On 2021-05-10, 17:14, "Brett Okken" <[email protected]> wrote:
WARNING - External email; exercise caution.
> Secondly, MethodHandle.invokeExact() takes and returns an object so
there's a boxing/unboxing involved as well (as the Math/FastMath methods
returns primitives).
There is "magic" going on here that actually avoids boxing. You
can/should cast directly to the primitive type. That is what the
PolymorphicSignature annotation means.
@HotSpotIntrinsicCandidate
public final native @PolymorphicSignature Object
invokeExact(Object... args) throws Throwable;
While I don't do an explicit boxing on calling, there's an explicit unboxing on
the return. The compiler barfs if it's not there or maybe it's just Intellij?
/Erik
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