will-ism-13.java

List<int> weekendDays = Array.asList(1,7);
List<Thing> productiveThings = Array.asList(study, laundry, foodShopping, gym);

List<Thing> thingsDone = days.stream()
  // Split infinite stream of days into those that are wednesdays and those that are not
  .collect(Collectors.partitionBy(day -> weekendDays.contains(day.get(Calendar.DAY_OF_WEEK))))
  .entrySet().stream().map(entry ->
    // if day is not weekend and william isn't "busy"
    return (!entry.getKey() && isQuoteBusyEndQuote(william))
      ? beProductive(william, productiveThings)
      : beUnproductive(william, Array.asList(xenoblade));
  ).collect();