[Interest] Is it safe to call qRegisterMetaType() before main()?

[Tomas Konir]

po 29. 7. 2019 v 21:00 odesílatel Nikos Chantziaras <realnc at gmail.com>
napsal:

> The linker might remove it from the executable when linking statically,
> because 'registerHelper' is not referenced anywhere.
>
>
> On 29/07/2019 19:25, Tomasz Olszak wrote:
> > What's is the cons of putting something like that in anonymous namespace
> > instead of constructor?
> >
> > namespace {
> > struct RegisterHelper
> > {
> >      RegisterHelper()
> >      {
> >          qRegisterMetaType<MyClass>();
> >          qRegisterMetaType<MyEnum>();
> >          qRegisterMetaTypeStreamOperators<MyClass>();
> >      }
> > };
> > static RegisterHelper registerHelper;
> > }
>

Hi,

I'm using C constructor attribute with no problems.
Code like below at each class cpp file.

static void constructor() __attribute__((constructor));




static void constructor(){




   qmlRegisterType<ClassName>("ClassName", 1, 0, "ClassName");




}

Maybe it helps.

Tom

-- 
Tomas Konir
Czech Republic
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