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C#
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// We create an instance of a type parameter which has the new() constraint.
using System;
public class Foo<T>
where T : new ()
{
public T Create ()
{
return new T ();
}
}
class X
{
public X ()
{ }
void Hello ()
{
Console.WriteLine ("Hello World");
}
public static void Main ()
{
Foo<X> foo = new Foo<X> ();
foo.Create ().Hello ();
}
}