MESSAGE
| DATE | 2011-06-05 |
| FROM | Ruben Safir
|
| SUBJECT | Subject: [NYLXS - HANGOUT] (fwd) Re: Anonymous namespace
|
From owner-hangout-outgoing-at-mrbrklyn.com Sun Jun 5 00:27:27 2011
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From: Ruben Safir
To: hangout-at-nylxs.com
Subject: [NYLXS - HANGOUT] (fwd) Re: Anonymous namespace
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From: Ruben Safir
Newsgroups: comp.lang.c++
Subject: Re: Anonymous namespace
Date: Sat, 4 Jun 2011 02:40:16 +0000 (UTC)
Organization: PANIX Public Access Internet and UNIX, NYC
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Xref: panix comp.lang.c++:1085996
Ian Collins wrote:
> On 06/ 3/11 06:29 PM, ruben safir wrote:
>> On 06/02/2011 10:54 PM, Stefan Ram wrote:
>>>>> What is the point of the anonymous namespace.
>>> Names can be hidden from the linker (from other translation
>>> units), even if they should have external linkage.
>>
>> please expand?
>
> One way to look at the anonymous namespace is to consider it a namespace
> with a cryptic name. That name is only known within the current
> compilation unit. Thus anything declared within the namespace can't
> been seen elsewhere because the namespace name is unknown.
>
> So I could write
>
> namespace { int n; }
>
> and n would only be visible within the current compilation unit whereas
>
> int n;
>
> would be globally visible.
>
so the annonymous name space must be in the same file as main?
Ruben
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