@Override
public <U> Array<U> scanLeft(U zero, BiFunction<? super U, ? super T, ? extends U> operation) {
Objects.requireNonNull(operation, "operation is null");
return Collections.scanLeft(
this,
zero,
operation,
new java.util.ArrayList<>(),
(c, u) -> {
c.add(u);
return c;
},
list -> Array.wrap(list.toArray()));
}
@Override
default <U> Seq<U> scanLeft(U zero, BiFunction<? super U, ? super T, ? extends U> operation) {
Objects.requireNonNull(operation, "operation is null");
return Collections.scanLeft(this, zero, operation, List.empty(), List::prepend, List::reverse);
}