mcs/tests/test-anon-138.cs

   1 using System;
   2 using System.Collections.Generic;
   3 using System.Linq.Expressions;
   4
   5 class Foo<T>
   6 {
   7         public bool ContainsAll<U> (IEnumerable<U> items) where U : T
   8         {
   9                 Func<bool> d = delegate () {
  10                         foreach (U item in items) {
  11                                 Expression<Func<bool>> e = () => !Contains (item);
  12                                 if (!e.Compile () ())
  13                                         return false;
  14                         }
  15
  16                         return true;
  17                 };
  18
  19                 return d ();
  20         }
  21
  22         public bool Contains (T t)
  23         {
  24                 return false;
  25         }
  26 }
  27
  28 class Program
  29 {
  30         public static int Main ()
  31         {
  32                 var x = new Foo<int> ();
  33                 return x.ContainsAll (new [] { 4, 6, 78 }) ? 0 : 1;
  34         }
  35 }
  36