mcs/tests/gtest-624.cs

   1 using System;
   2
   3 class Model
   4 {
   5         public int Value;
   6 }
   7
   8 class C1<T1>
   9 {
  10         public void Add (Func<T1, int> t)
  11         {
  12         }
  13 }
  14
  15 abstract class C2<TModel>
  16 {
  17         public abstract void ApplyImpl<U> (C1<U> c1) where U : TModel;
  18 }
  19
  20 class C3 : C2<Model>
  21 {
  22         public override void ApplyImpl<Foo> (C1<Foo> c1)
  23         {
  24                 c1.Add (t => t.Value);
  25         }
  26 }
  27
  28 class Program
  29 {
  30         static void Main ()
  31         {
  32                 var v1 = new C1<Model> ();
  33                 var c3 = new C3 ();
  34                 c3.ApplyImpl (v1);
  35         }
  36 }