2 using System.Collections.Generic;
4 delegate TD Func<TD>();
5 delegate TR Func<TA,TR>(TA arg);
9 static IEnumerable<T> Test<T> (T t)
14 static IEnumerable<T> Test<T> (Func<T> f)
19 static IEnumerable<T> Test2<T> (Func<T, T> f)
24 public static void Main ()
26 IEnumerable<int> ie = Test (1);
27 IEnumerable<string> se;
28 se = Test (() => "a");
29 se = Test (delegate () { return "a"; });
30 se = Test2 ((string s) => "s");