[Development] Qt 6: inline namespace Qt

Mutz, Marc marc at kdab.com
Fri Sep 6 20:00:51 CEST 2019

On 2019-09-06 19:26, Thiago Macieira wrote:
> On Friday, 6 September 2019 09:04:09 PDT Giuseppe D'Angelo via 
> Development
> wrote:
>> I was actually proposing option A, to avoid clashes. The Qt:: 
>> namespace
>> at the moment is simply too big to reasonably claim that there will be
>> no conflicts. A few examples that come into mind: Qt::horizontal,
>> Qt::vertical, Qt::[color name], Qt::SHIFT, Qt::Monday, Qt::XAxis.
>> Option C does not work, a namespace is either entirely inline or it's 
>> not.
> Option D: the inline namespace gets another name, something different 
> from
> "Qt".
> Suggestion: Qt6

D was already taken, so it's Option E, but otherwise: Works for me.

That would even allow, eventually, to load both Qt 6 and Qt 7 into the 
same executable (e.g. by way of plugins; and, yes, I realize that the 
linker scripts already make this possible).


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