@Override
public Tuple2<Array<T>, Array<T>> splitAtInclusive(Predicate<? super T> predicate) {
Objects.requireNonNull(predicate, "predicate is null");
for (int i = 0; i < length(); i++) {
final T value = get(i);
if (predicate.test(value)) {
if (i == length() - 1) {
return Tuple.of(this, empty());
} else {
return Tuple.of(take(i + 1), drop(i + 1));
}
}
}
return Tuple.of(this, empty());
}
@Override
public <T1, T2> Tuple2<Array<T1>, Array<T2>> unzip(
Function<? super T, Tuple2<? extends T1, ? extends T2>> unzipper) {
Objects.requireNonNull(unzipper, "unzipper is null");
if (isEmpty()) {
return Tuple.of(empty(), empty());
} else {
final Object[] xs = new Object[length()];
final Object[] ys = new Object[length()];
for (int i = 0; i < length(); i++) {
final Tuple2<? extends T1, ? extends T2> t = unzipper.apply(get(i));
xs[i] = t._1;
ys[i] = t._2;
}
return Tuple.of(wrap(xs), wrap(ys));
}
}
@Override
public Tuple2<Array<T>, Array<T>> partition(Predicate<? super T> predicate) {
Objects.requireNonNull(predicate, "predicate is null");
final java.util.List<T> left = new ArrayList<>(), right = new ArrayList<>();
for (T t : this) {
(predicate.test(t) ? left : right).add(t);
}
return Tuple.of(ofAll(left), ofAll(right));
}
@Override
public Tuple2<Array<T>, Array<T>> span(Predicate<? super T> predicate) {
Objects.requireNonNull(predicate, "predicate is null");
return Tuple.of(takeWhile(predicate), dropWhile(predicate));
}
@Override
public Tuple2<Array<T>, Array<T>> splitAt(Predicate<? super T> predicate) {
Objects.requireNonNull(predicate, "predicate is null");
final Array<T> init = takeWhile(predicate.negate());
return Tuple.of(init, drop(init.length()));
}
@Override
public Tuple2<Array<T>, Array<T>> splitAt(long n) {
return Tuple.of(take(n), drop(n));
}