Covariance and contravariance are precise terms that describe which conversions are safe on parameters and return types. Learn practical definitions for those terms, what new constructs will be ...

C# is a strongly typed language. This implies that when using C# you should declare a type prior to storing data in it. Though this type safety helps enforce safety and interoperability between ...

Generic classes and functions are one way to create flexible, reusable classes and functions. But before you start creating your own generic functions, you should be clear on when they’re your best ...