A subclass can also override a function declared in the superclass, if the superclass edition of the function is marked with the open keyword. Without that keyword, subclasses cannot override the function.

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Assigning Function Results Chaining to Superclass Functions Default Parameter Values Expression Bodies Expression Bodies and Return Types Functions with Parameters Functions with Return Types Hello, World! (In a Function) Infix Functions Inheritance and Functions Inheritance and Overriding Functions Local Variables Named Parameter Values override is Transitive Spread Operator Spread Operator with Primitive Types Values for Varargs Varargs
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