mcs/errors/cs8139.cs

   1 // CS8139: `D.M()': cannot change return type tuple element names when overriding inherited member `C.M()'
   2 // Line: 14
   3
   4 class C
   5 {
   6         public virtual (int a, int b) M ()
   7         {
   8                 throw null;
   9         }
  10 }
  11
  12 class D : C
  13 {
  14         public override (int c, int d) M ()
  15         {
  16                 throw null;
  17         }
  18 }