eio
Domain_manager.Pi
eio.core
eio.mock
eio.runtime_events
eio.unix
eio.utils
module type MGR = sig ... end
type Resource.pi +=
| Mgr : ('t, (module MGR with type t = 't), [> ty ]) Resource.pi
val mgr : (module MGR with type t = 't) -> ('t, ty) Resource.handler