public static PersistentHashSet createWithCheck(Object... init) {
PersistentHashSet ret = EMPTY;
for (int i = 0; i < init.length; i++) {
ret = (PersistentHashSet) ret.cons(init[i]);
if (ret.count() != i + 1) throw new IllegalArgumentException("Duplicate key: " + init[i]);
}
return ret;
}
public static PersistentHashSet createWithCheck(ISeq items) {
PersistentHashSet ret = EMPTY;
for (int i = 0; items != null; items = items.next(), ++i) {
ret = (PersistentHashSet) ret.cons(items.first());
if (ret.count() != i + 1)
throw new IllegalArgumentException("Duplicate key: " + items.first());
}
return ret;
}
public static PersistentHashSet createWithCheck(List init) {
PersistentHashSet ret = EMPTY;
int i = 0;
for (Object key : init) {
ret = (PersistentHashSet) ret.cons(key);
if (ret.count() != i + 1) throw new IllegalArgumentException("Duplicate key: " + key);
++i;
}
return ret;
}