polymorphism works by creating a relationship between classes using inheritance. when a superclass defines a method, its subclasses can override that method to provide their own implementation. at runtime, the appropriate method is called based on the actual type of the object. this dynamic binding...
It is a strongly-typed language, meaning that every value and expression in Rust has a specific data type that the compiler checks at compile-time to ensure that the program is correct.In Rust, variables must be declared before they can be used. This means specifying both the name of the...
Ok actually it is Interesting that Swift needs to be able to generate witness tables at runtime to deal with the fact that generic type substitutions can’t be statically predicted in the face of dynamic linking of generic code, but that’s getting way ahead of ourselves....
The Windows API, and C Runtime library functions are well documented and allow for precise understanding of the C sample. However, there is no official documentation of VB runtime functions because it is not intended to be explicitly called. It can be assumed that __vbaFileOpen is used to ...
We cannot create the instance of the class using new because the class is not defined in the executable, and because (under some circumstances) we don't even know its name. The solution is achieved through polymorphism. We define a base, interface class with virtual members in the executable...
Polymorphism and method overriding go hand in hand. Method overriding is the process of providing a different implementation of a method in a subclass that is already defined in its superclass. This is achieved by using the same method signature in the subclass as the one in the superclass. ...