lastIndexOf method

int lastIndexOf(
  1. E element
)

Returns last index of element, or -1 if the collection does not contain element.

Implementation

int lastIndexOf(E element) {
  var lastIndex = -1;
  var index = 0;

  for (final elm in this) {
    if (element == elm) lastIndex = index;
    index++;
  }

  return lastIndex;
}