Re: Namespace bug?

• Subject: Re: Namespace bug?
• From: Scott Andrew <email@hidden>
• Date: Fri, 18 Nov 2005 23:18:47 -0800
• Delivered-to: email@hidden
• Delivered-to: email@hidden

All i can say is duh. Thats what 14 hrs a day does to you.. ;-)

Scott

On Nov 18, 2005, at 10:24 PM, David Fang wrote:

Hi,
	(Answer below)

the cpp file looks like so

#include "Comments.h"

using namespace DOM;

Comments::Comments()
{
}

the error i get is the Comments can't be used without a type. Then I
get told that it conflicts with a struct in AIFF.H (we include
Carbon.h into all of our files by default. (i am working on a carbon
project/Cocoa mixed project).

However if  change my .cpp file to be....

DOM::Comments::Comments()
{
}

.. and add DOM:: to function declarations all is fine. Shouldn't the
compiler recognize i am in a new namespace or do i have to qualify
the declarations because of a global Comments?

That's not quite the way namespaces work.  When you declare/define
something it has to be *in* the namespace either by:
	Namespace::Class::Member(...)
or
	namespace Namespace {
		Class::Member(...) { ... }
	}

using declarations are for *looking up* references in other namespaces.
You can just write

namespace DOM {
	Comments::Comments() ...
}

David Fang

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