errors/gcs0411-5.cs

   1 // CS0411: The type arguments for method `Hello.World<U>(IFoo<U>)' cannot be inferred from the usage. Try specifying the type arguments explicitly
   2 // Line: 16
   3 public interface IFoo<T>
   4 { }
   5
   6 public class Foo : IFoo<int>, IFoo<string>
   7 { }
   8
   9 public class Hello
  10 {
  11         public void World<U> (IFoo<U> foo)
  12         { }
  13
  14         public void Test (Foo foo)
  15         {
  16                 World (foo);
  17         }
  18 }
  19
  20 class X
  21 {
  22         static void Main ()
  23         {
  24         }
  25 }