@Test public void mapT5() { Tuple7<Integer, Integer, Integer, Integer, String, Integer, Integer> base = Tuples.of(100, 200, 300, 400, "Foo", 600, 700); Tuple2<?,?> mapped = base.mapT5(String::length); assertThat(mapped).isNotSameAs(base) .hasSize(7) .containsExactly(base.getT1(), base.getT2(), base.getT3(), base.getT4(), 3, base.getT6(), base.getT7()); }