after method

@lazy @useResult Iterable<List<E>> after(Predicate<E> predicate)

Splits this iterable's elements into lists after those that satisfy predicate.

See before for splitting elements before those that satisfy predicate.

final parts = [1, 2, 3, 4, 5, 6, 7, 8, 9].split.after(primeNumber);

print(parts); // ([1], [2], [3], [4, 5], [6, 7], [8, 9])
//                 ^----^----^-------^-------^----------- prime numbers

Implementation

@lazy @useResult Iterable<List<E>> after(Predicate<E> predicate) sync* {
  List<E>? chunk;
  for (final element in _iterable) {
    (chunk ??= []).add(element);
    if (predicate(element)) {
      yield chunk;
      chunk = null;
    }
  }

  if (chunk != null) {
    yield chunk;
  }
}