CCHet.Map
type t
val empty : t
val mem : _ Key.t -> t -> bool
val add : 'a Key.t -> 'a -> t -> t
val length : t -> int
val cardinal : t -> int
val find : 'a Key.t -> t -> 'a option
val find_exn : 'a Key.t -> t -> 'a
if the key is not in the table.
val iter : (pair -> unit) -> t -> unit
val to_seq : t -> pair sequence
val of_seq : pair sequence -> t
val add_seq : t -> pair sequence -> t
val add_list : t -> pair list -> t
val of_list : pair list -> t
val to_list : t -> pair list