[cfe-dev] using declaration questions

[Eli Friedman]

On Wed, Jun 17, 2009 at 6:55 PM, John
Thompson<john.thompson.jtsoftware at gmail.com> wrote:
>> Oh, and we might even consider storing the list of declarations that the
>> using declaration refers to, because we need to model the semantics of
>> paragraph 11:
>>
>>        The entity declared by a using-declaration shall be known in the
>> context using it according to its definition
>> at the point of the using-declaration . Definitions added to the namespace
>> after the using-declaration are not
>> considered when a use of the name is made.
>
> I'm not sure what list of declarations is needed.  If later definitions
> appear, it seems that a look up will find the using declaration first, and
> return the refered-to declaration.  Or does this have something to do with
> overloading?

Overloading is precisely the issue: a using declaration can refer to
multiple declarations.

-Eli