comparatorFunction method

int comparatorFunction(
  1. T a,
  2. T b
)

Implementation

int comparatorFunction(T a, T b) {
  if (widget.comparatorFunction != null) {
    return widget.comparatorFunction!(a, b);
  } else if (T is Comparable) {
    return (a as Comparable).compareTo(b);
  }
  return valueSelector(a).compareTo(valueSelector(b));
}