Lines Matching refs:empty
46 * Common instance for {@code empty()}.
57 * Construct an empty instance.
59 * @implNote generally only one empty instance, {@link OptionalDouble#EMPTY},
68 * Returns an empty {@code OptionalDouble} instance. No value is present for this
72 * is empty by comparing with {@code ==} against instances returned by
73 * {@code Option.empty()}. There is no guarantee that it is a singleton.
76 * @return an empty {@code OptionalDouble}.
78 public static OptionalDouble empty() {
168 * @apiNote A method reference to the exception constructor with an empty
231 * Returns a non-empty string representation of this object suitable for
245 : "OptionalDouble.empty";