compare method

  1. @override
int compare(
  1. S a,
  2. S b
)

Compares two values of type T for order.

Returns:

  • A negative number if a < b
  • 0 if a == b
  • A positive number if a > b

This method must be implemented by subclasses or factory constructors.

Implementation

@override
int compare(S a, S b) {
  T c1 = _converter.convert(a);
  T c2 = _converter.convert(b);
  return _comparator.compare(c1, c2);
}