Func is a parameterized type.
- accepts any number and kinds of input parameters
- one type of the return value T
- stores anonymous methods
Example
1. Func<T, TResult>
Func<int, int> power = p => p * p;
int[] numbers = { 1, 2, 3 };
IEnumerable<int> powers = numbers.Select(power);
foreach (int p in powers)
Console.WriteLine(p);
