public static PrimitiveIntSet asSetAllowDuplicates(PrimitiveIntIterator iterator) {
PrimitiveIntSet set = Primitive.intSet();
while (iterator.hasNext()) {
set.add(iterator.next());
}
return set;
}
public static PrimitiveIntSet asSet(int[] values) {
PrimitiveIntSet set = Primitive.intSet(values.length);
for (int value : values) {
set.add(value);
}
return set;
}
public static PrimitiveIntSet asSet(PrimitiveIntIterator iterator) {
PrimitiveIntSet set = Primitive.intSet();
while (iterator.hasNext()) {
int next = iterator.next();
if (!set.add(next)) {
throw new IllegalStateException("Duplicate " + next + " from " + iterator);
}
}
return set;
}