> setf is like referring to a mutable reference in C++ or Java. Setf is rather a computation of a reference, than a reference. A reference in Java and C++ is

> setf is like referring to a mutable reference in C++ or Java. Setf is rather a computation of a reference, than a reference. A reference in Java and C++ is a pure pointer, with some syntactic sugar in java (you skeep */-> to define and dereference it), and few corns of sugar spread on top of it in C++ (can't be null).