On Thu, 2 Oct 2025 10:51:08 GMT, Per Minborg <[email protected]> wrote:
> Implement JEP 526: Lazy Constants (Second Preview)
>
> The lazy list/map implementations are broken out from `ImmutableCollections`
> to a separate class.
>
> The old benchmarks are not moved/renamed to allow comparison with previous
> releases.
>
> `java.util.Optional` is updated so that its field is annotated with
> `@Stable`. This is to allow `Optional` instances to be held in lazy
> constants and still provide constant folding.
src/java.base/share/classes/java/util/LazyCollections.java line 255:
> 253: }
> 254:
> 255: interface LenientList<E> extends List<E> {
Ok, this seems needed to give access to `getAcquire` from sublists created from
other sublists...
src/java.base/share/classes/java/util/LazyCollections.java line 360:
> 358:
> 359: @Stable
> 360: private final Set<K> keySet;
I believe putting the field in here might cause some redundancies -- for
instance LazyMap extends this class and addss a `Map<K, Integer>`, from which
you can clearly derive the key set...
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PR Review Comment: https://git.openjdk.org/jdk/pull/27605#discussion_r2426326166
PR Review Comment: https://git.openjdk.org/jdk/pull/27605#discussion_r2426329562