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Groups > comp.lang.c > #19267

Re: What about namespaces ?

From Ian Collins <ian-news@hotmail.com>
Newsgroups comp.lang.c
Subject Re: What about namespaces ?
Date 2012-04-03 22:29 +1200
Message-ID <9u01ojF77mU2@mid.individual.net> (permalink)
References <jleflk$kv0$1@speranza.aioe.org> <jleiu0$166$1@dont-email.me>

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On 04/ 3/12 10:20 PM, BartC wrote:
> "Rui Maciel"<rui.maciel@gmail.com>  wrote in message
> news:jleflk$kv0$1@speranza.aioe.org...
>
>> This problem isn't particularly hard to avoid.  A simple policy based on
>> adding a descriptive prefix to the identifier name tends to be enough for
>> most cases.
> ....
>> So, with this in mind, what are your thoughts on the idea of introducing
>> namespaces to the C programming language?  Would it be a bad idea?
>
> Does it really need anything more than allowing "##" (or equivalent) to be
> used outside of macros? Then it is possible to replace a long prefix with a
> short one. It will do roughly the same job as "::" or ".".

Namespaces (in the C++ sense) need a lot more.  A C++ namespace is a 
scope, not just a text prefix.  So adding them to C would require at 
lest one (and probably two with "using") new keywords, basic name 
mangling and significant parser changes.  All most unlikely.

-- 
Ian Collins

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Thread

What about namespaces ? Rui Maciel <rui.maciel@gmail.com> - 2012-04-03 10:25 +0100
  Re: What about namespaces ? "BartC" <bc@freeuk.com> - 2012-04-03 11:20 +0100
    Re: What about namespaces ? Ian Collins <ian-news@hotmail.com> - 2012-04-03 22:29 +1200
      Re: What about namespaces ? "BartC" <bc@freeuk.com> - 2012-04-03 12:38 +0100
    Re: What about namespaces ? Keith Thompson <kst-u@mib.org> - 2012-04-03 12:19 -0700
      Re: What about namespaces ? "BartC" <bc@freeuk.com> - 2012-04-03 20:57 +0100
  Re: What about namespaces ? gordonb.9sh3w@burditt.org (Gordon Burditt) - 2012-04-03 06:23 -0500
    Re: What about namespaces ? Rui Maciel <rui.maciel@gmail.com> - 2012-04-03 19:54 +0100
      Re: What about namespaces ? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-04-03 12:18 -0700
        Re: What about namespaces ? jgharston <jgh@arcade.demon.co.uk> - 2012-04-03 13:09 -0700
    Re: What about namespaces ? Rui Maciel <rui.maciel@gmail.com> - 2012-04-03 19:54 +0100
    Re: What about namespaces ? Rui Maciel <rui.maciel@gmail.com> - 2012-04-03 19:54 +0100
  Re: What about namespaces ? 88888 Dihedral <dihedral88888@googlemail.com> - 2012-04-03 06:49 -0700
  Re: What about namespaces ? Robert Wessel <robertwessel2@yahoo.com> - 2012-04-03 11:10 -0500
    Re: What about namespaces ? Rui Maciel <rui.maciel@gmail.com> - 2012-04-03 20:12 +0100
    Re: What about namespaces ? Ian Collins <ian-news@hotmail.com> - 2012-04-04 07:20 +1200
  Re: What about namespaces ? Fritz Wuehler <fritz@spamexpire-201204.rodent.frell.theremailer.net> - 2012-04-03 20:58 +0200
    Re: What about namespaces ? Rui Maciel <rui.maciel@gmail.com> - 2012-04-03 21:05 +0100
      Re: What about namespaces ? "BartC" <bc@freeuk.com> - 2012-04-03 21:33 +0100
  Re: What about namespaces ? William Ahern <william@wilbur.25thandClement.com> - 2012-04-03 12:05 -0700
    Re: What about namespaces ? James Kuyper <jameskuyper@verizon.net> - 2012-04-03 15:50 -0400
    Re: What about namespaces ? Rui Maciel <rui.maciel@gmail.com> - 2012-04-03 21:27 +0100
      Re: What about namespaces ? Malcolm McLean <malcolm.mclean5@btinternet.com> - 2012-04-03 14:40 -0700
    Re: What about namespaces ? jgk@panix.com (Joe keane) - 2012-04-11 20:56 +0000
      Re: What about namespaces ? Ben Pfaff <blp@cs.stanford.edu> - 2012-04-11 14:46 -0700
        Re: What about namespaces ? jgk@panix.com (Joe keane) - 2012-04-11 23:03 +0000
        Re: What about namespaces ? jgk@panix.com (Joe keane) - 2012-04-13 00:40 +0000
          Re: What about namespaces ? Keith Thompson <kst-u@mib.org> - 2012-04-12 18:56 -0700
            Re: What about namespaces ? "BartC" <bc@freeuk.com> - 2012-04-13 13:20 +0100
              Re: What about namespaces ? Keith Thompson <kst-u@mib.org> - 2012-04-13 13:43 -0700
            Re: What about namespaces ? jgk@panix.com (Joe keane) - 2012-04-15 16:46 +0000
              Re: What about namespaces ? Martin Ambuhl <mambuhl@earthlink.net> - 2012-04-21 04:38 -0400
                Re: What about namespaces ? "BartC" <bc@freeuk.com> - 2012-04-21 16:44 +0100
      Re: What about namespaces ? "BartC" <bc@freeuk.com> - 2012-04-11 23:01 +0100
        Re: What about namespaces ? jgk@panix.com (Joe keane) - 2012-04-13 21:04 +0000
      Re: What about namespaces ? lawrence.jones@siemens.com - 2012-04-11 22:09 -0400
        Re: What about namespaces ? Nomen Nescio <nobody@dizum.com> - 2012-04-12 10:55 +0200
  Re: What about namespaces ? Rui Maciel <rui.maciel@gmail.com> - 2012-04-04 00:17 +0100
    Re: What about namespaces ? William Ahern <william@wilbur.25thandClement.com> - 2012-04-03 16:44 -0700
      Re: What about namespaces ? nick_keighley_nospam@hotmail.com - 2012-04-04 00:49 -0700
  Re: What about namespaces ? Ian Collins <ian-news@hotmail.com> - 2012-04-04 14:54 +1200
    Re: What about namespaces ? Ian Collins <ian-news@hotmail.com> - 2012-04-04 15:43 +1200
      Re: What about namespaces ? Ian Collins <ian-news@hotmail.com> - 2012-04-04 16:06 +1200
  Re: What about namespaces ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-04-04 04:37 +0100
    Re: What about namespaces ? Kaz Kylheku <kaz@kylheku.com> - 2012-04-04 18:43 +0000
      Re: What about namespaces ? Ben Bacarisse <ben.usenet@bsb.me.uk> - 2012-04-05 01:43 +0100
  Re: What about namespaces ? "io_x" <a@b.c.invalid> - 2012-04-04 09:32 +0200
  Re: What about namespaces ? Tim Rentsch <txr@alumni.caltech.edu> - 2012-04-05 11:22 -0700
    Re: What about namespaces ? Rui Maciel <rui.maciel@gmail.com> - 2012-04-05 21:04 +0100
    Re: What about namespaces ? Kaz Kylheku <kaz@kylheku.com> - 2012-04-06 01:10 +0000

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