Groups | Search | Server Info | Keyboard shortcuts | Login | Register [http] [https] [nntp] [nntps]


Groups > comp.lang.c++ > #7185

Re: Anonymous namespace

From Ruben Safir <ruben@mrbrklyn.com>
Newsgroups comp.lang.c++
Subject Re: Anonymous namespace
Date 2011-06-27 16:34 +0000
Organization PANIX Public Access Internet and UNIX, NYC
Message-ID <iuabfe$iqo$1@reader1.panix.com> (permalink)
References (3 earlier) <slrniv1bef.gtj.grahn+nntp@frailea.sa.invalid> <iss5it$fjr$2@reader1.panix.com> <slrniv4ogh.gtj.grahn+nntp@frailea.sa.invalid> <it45ki$ioc$7@reader1.panix.com> <slrnivbgoj.gtj.grahn+nntp@frailea.sa.invalid>

Show all headers | View raw


On Mon, 13 Jun 2011 07:58:12 +0000, Jorgen Grahn wrote:

> On Mon, 2011-06-13, ruben safir wrote:
>> On Fri, 10 Jun 2011 18:27:29 +0000, Jorgen Grahn wrote:
>>
>>> On Fri, 2011-06-10, Ruben Safir wrote:
>>>> On Thu, 09 Jun 2011 11:26:08 +0000, Jorgen Grahn wrote:
>>>>
>>>>
>>>>>>> namespace unique {} using namespace unique; namespace unique { ...
>>>>>>> }
>>>>>>
>>>>>> ugg - back to the namespace syntax chapter...
>>>>> 
>>>>> If you *do* have a book,
>>>>
>>>>
>>>> Jorgen, do you think I have any C++ references and do you think I
>>>> read them.
>>> 
>>> If you had mentioned that you've read book X but still don't
>>> understand anonymous namespace because of Y, then I wouldn't have
>>> complained.
>>> 
>>> 
>> I'm partly sympathetic to that point.  Your obviously not sitting in my
>> chair and you don't really know what I have and haven't read.  But I'd
>> think that after all those previous posts, you'd have the gist that I'm
>> pouring over several texts.
> 
> No, I had missed that. I knew I had read other postings by you, but
> didn't remember what they were about.
> 
> ...
>> Trying to solve the problem of namespace polution by adding a 100,000
>> extra keystroke, to me is pointless...but that is another issue.  I
>> have to deal with what C++ is, not what I want it to be.
> 
> I think of namespaces (user-defined, non-anonymous) this way:
> 
>   I want the freedom to name things in a straightforward way without
>   risking clashes with other people's stuff. I don't want to call some
>   sorting function reorder() just because the standard library used up
>   the name sort().  And I want the same freedom from conflicts /between/
>   subsystems of my own program.
>   
>   So I invent the convention of prefixing everything: like my_sort(),
>   foo_subsystem_sort(), ...
>   
>   Namespaces provide a standard way of doing that (my::sort()), and
>   since it's part of the language it can be smart and not demand the
>   prefix in contexts where it's /obvious/ which one I mean. And it lets
>   me manually specify things like "in this context I mean my::sort()".
>   
>   So, compared to the manual alternative, you /save/ typing. /If/ you
>   want to solve the naming problem, that is.
> 
> That's not the only way to think of it, but I find it helpful.
> 
>> (at least it is not tcl)
> 
> Damning with faint praise, are we? ;-)
> 
> /Jorgen


So there is one thing I'm still not understanding.  If something is 
declared in a anonymous namespace, how is it accessed in main?

Ruben

Back to comp.lang.c++ | Previous | NextPrevious in thread | Next in thread | Find similar | Unroll thread


Thread

Anonymous namespace ruben safir <ruben@mrbrklyn.com> - 2011-06-02 21:53 -0400
  Re: Anonymous namespace Pete Becker <pete@versatilecoding.com> - 2011-06-02 16:00 -1000
  Re: Anonymous namespace ruben safir <ruben@mrbrklyn.com> - 2011-06-02 22:40 -0400
    Re: Anonymous namespace ruben safir <ruben@mrbrklyn.com> - 2011-06-03 02:29 -0400
      Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-03 20:12 +1200
        Re: Anonymous namespace Ruben Safir <mrbrklyn@panix.com> - 2011-06-04 02:40 +0000
          Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-04 15:40 +1200
            Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 04:56 +0000
              Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-04 17:19 +1200
                Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 05:37 +0000
                Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-04 17:40 +1200
        Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 05:05 +0000
          Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-04 17:31 +1200
            Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 05:42 +0000
      Re: Anonymous namespace Öö Tiib <ootiib@hot.ee> - 2011-06-03 06:08 -0700
        Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 05:09 +0000
          Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-04 17:32 +1200
            Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 05:39 +0000
              Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-04 17:45 +1200
    Re: Anonymous namespace gwowen <gwowen@gmail.com> - 2011-06-03 01:08 -0700
      Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-03 20:17 +1200
        Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 05:08 +0000
      Re: Anonymous namespace Victor Bazarov <v.bazarov@comcast.invalid> - 2011-06-03 09:44 -0400
        Re: Anonymous namespace Ruben Safir <mrbrklyn@panix.com> - 2011-06-04 02:44 +0000
        Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-04 15:57 +1200
        Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 05:14 +0000
          Re: Anonymous namespace "Bo Persson" <bop@gmb.dk> - 2011-06-04 11:33 +0200
  Re: Anonymous namespace Michael Doubez <michael.doubez@free.fr> - 2011-06-03 03:10 -0700
    Re: Anonymous namespace Ruben Safir <mrbrklyn@panix.com> - 2011-06-04 02:48 +0000
      Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-04 16:01 +1200
        Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 05:16 +0000
          Re: Anonymous namespace Ian Collins <ian-news@hotmail.com> - 2011-06-04 17:34 +1200
  Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-04 05:01 +0000
    Re: Anonymous namespace Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-06-09 11:26 +0000
      Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-10 04:12 +0000
        Re: Anonymous namespace Michael Doubez <michael.doubez@free.fr> - 2011-06-10 01:49 -0700
          Re: Anonymous namespace mrbrklyn <ceo.brooklyn@gmail.com> - 2011-06-10 10:34 -0700
          Re: Anonymous namespace mrbrklyn <ceo.brooklyn@gmail.com> - 2011-06-10 10:45 -0700
            Re: Anonymous namespace Michael Doubez <michael.doubez@free.fr> - 2011-06-12 00:01 -0700
              Re: Anonymous namespace ruben safir <ruben@mrbrklyn.com> - 2011-06-13 04:08 +0000
                Re: Anonymous namespace Michael Doubez <michael.doubez@free.fr> - 2011-06-13 08:43 -0700
        Re: Anonymous namespace Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-06-10 18:27 +0000
          Re: Anonymous namespace ruben safir <ruben@mrbrklyn.com> - 2011-06-13 05:02 +0000
            Re: Anonymous namespace Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-06-13 07:58 +0000
              Re: "namespaces were a mistake" (was: Anonymous namespace) Öö Tiib <ootiib@hot.ee> - 2011-06-13 09:56 -0700
              Re: "namespaces were a mistake" (was: Anonymous namespace) Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-06-13 19:52 +0000
                Re: "namespaces were a mistake" Miles Bader <miles@gnu.org> - 2011-06-14 13:43 +0900
                Re: "namespaces were a mistake" Miles Bader <miles@gnu.org> - 2011-06-15 07:15 +0900
                Re: "namespaces were a mistake" Jorgen Grahn <grahn+nntp@snipabacken.se> - 2011-06-15 12:01 +0000
                Re: "namespaces were a mistake" (was: Anonymous namespace) drew@furrfu.invalid (Drew Lawson) - 2011-06-14 12:24 +0000
                Re: "namespaces were a mistake" (was: Anonymous namespace) gwowen <gwowen@gmail.com> - 2011-06-14 06:00 -0700
                Re: "namespaces were a mistake" (was: Anonymous namespace) Joshua Maurice <joshuamaurice@gmail.com> - 2011-06-14 14:10 -0700
                Re: "namespaces were a mistake" Miles Bader <miles@gnu.org> - 2011-06-15 06:30 +0900
              Re: Anonymous namespace Ruben Safir <ruben@mrbrklyn.com> - 2011-06-27 16:34 +0000
                Re: Anonymous namespace Victor Bazarov <v.bazarov@comcast.invalid> - 2011-06-27 14:29 -0400

csiph-web