mcs/errors/cs1503-14.cs

   1 // CS1503: Argument `#2' cannot convert `IContravariant<object>' expression to type `ICovariant<string>'
   2 // Line: 23
   3
   4 interface IContravariant<in T>
   5 {
   6 }
   7
   8 interface ICovariant<out T>
   9 {
  10 }
  11
  12 class C
  13 {
  14         public static void Test<T> (ICovariant<T> e1, ICovariant<T> e2)
  15         {
  16         }
  17
  18         public static void Main ()
  19         {
  20                 ICovariant<string> a_2 = null;
  21                 IContravariant<object> b_2 = null;
  22
  23                 Test (a_2, b_2);
  24         }
  25 }