- all_hosts = (hosts cfg) `mappend` (OC.hosts opt_cfg)
- all_lists = (lists cfg) `mappend` (OC.lists opt_cfg)
+ hs = OC.merge_monoid (hosts cfg) (OC.hosts opt_cfg)
+ ls = OC.merge_monoid (lists cfg) (OC.lists opt_cfg)
+ t = OC.merge_maybe (threshold cfg) (OC.threshold opt_cfg)