import java.util.Collection; | |
import java.util.List; | |
class Idea { | |
class Library<T> { | |
public void f(Base<T> x) { | |
} | |
public void f(Derived<T> x) { | |
} | |
} | |
class Wrapper<T> { | |
} | |
class Base<In> { | |
} | |
class Derived<In> extends Base<In> { | |
} | |
public void main(Derived<Wrapper<String>> x) { | |
new Library<Wrapper<String>>().f(x); | |
} | |
} |