whereIndexed method Null safety

Iterable<E> whereIndexed(
  1. IndexedPredicate<E> test
)

Returns a new lazy Iterable with all elements that satisfy the predicate test, providing sequential index of the element.

Implementation

Iterable<E> whereIndexed(IndexedPredicate<E> test) {
  final self = this;
  return self != null ? _IndexedWhereIterable(self, test) : Iterable.empty();
}