1 // CS1750: Optional parameter expression of type `null' cannot be converted to parameter type `A'
8 public GenericClass (GenericClass
<T
> g
= null, A a
= null)
13 class DerivedClass
<T
> : GenericClass
<T
>
15 public DerivedClass (GenericClass
<T
> g
) : base(g
)