@Test public void isEmpty() { Assert.assertTrue(MSeq.empty().isEmpty()); Assert.assertEquals(MSeq.empty().length(), 0); }
} else if (values instanceof MSeq) { final MSeq<T> seq = (MSeq<T>)values; mseq = seq.isEmpty() ? empty() : MSeq.of(seq); } else if (values instanceof Collection) { final Collection<T> collection = (Collection<T>)values;