Improve Your C#! Borrow from F#...

Here's another great post from DidItWith.Net, showing how using F# as a source of inspiration it's easy to create APIs that enable more declarative C# code to be written, resulting on clean and readble code like:

var a = ArrayEx.Create(20, x => x + 1);

ArrayEx.Iterate(a, (x, i) => Console.WriteLine("{0}: {1}", x, i));