static void testPowerSet()
{
List <string> input = new List <string> {
"a", "b", "c", "d"
};
List <List <string> > power_set = PowerSet.generate(input);
//List<List<string>> power_set = PowerSet.generateUsingBitwise(input);
Console.WriteLine("PowerSet: ");
foreach (List <string> subset in power_set)
{
Console.WriteLine("{" + System.String.Join(", ", subset) + "}");
}
}
