You just have to change your line: Car * carPtr = &car;
with const Car * carPtr = &car; Philippe On Thu, 20 Sep 2018 10:40:01 +0200 Michal Lazo <xlazo...@gmail.com> wrote: > Hello > example > https://pastebin.com/xL9yWhKe > > > > I never used QSharedDataPointer in my code but is is heavily used in Qt > My problem is that I found that QSharedDataPointer prefer non const operator > for access raw pointer to object instead of const variant. > And at the end non const variant call detach() = cloning object > Look at my example and plz debug if conditions > > > I use compiler MSVC 2015, 2017 > > > My problem is that for example QTextCursor use this constructions and it > heavily call detach. And simple call const variant of method should fix this. > > > Anybody can explain this behaviour? > > > > > > >
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