dedupeConsecutive method

@useResult Iterable<T> dedupeConsecutive()

Removes consecutive duplicate elements (keeps first of each run).

Implementation

@useResult
Iterable<T> dedupeConsecutive() sync* {
  T? prev;
  for (final T element in this) {
    if (prev == null || element != prev) {
      yield element;
      prev = element;
    }
  }
}