On 2021-05-10, 18:03, "Brett Okken" <[email protected]> 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
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