Counting the number of flags set on an enumeration

Question

I\'m sure there must be a much better way of doing this. I\'m trying to do a count operation on a Flags enum. Before I was itterating over all the possible values and counting t

Answer 1

A very concise way to do it using BitArray and LINQ:

public static int Count(Skills skillsToCount)
{
    return new BitArray(new[] {(int)skillsToCount}).OfType().Count(x => x);
}