1 // CS1928: Type `Test.mFoo' does not contain a member `Frobnicate' and the best extension method overload `Extensions.Frobnicate<Test>(this Test)' has some invalid arguments
5 using System.Collections;
7 static class Extensions
9 public static void Frobnicate<T> (this T foo) where T : IList
20 mFoo.Frobnicate<Test> ();