On Mon, 30 Oct 2023 15:38:35 GMT, Viktor Klang <vkl...@openjdk.org> wrote:

> This Pull-Request implements [JEP-461](https://openjdk.org/jeps/461)

src/java.base/share/classes/java/util/stream/Gatherer.java line 444:

> 442:      */
> 443:     static <T, A, R> Gatherer<T, A, R> of(
> 444:             Supplier<A> initializer,

wildcards are missing here too, Supplier<? extends A>, Integrator<? super A, ? 
super T, ? extends R> and BiConsumer<? super A, ? super Downstream<? super R>>.

src/java.base/share/classes/java/util/stream/Gatherer.java line 490:

> 488:          *         more elements sent to it, {@code false} if otherwise
> 489:          */
> 490:         default boolean isRejecting() { return false; }

Is it really a good default ?

src/java.base/share/classes/java/util/stream/Gatherer.java line 530:

> 528:          * @param <R> the type of results this integrator can produce
> 529:          */
> 530:         @ForceInline

If we add this kind of the methods, we should add them on all function 
interfaces of java.util.function and java.util.stream.

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PR Review Comment: https://git.openjdk.org/jdk/pull/16420#discussion_r1386965623
PR Review Comment: https://git.openjdk.org/jdk/pull/16420#discussion_r1386966965
PR Review Comment: https://git.openjdk.org/jdk/pull/16420#discussion_r1386970112

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