Re: Two nested classes are tied together.

From	red floyd <no.spam.here@its.invalid>
Newsgroups	comp.lang.c++
Subject	Re: Two nested classes are tied together.
Date	2011-08-15 10:11 -0700
Organization	A noiseless patient Spider
Message-ID	<j2bk04$gco$1@dont-email.me> (permalink)
References	<04e11031-43ec-4fe3-a5e3-3f314332e350@p5g2000vbl.googlegroups.com> <Xns9F3F66EDD3056myfirstnameosapriee@216.196.109.131> <j23f71$9f3$1@dont-email.me> <Xns9F42450D9381Cmyfirstnameosapriee@216.196.109.131>

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On 8/14/2011 8:47 PM, Paavo Helde wrote:
> red floyd<no.spam.here@its.invalid>  wrote in news:j23f71$9f3$1@dont-
> email.me:
>
>> On 8/12/2011 12:07 AM, Paavo Helde wrote:
>>> Nephi Immortal<immortalnephi@gmail.com>   wrote in
>>
>>>> class Object
>>>> {
>>>> private:
>>>>        class _Proxy;
>>>
>>> Using such a name is UB, so definitely your code has undefined
> behavior
>>> ;-)
>>
>> Is it UB, or is the code simply ill-formed?
>
>  From [lib.reserved.names]:
>
> "The C + + Standard Library reserves the following kinds of names:
> [...]
> — Global names
> [...]
> If the program declares or defines a name in a context where it is
> reserved, other than as explicitly allowed by this clause, the behavior
> is undefined."

Thanks, Paavo, I didn't have my copy of the Standard available at the
time, and I couldn't remember what it said.  I just wasn't sure which
"error" condition it was considered -- UB or ill-formed.

Much obliged.

Thread

Two nested classes are tied together. Nephi Immortal <immortalnephi@gmail.com> - 2011-08-11 16:23 -0700
  Re: Two nested classes are tied together. Paavo Helde <myfirstname@osa.pri.ee> - 2011-08-12 02:07 -0500
    Re: Two nested classes are tied together. red floyd <no.spam.here@its.invalid> - 2011-08-12 08:00 -0700
      Re: Two nested classes are tied together. Paavo Helde <myfirstname@osa.pri.ee> - 2011-08-14 22:47 -0500
        Re: Two nested classes are tied together. red floyd <no.spam.here@its.invalid> - 2011-08-15 10:11 -0700
          Re: Two nested classes are tied together. Paavo Helde <myfirstname@osa.pri.ee> - 2011-08-15 13:38 -0500
    Re: Two nested classes are tied together. Nephi Immortal <immortalnephi@gmail.com> - 2011-08-12 12:16 -0700
      Re: Two nested classes are tied together. red floyd <no.spam.here@its.invalid> - 2011-08-12 13:27 -0700
        Re: Two nested classes are tied together. Nephi Immortal <immortalnephi@gmail.com> - 2011-08-12 17:21 -0700
        Re: Two nested classes are tied together. Nephi Immortal <immortalnephi@gmail.com> - 2011-08-12 17:32 -0700
          Re: Two nested classes are tied together. Ian Collins <ian-news@hotmail.com> - 2011-08-13 12:53 +1200
          Re: Two nested classes are tied together. TJorgenson <tjorgenson@infinera.com> - 2011-08-15 17:38 -0700

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