errors/gcs0309.cs

   1 // CS0309: The type `B' must be convertible to `A' in order to use it as parameter `T' in the generic type or method `Foo<T>'
   2 // Line: 20
   3
   4 public class Foo<T>
   5         where T : A
   6 {
   7 }
   8
   9 public class A
  10 {
  11 }
  12
  13 public class B
  14 {
  15 }
  16
  17 class X
  18 {
  19         Foo<B> foo;
  20
  21         static void Main ()
  22         {
  23         }
  24 }