The explicit cast to primitive does not result in boxing/unboxing. It is the "magic" of PolymorphicSignature which actually adjusts to allow for primitives.
On Mon, May 10, 2021 at 11:08 AM Erik Svensson <erik.svens...@nasdaq.com> wrote: > > > On 2021-05-10, 18:03, "Brett Okken" <brett.okken...@gmail.com> wrote: > > WARNING - External email; exercise caution. > > Perhaps it is an Intellij issue. The MethodHandle javadoc[1] has an > "Usage examples" section. One of the examples shows calling > List.size() (which returns an int): > > > Object x, y; String s; int i; > > MethodType mt; MethodHandle mh; > > MethodHandles.Lookup lookup = MethodHandles.lookup(); > > ... > > mt = MethodType.methodType(int.class); > > mh = lookup.findVirtual(java.util.List.class, "size", mt); > > i = (int) mh.invokeExact(java.util.Arrays.asList(1,2,3)); > > // invokeExact(Ljava/util/List;)I > > assert(i == 3); > > There is no boxing/unboxing going on here. > > But there is an explicit cast, I thought that was the unboxing? > > [1] - > https://docs.oracle.com/en/java/javase/11/docs/api/java.base/java/lang/invoke/MethodHandle.html > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org > > > ******************************************* > CONFIDENTIALITY AND PRIVACY NOTICE: This e-mail and any attachments are for > the exclusive and confidential use of the intended recipient and may > constitute non-public information. Personal data in this email is governed > by our Privacy Policy at https://www.nasdaq.com/privacy-statement unless > explicitly excluded from it; please see the section in the policy entitled > “Situations Where This Privacy Policy Does Not Apply” for circumstances where > different privacy terms govern emailed personal data. If you received this > e-mail in error, disclosing, copying, distributing or taking any action in > reliance of this e-mail is strictly prohibited and may be unlawful. Instead, > please notify us immediately by return e-mail and promptly delete this > message and its attachments from your computer system. We do not waive any > work product or other applicable legal privilege(s) by the transmission of > this message. > ******************************************* > > --------------------------------------------------------------------- > To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org > For additional commands, e-mail: dev-h...@commons.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@commons.apache.org For additional commands, e-mail: dev-h...@commons.apache.org
