Rosen
2011-02-16 19:36     ` KK6GM
2011-02-16 20:07       ` Hyman Rosen
2011-02-17 18:48         ` Yannick Duchêne (Hibou57)
2011-02-17 18:53           ` Ludovic Brenta
2011-02-17 19:14             ` Yannick Duchêne (Hibou57)
2011-02-17 19:38             ` Hyman Rosen
2011-02-17 19:55               ` Ludovic Brenta
2011-02-17 20:11                 ` Hyman Rosen
2011-02-17 20:51                   ` Ludovic Brenta
2011-02-17 21:03                     ` Hyman Rosen
2011-02-17 21:32                       ` Ludovic Brenta
2011-02-17 21:45                         ` Hyman Rosen
2011-02-17 21:07                 ` Jeffrey Carter
2011-02-17 20:32               ` Yannick Duchêne (Hibou57)
2011-02-17 20:37                 ` Hyman Rosen
2011-02-17 22:54               ` J-P. Rosen
2011-02-17 23:02                 ` Hyman Rosen
2011-02-17 23:03                 ` Hyman Rosen
2011-02-17 23:17                   ` J-P. Rosen
2011-02-17 23:27                     ` Hyman Rosen
2011-02-18  6:56                       ` J-P. Rosen
2011-02-18 19:58                       ` Edward Fish
2011-02-18 20:04                         ` Hyman Rosen
2011-02-18 20:10                           ` Edward Fish
2011-02-18 20:27                             ` Hyman Rosen
2011-02-18 22:00                               ` Edward Fish
2011-02-17 19:34           ` Hyman Rosen
2011-02-16 20:49   ` Nasser M. Abbasi
2011-02-16 21:12     ` Hyman Rosen
2011-02-16 23:07       ` J-P. Rosen
2011-02-16 23:23         ` Hyman Rosen
2011-02-17 20:51         ` Yannick Duchêne (Hibou57)
2011-02-17 20:57           ` Hyman Rosen
2011-02-16 23:35       ` Peter C. Chapin
2011-02-17  3:35         ` Shark8
2011-02-17 20:54           ` Yannick Duchêne (Hibou57)
2011-02-17 22:19             ` Shark8
2011-02-17 11:04         ` J-P. Rosen
2011-02-17 11:52           ` Georg Bauhaus
2011-02-17 14:30             ` J-P. Rosen
2011-02-17 16:29               ` Hyman Rosen
2011-02-17 17:32                 ` Peter C. Chapin
2011-02-18  6:54                   ` Chuck
2011-02-17 21:04                 ` Yannick Duchêne (Hibou57)
2011-02-18  7:02                   ` Chuck
2011-02-17 22:50                 ` J-P. Rosen
2011-02-17 23:00                   ` Hyman Rosen
2011-02-17 23:08                     ` J-P. Rosen
2011-02-19 15:24                     ` Marco
2011-02-19 16:39                       ` Frank J. Lhota
2011-02-19 19:51                         ` Nasser M. Abbasi
2011-02-19 22:36                           ` Anonymous
2011-02-19 22:45                             ` Nasser M. Abbasi
2011-02-20  0:55                               ` Nomen Nescio
2011-02-20  1:51                                 ` Nasser M. Abbasi
2011-02-20  9:49                                   ` Vinzent Hoefler
2011-02-18  7:07                   ` Chuck
2011-02-17 21:00             ` Yannick Duchêne (Hibou57)
2011-02-17 22:55               ` Georg Bauhaus
2011-02-18  3:09                 ` Yannick Duchêne (Hibou57)
2011-02-18  9:37                   ` Georg Bauhaus
2011-02-18 11:34             ` richard
2011-02-18 11:56               ` Georg Bauhaus
2011-02-18 13:26                 ` richard
2011-02-18 14:15                   ` Georg Bauhaus
2011-02-17 20:58           ` Yannick Duchêne (Hibou57)
2011-02-18  7:11             ` Chuck
2011-02-18 17:17               ` Paul Colin Gloster
2011-02-20  4:35                 ` Chuck
2011-02-18  7:16         ` Chuck
2011-02-18  7:27         ` Chuck
2011-02-18  7:28         ` Chuck
2011-02-17  3:41 ` Mike Sieweke
2011-02-17 13:31   ` Peter C. Chapin
2011-02-18  5:15     ` Mike Sieweke
2011-02-18  6:41       ` Chuck
2011-02-18  6:39     ` Chuck
2011-02-17 15:30   ` Hyman Rosen
2011-02-17 17:31     ` Martin
2011-02-17 19:12     ` Yannick Duchêne (Hibou57)
2011-02-17 18:51   ` Yannick Duchêne (Hibou57)
2011-02-18  6:45     ` Chuck
2011-02-18  6:38   ` Chuck
2011-02-17  8:31 ` Ludovic Brenta
2011-02-17  9:02   ` Dmitry A. Kazakov
2011-02-17 13:38     ` Peter C. Chapin
2011-02-17 16:12       ` Dmitry A. Kazakov
2011-02-17 16:25         ` Hyman Rosen
2011-02-17 17:46           ` Georg Bauhaus
2011-02-17 18:09             ` Hyman Rosen
2011-02-18  5:59               ` Chuck
2011-02-17 18:22           ` Dmitry A. Kazakov
2011-02-18  6:23           ` Chuck
2011-02-17 17:27         ` Peter C. Chapin
2011-02-17 18:46           ` Dmitry A. Kazakov
2011-02-18  6:15           ` Chuck
2011-02-18 13:37             ` Peter C. Chapin
2011-02-20  4:33               ` Chuck
2011-02-17 19:29         ` Yannick Duchêne (Hibou57)
2011-02-18  9:17           ` Dmitry A. Kazakov
2011-02-17 19:34         ` Yannick Duchêne (Hibou57)
2011-02-18  9:41           ` Dmitry A. Kazakov
2011-02-17 19:25       ` Yannick Duchêne (Hibou57)
2011-02-18  6:20       ` Chuck
2011-02-17 19:19     ` Yannick Duchêne (Hibou57)
2011-02-17 20:50       ` Georg Bauhaus
2011-02-17 21:08         ` Yannick Duchêne (Hibou57)
2011-02-18  0:13           ` Georg Bauhaus
2011-02-18  6:12         ` Chuck
2011-02-18  7:47           ` Yannick Duchêne (Hibou57)
2011-02-18  6:07     ` Chuck
2011-02-18 17:38       ` Paul Colin Gloster
2011-02-17 11:51 ` Ludovic Brenta
2011-02-17 20:47   ` Yannick Duchêne (Hibou57)
2011-02-20  4:41 ` Chuck
2011-02-20 10:28   ` Brian Drummond
2011-02-20 14:48   ` Britt Snodgrass
2011-10-04 20:51 ` Yannick Duchêne (Hibou57)
2011-10-04 21:00   ` Yannick Duchêne (Hibou57)
2011-10-05  1:53     ` Peter C. Chapin
2011-10-05  2:13       ` Yannick Duchêne (Hibou57)
2011-10-05  4:48         ` Jeffrey Carter
2011-10-05  6:21           ` Yannick Duchêne (Hibou57)
2011-10-05  6:39             ` Jeffrey Carter
2011-10-05  5:13         ` Niklas Holsti
2011-10-05  6:33           ` Yannick Duchêne (Hibou57)
2011-10-05  6:45             ` Jeffrey Carter
2011-10-08  1:36             ` Randy Brukardt
2011-10-08  8:39               ` Niklas Holsti
2011-10-08 23:11               ` Yannick Duchêne (Hibou57)
2011-10-06 13:19         ` Peter C. Chapin
2011-10-06 14:01           ` Hyman Rosen
2011-10-08  1:24       ` Randy Brukardt
2011-10-08 13:14         ` Peter C. Chapin
2011-10-08 17:49           ` Jeffrey Carter
2011-10-08 23:55           ` Yannick Duchêne (Hibou57)
2011-10-10 13:31             ` Paul Colin Gloster
2011-10-11  7:45               ` Yannick Duchêne (Hibou57)
2011-10-11  9:40                 ` SPARK and other provers (Was: Re: What's wrong with C++?) Phil Thornley
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