Did you ever need to convert List(T1) to List(T2)? One example might be when implementing an interface. you might need to expose a collection of other interfaces (or maybe the same interface), But you usually hold the concrete type implementing the interface in the collection. Lets look at the following example:

Hi all.
In the course of my work i was in the need of a State Machine. i decided to implement a Generic version of the State Machine so I can reuse it if i will need it again. i started with defining the needs of a basic state and i can up with the [...]