// CS1502: The best overloaded method match for `A.A(System.Collections.Generic.IList[])' has some invalid arguments // Line: 40 using System; using System.Collections; using System.Collections.Generic; public struct MyStruct : IList { public int this [int x] { get { return 0; } set { return; } } public int IndexOf (int x) { return 0; } public void Insert (int x, int y) { return; } public void RemoveAt (int x) { return; } public int Count { get { return 0; } } public bool IsReadOnly { get { return false; } } public void Add (int x) { return; } public void Clear () { return; } public bool Contains (int x) { return false; } public void CopyTo (int[] x, int y) { return; } public bool Remove (int x) { return false; } public IEnumerator GetEnumerator() { yield return 0; } IEnumerator IEnumerable.GetEnumerator() { yield return 0; } } public class A { // This version does not compile: public A(IList[] x) { } // This version compiles fine, but results in an exception: public A(IList> x) { } } public class Test { static void Main () { MyStruct[] myStructArray = new MyStruct[1]; Console.WriteLine ("Trying to construct an A..."); A a = new A (myStructArray); Console.WriteLine ("success!"); } }