"Piet Van Vlierberghe" <pieter.vanvlierberghe@lms.be> writes:

> Is the following code correct:
>
> namespace N {
> }
>
> namespace Alias =3D N;
>
> namespace Alias {
> }

No. [namespace.def]/3 from the C++ standard says

>> The original=ADnamespace=ADname in an extension=ADnamespace=ADdefinition
>> shall have previously been defined in an
>> original=ADnamespace=ADdefinition in the same declarative region.

This explicitly excludes namespace aliases.

Regards,
Martin


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