Demonstrate a value type constraint : Generic Constraint « Generics « C# / C Sharp

Demonstrate a value type constraint

using System;

struct MyStruct {

class MyClass {

class Test<T> where T : struct {
  T obj;

  public Test(T x) {
    obj = x;

class Test {
  public static void Main() {
    Test<MyStruct> x = new Test<MyStruct>(new MyStruct());
    Test<int> y = new Test<int>(10);

    // But, the following declaration is illegal!
//    Test<MyClass> z = new Test<MyClass>(new MyClass());

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