RFR: 7903609: Jextract can not handle some anonymous nested structs [v2]

[Jorn Vernee]

On Wed, 13 Dec 2023 16:56:30 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> src/main/java/org/openjdk/jextract/impl/TreeMaker.java line 346:
>> 
>>> 344:         AtomicReference<OptionalLong> result = new AtomicReference<>(OptionalLong.empty());
>>> 345:         record.forEach(fc -> {
>>> 346:             if (result.get().isPresent()) return;
>> 
>> Why don't we return after setting a result, instead of waiting for the next cursor and then returning if we see a result has been set?
>
> We can not return from the outer function in the forEach. I don't think there is a way to short-circuit the forEach.

We could enhance the forEach to take a `Predicate` instead, so that we can return true/false to short-circuit, and then have a Consumer overload that just always returns true. I'll look at that

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PR Review Comment: https://git.openjdk.org/jextract/pull/159#discussion_r1425643325