RFR : JDK-8001642 : Add Optional<T>, OptionalDouble, OptionalInt, OptionalLong

[Doug Lea]

On 03/15/13 06:26, Joe Bowbeer wrote:
> Doug,
>
> I think your point that Optional and non-Optional forms of reduce are already
> provided is significant.
>
> I noticed that your proposed versions of findFirst and findAny have a Predicate
> argument, but the Optional forms do not:
>
> T findFirst(Predicate<? super T> predicate, T ifNone);
>
> Why is this?


It's in the spirit of proposing a minimal change. The predicate
form suffices for all Optional-avoiding search stuff. To reduce
impact by another 50%, it would suffice to ONLY include the "any" form.
   T findAny(Predicate<? super T> predicate, T ifNone);

-Doug