コード例 #1
0
 @Test
 public void tap() {
   MutableList<Integer> tapResult = Lists.mutable.of();
   Interval interval = Interval.fromTo(10, -10).by(-5);
   LazyIterable<Integer> lazyTapIterable = interval.tap(tapResult::add);
   lazyTapIterable.each(x -> {}); // force evaluation
   Assert.assertEquals(interval, tapResult);
 }
コード例 #2
0
  @Test
  public void distinct() {
    LazyIterable<Integer> integers = Interval.oneTo(1000000000);

    Assert.assertEquals(FastList.newListWith(1, 2, 3, 4, 5), integers.distinct().take(5).toList());

    LazyIterable<Integer> lazyInterval = Interval.oneTo(1000000).flatCollect(Interval::oneTo);
    LazyIterable<Integer> distinct = lazyInterval.distinct();
    LazyIterable<Integer> take = distinct.take(5);
    Assert.assertEquals(Lists.immutable.of(1, 2, 3, 4, 5), take.toList());
  }