Sourceval iter : (key -> 'a -> unit) -> 'a t -> unit Sourceval filter_map_inplace : (key -> 'a -> 'a option) -> 'a t -> unit Sourceval fold : (key -> 'a -> 'acc -> 'acc) -> 'a t -> 'acc -> 'acc Sourceval stats : 'a t -> Stdlib__Hashtbl.statistics