* assert [1, 2, 3].everyParallel() {Number number -> number <= 3}
* }
* </pre>
*/
public static boolean everyParallel(final Collection collection, final Closure cl) {
return GParsPoolUtilHelper.createPAFromCollection(collection, retrievePool()).withFilter(new ClosureNegationPredicate(cl)).any() == null;
}