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Object-oriented Programming in C#
Generic Types and Methods
* Motivation for Generic Types
Operations on sets
The classes IntSet and StringSet
The class ObjectSet
Problems
* Generic Types
The generic class Set<T>
Generic Types
Constraints on Formal Type Parameters
Constraints: Strings of comparable elements
Another example of constraints
Variance
Generic structs
Generic interfaces: IComparable<T>
Generic equality interfaces
Generic Classes and Inheritance
* Generic Methods
Generic Methods
Generic Delegates
Predefined generic delegates
Generic types and methods - Pros and Cons
Generic Classes and Inheritance
Can a generic/non-generic class inherit from a non-generic/generic class?
Legal subclassing
A generic subclass of a non-generic superclass
A generic subclass of a constructed superclass
A generic subclass of generic superclass
Illegal subclassing
A non-generic subclass of generic superclass
Class
IntSet
Class
Set<T>
Possible and impossible subclasses of
Set
classes.
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