public static Multiton GetInstance(MultitonType type)
{
// Lazy init (not thread safe as written)
// Recommend using Double Check Locking if needing thread safety
if (!instances.TryGetValue(type, out var instance))
{
instance = new Multiton(type);
instances.Add(type, instance);
}
return(instance);
}
// Sample usage
public static void Main()
{
Student std1 = new Student();
std1.StudentName = "Bill";
Console.WriteLine(std1.StudentName);
ChangeReferenceType(std1);
Console.WriteLine(std1.StudentName);
var m0 = GetInstance(MultitonType.Zero);
var m1 = Multiton.GetInstance(MultitonType.One);
var m2 = Multiton.GetInstance(MultitonType.Two);
Console.WriteLine(m0);
Console.WriteLine(m1);
Console.WriteLine(m2);
A v1 = new A();
v1.val = 10;
methodtoshowref(ref v1);
Console.WriteLine(v1.val);
}
