mcs/errors/cs0767.cs

   1 // CS0767: Cannot implement interface `I<T,U>' with the specified type parameters because it causes method `I<int,int>.Foo(ref int)' to differ on parameter modifiers only
   2 // Line: 10
   3
   4 interface I<T, U>
   5 {
   6     void Foo(ref U t);
   7     void Foo(out T u);
   8 }
   9
  10 class A : I<int, int>
  11 {
  12     void I<int, int>.Foo(ref int arg)
  13         {
  14         }
  15
  16     public virtual void Foo(out int arg)
  17         {
  18                 arg = 8;
  19         }
  20 }