[Development] Adding Q_GADGET here and there

[Olivier Goffart]

On Sonntag, 16. April 2017 16:41:27 CEST Alberto Mardegan wrote:
> Hi all,
>   I'm about to use QMimeType in my application, and I'd found it useful
> if it were a Q_GADGET. Can I just go on and submit a patch to add that,
> or are there some cons (a small increase on the library size, I assume)?
> 
> In general: is it a good idea to add Q_GADGET to non QObject classes
> within the Qt source code?

Q_GADGET's overhead is basically the cost of the QMetaObject. So it's there, 
but it's quite small.
If there is an use for a class to be a Q_GADGET, I think it should be added.

-- 
Olivier

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