Reference Type Constraint : Generic Constraint : Generics C# Source Code

Reference Type Constraint

    
 
using System;
using System.Collections;


public class Starter {
    public static void Main() {
        // MyClass<int> obj1=new MyClass<int>(); [illegal]
        MyClass<XClass> obj2 = new MyClass<XClass>();

    }
}

public class MyClass<T> where T : class {

    public void Iterate(T data) {
    }
}

public class XClass {
}

 
    
   
  
   

Related in same category :
• There are five types of constraints
• Combination of Overriding Generic Methods
• A base class constraint
• Use an interface constraint
• A new() constructor constraint
• Demonstrate a reference constraint
• Demonstrate a value type constraint
• A type parameter can be used as a constraint
• Reference Type Constraint