Wildcards in vala

wildcards.vala

public class Container<T> : Object {
	public T value { get; set; }
	
	public Container (T value) {
		_value = value;
	}
}

void main () {
	Container<void*> obj;
	
	// (Container<void*>) <- required because 'int' is not a pointer type
	obj = (Container<void*>) new Container<int>(111);
	print("hello %d!\n", ((Container<int>)obj).value); // hello 111!
	
	// (Container<void*>) <- NOT required because 'Container' is a pointer type
	obj = new Container<Container<int>>( new Container<int>(222) );
	print("hello %d!\n", ((Container<Container<int>>)obj).value.value); // hello 222!
}