`sig
val iter_s : ('a -> unit Lwt.t) -> 'a list -> unit Lwt.t
val iter_p : ('a -> unit Lwt.t) -> 'a list -> unit Lwt.t
val map_s : ('a -> 'b Lwt.t) -> 'a list -> 'b list Lwt.t
val map_p : ('a -> 'b Lwt.t) -> 'a list -> 'b list Lwt.t
val rev_map_s : ('a -> 'b Lwt.t) -> 'a list -> 'b list Lwt.t
val rev_map_p : ('a -> 'b Lwt.t) -> 'a list -> 'b list Lwt.t
val fold_left_s : ('a -> 'b -> 'a Lwt.t) -> 'a -> 'b list -> 'a Lwt.t
val fold_right_s : ('a -> 'b -> 'b Lwt.t) -> 'a list -> 'b -> 'b Lwt.t
val for_all_s : ('a -> bool Lwt.t) -> 'a list -> bool Lwt.t
val for_all_p : ('a -> bool Lwt.t) -> 'a list -> bool Lwt.t
val exists_s : ('a -> bool Lwt.t) -> 'a list -> bool Lwt.t
val exists_p : ('a -> bool Lwt.t) -> 'a list -> bool Lwt.t
val find_s : ('a -> bool Lwt.t) -> 'a list -> 'a Lwt.t
val filter_s : ('a -> bool Lwt.t) -> 'a list -> 'a list Lwt.t
val filter_p : ('a -> bool Lwt.t) -> 'a list -> 'a list Lwt.t
val partition_s :
('a -> bool Lwt.t) -> 'a list -> ('a list * 'a list) Lwt.t
val partition_p :
('a -> bool Lwt.t) -> 'a list -> ('a list * 'a list) Lwt.t
end`