mcs/errors/cs0266-26.cs

   1 // CS0266: Cannot implicitly convert type `System.Collections.Generic.IEnumerable<T>' to `System.Collections.Generic.IEnumerable<U>'. An explicit conversion exists (are you missing a cast?)
   2 // Line: 12
   3
   4 using System;
   5 using System.Collections.Generic;
   6
   7 public class Test
   8 {
   9         static void Bla<T, U> () where T : U
  10         {
  11                 IEnumerable<T> ita = null;
  12                 IEnumerable<U> itu = ita;
  13         }
  14 }