Tee is a cool function that "clones" enumerators whatever their current state is - it basically allows you to branch off an enumerator into as many enumerators as you want, all independent of each other. You can do something like List<int>...
There is a description of the bug here . The following piece of code demonstrates the bug. class Program { interface I { int X { get; set; } } struct S : I { public int X { get; set; } } static void Main(string[] args) { Func<S>(); } static void...
Local variable type inferencing is a new feature in C# 3.5 - a very "handy" one, in that it saves a lot of typing. Basically, it lets you do var dict = new Dictionary<string, List<int, Dictionary<int, string>>>(); instead of...