@Test
public void testMapSnd() {
@SuppressWarnings("unchecked")
Triple<Integer, Integer, Integer>[] triples =
new Triple[] {triple(1, 3, 10), triple(2, 6, 9), triple(3, 9, 8)};
Integer[] fsts = new Integer[] {3, 6, 9};
assertArrayEquals(fsts, Triple.mapSnd(triples));
assertEquals(Arrays.asList(fsts), Triple.mapSnd(Arrays.asList(triples)));
}
