@Test
public void doWithEach() throws Exception {

  Table table = Table.read().csv("../data/bush.csv").first(5);
  DateColumn dc1 = table.dateColumn("date");
  DateColumn dc2 = DateColumn.create("100 days later");
  dc1.forEach(localDate -> dc2.append(localDate.plusDays(100)));
  assertEquals(dc1.get(0).plusDays(100), dc2.get(0));
}