static class LUse extends LearnerImpl {
  Function f;

  *(Function *f) {}
  
  public void processInOut(Object in, Object out) {
  }
  
  public Object processIn(Object in) {
    in = f.process(in);
    return in;
  }
  
  public void toJava(Code code) {
    f.toJava_process(code);
  }
}