Hi Rémi, I think you can stay tuned for the fix to JDK-8151179; part of what it addresses is just this. The changes are currently in the CCC loop but should come up for public re-review soon.
Best, Michael > Am 14.09.2016 um 15:19 schrieb Remi Forax <fo...@univ-mlv.fr>: > > Hi everybody, > i've just found that the parameters of the body (a MethodHandle) of > MethodHandles.countedLoop (both overloads) and iteratedLoop are not in the > same order as the accumulator in methods Stream.reduce, given that they > conceptually represent the same thing, i think the first two parameters of > body should be swapped in countedLoop and iteratedLoop. > > in Stream: > <U> U reduce(U identity, > BiFunction<U,? super T,U> accumulator, > BinaryOperator<U> combiner) > so this is equivalent to value = accumulator(value, element) > > In MethodHandles: > MethodHandle iteratedLoop(MethodHandle iterator, > MethodHandle init, > MethodHandle body) > with value = body(element, value, iterable) > it should be > value = body(value, element, iterable). > > Same things for > MethodHandle countedLoop(MethodHandle start, > MethodHandle end, > MethodHandle init, > MethodHandle body) > it should be > value = body(value, index, array); > instead of > value = body(index, value, array); > > the other loop combinators do not be to be changed. > > cheers, > Rémi > _______________________________________________ > mlvm-dev mailing list > mlvm-dev@openjdk.java.net > http://mail.openjdk.java.net/mailman/listinfo/mlvm-dev -- <http://www.oracle.com/> Dr. Michael Haupt | Principal Member of Technical Staff Phone: +49 331 200 7277 | Fax: +49 331 200 7561 Oracle Java Platform Group | LangTools Team | Nashorn Oracle Deutschland B.V. & Co. KG | Schiffbauergasse 14 | 14467 Potsdam, Germany ORACLE Deutschland B.V. & Co. KG | Hauptverwaltung: Riesstraße 25, D-80992 München Registergericht: Amtsgericht München, HRA 95603 Komplementärin: ORACLE Deutschland Verwaltung B.V. | Hertogswetering 163/167, 3543 AS Utrecht, Niederlande Handelsregister der Handelskammer Midden-Nederland, Nr. 30143697 Geschäftsführer: Alexander van der Ven, Jan Schultheiss, Val Maher <http://www.oracle.com/commitment> Oracle is committed to developing practices and products that help protect the environment
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