differenceWith<T> function
Implementation
List<T> differenceWith<T>(Iterable<T>? list, [Iterable<T>? values, bool Function(T, T)? comparator]) {
if (list == null) {
return [];
}
if (values == null || comparator == null) {
return [...list];
}
Set<T> set = {};
set.addAll(values);
List<T> rl = [];
for (var v in list) {
bool diff = true;
for (var t in set) {
if (comparator.call(v, t)) {
diff = false;
break;
}
}
if (diff) {
rl.add(v);
}
}
return rl;
}