On Wed, 18 Oct 2023 09:45:53 GMT, Viktor Klang <vkl...@openjdk.org> wrote:
> This PR corrects so that `opIsStateful()` is not invoked as a part of the > java.util.stream.AbstractPipeline constructor—as `opIsStateful()` is intended > to be overridden by subclasses, and as their own constructors have not run > when their superclass constructor runs, this means that `opIsStateful()` > cannot base its return value on any class members of the subclass. > > Since `opIsStateful()` is only needed for parallel streams, we can therefor > defer the invocation of `opIsStateful()` until evaluation-time, and as such > we can remove the need for having an instance field to store the result of > the invocation—making Stream instances potentially a tiny bit smaller, > reducing Stream-construction overhead, while still preserving semantics. Marked as reviewed by psandoz (Reviewer). ------------- PR Review: https://git.openjdk.org/jdk/pull/16239#pullrequestreview-1685991329
