> > > The idea was to silently return a default-constructed type. > > I'm not keen on that. Aside from adding extra restrictions to the > types that the class can be used with as you mention, > it runs the much more severe risk of masking serious bugs. >
Returning default-constructed value is heavily used practice in qt api and it simplifies our code. We (try to) design our code such that default-constructed value means safe default / failure. Kind regards Brano
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