mcs/errors/cs0452-9.cs

   1 // CS0452: The type `U' must be a reference type in order to use it as type parameter `UU' in the generic type or method `B.Test<UU>(UU)'
   2 // Line: 13
   3
   4 abstract class A<T>
   5 {
   6         public abstract void Foo<U> (U arg) where U : T;
   7 }
   8
   9 class B : A<int>
  10 {
  11         public override void Foo<U> (U arg)
  12         {
  13                 Test (arg);
  14         }
  15
  16         void Test<UU> (UU a) where UU : class
  17         {
  18         }
  19 }