So I've used <I>plenty</I> of STL functions which takes functors as parameters. For calculating set differences, for sorting vectors, etc. I'm in a situation where I'd like to write such a function ...
Allowing for the right kind of input into PowerShell functions is important. It can mean the difference between writing a function once and forgetting about it constantly having to refactor it to ...
Not only are generics/templates better for type safety, they are much faster than casting back and fourth. Or as they call it in .NET land boxing and unboxing.