The JVM is just one of the backends, but it's fallen a bit by the wayside during the current effort to get 6.0 out on MoarVM.
I expected that there's some interoperability layer for the host JVM
There is, but I'm unaware of proper documentation. For now, you might want to take a look at https://github.com/rakudo/rakudo/blob/nom/t/03-jvm/01-intero...
The JVM is just one of the backends, but it's fallen a bit by the wayside during the current effort to get 6.0 out on MoarVM.
I expected that there's some interoperability layer for the host JVM
There is, but I'm unaware of proper documentation. For now, you might want to take a look at https://github.com/rakudo/rakudo/blob/nom/t/03-jvm/01-intero...