ref: 01d9c59aa0f27db7bd3b9b8c1978c9a65c5e60a0 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" }