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/Optional.java line 74: > 72: * If non-null, the value; if null, indicates no value is present > 73: */ > 74: @Stable Shouldn’t this also add a null sentinel to allow the folding of the empty case? Or is that irrelevant because empty would be the terminator of a chain. ------------- PR Review Comment: https://git.openjdk.org/jdk/pull/27605#discussion_r2399352909
