getIndexOf method

int getIndexOf(
  1. T item
)

Implementation

int getIndexOf(T item) {
  int Function(T a, T b)? _comparator = comparator();
  if (_comparator == null) {
    return -1;
  }
  for (var i = 0; i < dataLength; i++) {
    var b = getItem(i);
    if (_comparator(item, b) == 0) {
      return i;
    }
  }
  return -1;
}