public static <T extends Collection<E>, E extends Number> int countOdds(T list) {
int count = 0;
for (E elem : list) {
count += elem.longValue() % 2;
}
return count;
}
@Override
public ProductWrapper<Long> generate(ProductWrapper<Long> wrapper) {
assertInitialized();
ProductWrapper<E> tmp = generateFromSource();
if (tmp == null) return null;
E feed = tmp.unwrap();
return wrapper.wrap(feed.longValue());
}