25 lines
394 B
C#
25 lines
394 B
C#
// CS1503: Argument `#2' cannot convert `IContravariant<object>' expression to type `ICovariant<string>'
|
|
// Line: 23
|
|
|
|
interface IContravariant<in T>
|
|
{
|
|
}
|
|
|
|
interface ICovariant<out T>
|
|
{
|
|
}
|
|
|
|
class C
|
|
{
|
|
public static void Test<T> (ICovariant<T> e1, ICovariant<T> e2)
|
|
{
|
|
}
|
|
|
|
public static void Main ()
|
|
{
|
|
ICovariant<string> a_2 = null;
|
|
IContravariant<object> b_2 = null;
|
|
|
|
Test (a_2, b_2);
|
|
}
|
|
} |