![]() ![]() ![]() For more information on access methods, see Property Access Methods. The subclass that defines the concrete property can create access methods and specify initial values. Making a virtual call to a pure virtual function from a constructor or the destructor of the abstract class is undefined behavior (regardless of whether it has a definition or not). Abstract properties cannot define access methods and cannot specify initial values. The Host() function decorating the heroCache constructor property ensures. This definition must be provided outside of the class body (the syntax of a function declaration doesn't allow both the pure specifier = 0 and a function body). Angular throws an error if it cant find the dependency during that walk. The definition of a pure virtual function may be provided (and must be provided if the pure virtual is the destructor): the member functions of the derived class are free to call the abstract base's pure virtual function using qualified function id. ![]()
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