True iff target itself is marked @OptionalKeyedSpecialization().
target
@OptionalKeyedSpecialization()
Accepts either a class (constructor) or an instance. OWN-property check — a subclass of a marked base returns false, mirroring ClassRequiresSubclass.
false
ClassRequiresSubclass
True iff
targetitself is marked@OptionalKeyedSpecialization().Accepts either a class (constructor) or an instance. OWN-property check — a subclass of a marked base returns
false, mirroringClassRequiresSubclass.