On quinta-feira, 4 de julho de 2013 20.11.28, Allan Sandfeld Jensen wrote:
> Not necessarily I think. Wouldn't it be possible to let the headers declare 
> the namespaced classes 'using'?
> 
> For instance:
> 
> namespace Qt6 {
>    class QString;
> }
> 
> using Qt6::QString.
> 
> This would mean the QString  would still work in the global namespace when 
> building but would be in the Qt6 namespace when linking

Yes and no. There may be side-effects, especially when it comes to templates 
(because of Argument-Dependent Lookup).
-- 
Thiago Macieira - thiago.macieira (AT) intel.com
  Software Architect - Intel Open Source Technology Center

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