Method first

src/test/java/org/mapdb/BTreeSet2Test.java:888–890

()

                        higherAscending(element) : lowerAscending(element);
            }
            int first() {
                return ascending ? firstAscending() : lastAscending();
            }
            int last() {
                return ascending ? lastAscending() : firstAscending();
            }