at method

@override PatrolFinder at(int index)

Returns a variant of this finder that only matches the item at the given index found by this finder.

Implementation

@override
PatrolFinder at(int index) {
  return _select(
    description: 'index $index',
    selector: (candidates) {
      if (index < 0) {
        return const Iterable<Element>.empty();
      }

      return candidates.skip(index).take(1);
    },
  );
}