Lwt_engine.Versioned
class libev_1 : object ... end
Old version of Lwt_engine.libev
. The current Lwt_engine.libev
allows selecting the libev back end.
class libev_2 : ?backend:Ev_backend.t -> unit -> object ... end
Since Lwt 3.0.0, this is just an alias for Lwt_engine.libev
.