public static void InvariantGeneric()
{
IInvariantGeneric <MiddleClass> genericMiddle = new InvariantGeneric <MiddleClass>();
MiddleClass result = genericMiddle.Method(new MiddleClass());
// This will produce compile-time error:
// Cannot implicitly convert type 'IInvariantGeneric<MiddleClass>' to 'IInvariantGeneric<BaseClass>'.
// An explicit conversion exists (are you missing a cast?)
//// IInvariantGeneric<BaseClass> genericBase = genericMiddle;
// This will produce compile-time error:
// Cannot implicitly convert type 'IInvariantGeneric<MiddleClass>' to 'IInvariantGeneric<LastClass>'.
// An explicit conversion exists (are you missing a cast?)
//// IInvariantGeneric<LastClass> genericLast = genericMiddle;
}
public static void InvariantGeneric()
{
IInvariantGeneric<MiddleClass> genericMiddle = new InvariantGeneric<MiddleClass>();
genericMiddle.Method(new MiddleClass());
// This will produce compile-time error:
// Cannot implicitly convert type 'IInvariantGeneric<MiddleClass>' to 'IInvariantGeneric<BaseClass>'.
// An explicit conversion exists (are you missing a cast?)
//// IInvariantGeneric<BaseClass> genericBase = genericMiddle;
// This will produce compile-time error:
// Cannot implicitly convert type 'IInvariantGeneric<MiddleClass>' to 'IInvariantGeneric<LastClass>'.
// An explicit conversion exists (are you missing a cast?)
//// IInvariantGeneric<LastClass> genericLast = genericMiddle;
}
