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/jdk/internal/lang/LazyConstantImpl.java line 171:

> 169: 
> 170:     public static <T> LazyConstantImpl<T> ofLazy(Supplier<? extends T> 
> computingFunction) {
> 171:         return new LazyConstantImpl<>(computingFunction);

We might return the function if it is already a LazyConstantImpl.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27605#discussion_r2399678324

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