@NotNull
public static <T, Loc> WeighingComparable<T, Loc> weigh(
Key<? extends Weigher<T, Loc>> key, T element, Loc location) {
final List<Weigher> weighers = COLLECTOR.forKey(key);
return new WeighingComparable<T, Loc>(
element, location, weighers.toArray(new Weigher[weighers.size()]));
}
