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292 B
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// CS1503: Argument `#2' cannot convert `IFoo<object>' expression to type `IFoo<int>'
// Line: 18
interface IFoo<in T>
{
}
class C
{
public static void Foo<T> (IFoo<T> e1, IFoo<T> e2)
{
}
public static void Main ()
{
IFoo<int> a = null;
IFoo<object> b = null;
Foo (a, b);
}
}