indexedForEach method

void indexedForEach(
  1. void f(
    1. int index,
    2. T element
    )
)

loop items with index and element arguments

Implementation

void indexedForEach(void Function(int index, T element) f) {
  var index = 0;
  for (var element in this) {
    f(index, element);
    index++;
  }
}