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Re: Widget descriptors as unions




On 29.08.2015 11:46, Florian Pelz wrote:
> On 08/29/2015 10:39 AM, Jean-Marie Delapierre wrote:
>> I have explained (I hope in a clear way, but I begin to doubt about it)
>> that the unions I suggest only own pointers, not child objects as you
>> say in your answer.
> 
> I think it is clear, but you still need to declare one such union for
> each class.

Union-pointers sound like a neat trick.

Can't you generate headers with these union-pointer declarations
automatically, using gobject introspection?

I'm also not sure what are the ABI implications. Are unions compile-time
only? I guess you'd only change a pointer-union if the class hierarchy of
its corresponding widget class changes, which sounds like a good excuse to
recompile anyway...

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