ref: dbf04d054d0fc04385c766ced8e0f3b3edd120e8 dir: /lib/thread/spawn+netbsd.myr/
use std pkg thread = type tid = uint64 const spawn : (fn : (-> void) -> std.result(tid, byte[:])) ;; const spawn = {fn std.die("unimplemented\n") -> `std.Err "fuck" }