C#カスタム汎用例の作成

 1 class Program

 2     {

 3         static void Main(string[] args)

 4         {

 5             int a = 10, b = 90;

 6             Console.WriteLine("Before swap: {0}, {1}", a, b);

 7             Swap<int>(ref a, ref b);

 8             Console.WriteLine("After swap: {0}, {1}", a, b);

 9             Console.WriteLine("---------------------");

10 

11             string s1 = "Hello", s2 = "World";

12             Console.WriteLine("Before swap: {0}  {1}", s1, s2);

13             Swap<string>(ref s1, ref s2);

14             Console.WriteLine("After swap: {0}  {1}", s1, s2);

15             Console.WriteLine("---------------------");

16 

17             bool b1 = true, b2 = false;

18             Console.WriteLine("Before swap: {0} , {1}", b1, b2);

19             Swap<bool>(ref b1, ref b2);

20             Console.WriteLine("After swap: {0}  , {1}", b1, b2);

21             Console.WriteLine("---------------------");

22 

23             DisplayBaseClass<int>();

24             DisplayBaseClass<string>();

25 

26             Console.ReadLine();

27         }

28 

29         static void Swap<T>(ref T a, ref T b)

30         {

31             Console.WriteLine("You sent the Swap() method a {0}", typeof(T));

32             T temp;

33             temp = a;

34             a = b;

35             b = temp;

36         }

37 

38         static void DisplayBaseClass<T>()

39         {

40             Console.WriteLine("Base class of {0} is : {1}", typeof(T), typeof(T).BaseType);

41         }