Method parentOf

src/main/java/gate/util/RBTreeMap.java:1225–1227

(Entry<X,Y> p)

  }

  private static <X,Y> Entry<X,Y> parentOf(Entry<X,Y> p) {
    return (p == null ? null: p.parent);
  }

  private static void setColor(Entry<?,?> p, boolean c) {
    if (p != null)  p.color = c;