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lemmur-app-android/lib/util/extensions/iterators.dart
2020-09-30 17:05:00 +00:00

8 lines
205 B
Dart

extension ExtraIterators<E> on Iterable<E> {
/// A `.map` but with an index as the second argument
Iterable<T> mapWithIndex<T>(T f(E e, int i)) {
var i = 0;
return map((e) => f(e, i++));
}
}