Changes for version 0.59 - 2022-09-23

    • Fix broken Future->get method resolution on recent Future + Future::XS experiments
    • Fix hax/ for "NULL OP IN RUN" messages
    • Make t/31destroy.t less fragile in the case of non-HASH Future instances
    • Back-compat to perl 5.16 by passing `flags` arg to `cv_copy_flags` (RT143742)


deferred subroutine syntax for futures
the interface required by Future::AsyncAwait
conformance tests for awaitable role API