/**
* Returns a Tree containing {@code n} values of a given Function {@code f} over a range of
* integer values from 0 to {@code n - 1}.
*
* @param <T> Component type of the Tree
* @param n The number of elements in the Tree
* @param f The Function computing element values
* @return A Tree consisting of elements {@code f(0),f(1), ..., f(n - 1)}
* @throws NullPointerException if {@code f} is null
*/
static <T> Tree<T> tabulate(int n, Function<? super Integer, ? extends T> f) {
Objects.requireNonNull(f, "f is null");
return Collections.tabulate(n, f, Tree.empty(), Tree::of);
}
/**
* Returns an Array containing {@code n} values of a given Function {@code f} over a range of
* integer values from 0 to {@code n - 1}.
*
* @param <T> Component type of the Array
* @param n The number of elements in the Array
* @param f The Function computing element values
* @return An Array consisting of elements {@code f(0),f(1), ..., f(n - 1)}
* @throws NullPointerException if {@code f} is null
*/
public static <T> Array<T> tabulate(int n, Function<? super Integer, ? extends T> f) {
Objects.requireNonNull(f, "f is null");
return Collections.tabulate(n, f, empty(), Array::of);
}