22.08.2019, 16:44, "Martin Smith" <martin.sm...@qt.io>:
> But Marc, your last paragraph calls for separating the API and implementation 
> discussions, but the paragraph just before it argues that the API to work 
> around our slowness is vital.
>
> If Qt developers must not forget Q_DECLARE_TYPEINFO, why isn't it important 
> for users?
>
> Should we have a pre-Qt 6 optimization period, where you first write up an 
> exhaustive list of all the implementation optimizations that should be used 
> in all Qt library code, and then we take the time to ensure that every class 
> uses them?
>
> I'm still not seeing why these same optimizations shouldn't be important to 
> describe in the Qt documentation for users. Users look at the Qt source code, 
> so when they see Q_DECLARE_TYPEINFO, they should be able to find out what it 
> does.

At least we need a wiki page with optimization guidelines

-- 
Regards,
Konstantin

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