// CS0315: The type `ushort' cannot be used as type parameter `T' in the generic type or method `A<T>'. There is no boxing conversion from `ushort' to `A<ushort>.N1<ushort>' // Line: 9 // Compiler options: -r:CS0315-2-lib.dll public class Test { public static void Main () { A<ushort>.N1<ushort> a = null; } }