Exemplos de PriorityQueue.narrow em Java

Exemplo n.º 1

Arquivo: PriorityQueueTest.java Projeto: enelson/javaslang

 @Test
 public void shouldNarrowQueue() {
   final PriorityQueue<Double> doubles = of(1.0d);
   final PriorityQueue<Number> numbers = PriorityQueue.narrow(doubles);
   final int actual = numbers.enqueue(new BigDecimal("2.0")).sum().intValue();
   assertThat(actual).isEqualTo(3);
 }