Esempi in Java per TreeMap.delete

Esempio n. 1

File: TreeMapTest.java Progetto: s4ke/functionaljava

 @Test
 public void minKey() {
   TreeMap<Integer, Integer> t1 = TreeMap.<Integer, Integer>empty(Ord.intOrd);
   assertThat(t1.minKey(), equalTo(none()));
   TreeMap<Integer, Integer> t2 = t1.set(1, 2).set(2, 4).set(10, 20).set(5, 10).set(0, 100);
   assertThat(t2.minKey(), equalTo(some(0)));
   assertThat(t2.delete(0).minKey(), equalTo(some(1)));
 }