sig
type key
type +'a t
val empty : 'a t
val is_empty : 'a t -> bool
val mem : key -> 'a t -> bool
val add : key -> 'a -> 'a t -> 'a t
val singleton : key -> 'a -> 'a t
val remove : key -> 'a t -> 'a t
val merge :
(key -> 'a option -> 'b option -> 'c option) -> 'a t -> 'b t -> 'c t
val union : (key -> 'a -> 'a -> 'a option) -> 'a t -> 'a t -> 'a t
val compare : ('a -> 'a -> int) -> 'a t -> 'a t -> int
val equal : ('a -> 'a -> bool) -> 'a t -> 'a t -> bool
val iter : (key -> 'a -> unit) -> 'a t -> unit
val fold : (key -> 'a -> 'b -> 'b) -> 'a t -> 'b -> 'b
val for_all : (key -> 'a -> bool) -> 'a t -> bool
val exists : (key -> 'a -> bool) -> 'a t -> bool
val filter : (key -> 'a -> bool) -> 'a t -> 'a t
val partition : (key -> 'a -> bool) -> 'a t -> 'a t * 'a t
val cardinal : 'a t -> int
val bindings : 'a t -> (key * 'a) list
val min_binding : 'a t -> key * 'a
val max_binding : 'a t -> key * 'a
val choose : 'a t -> key * 'a
val split : key -> 'a t -> 'a t * 'a option * 'a t
val find : key -> 'a t -> 'a
val map : ('a -> 'b) -> 'a t -> 'b t
val mapi : (key -> 'a -> 'b) -> 'a t -> 'b t
val get : key -> 'a t -> 'a option
val get_or : key -> 'a t -> default:'a -> 'a
val update : key -> ('a option -> 'a option) -> 'a t -> 'a t
val merge_safe :
f:(key -> [ `Both of 'a * 'b | `Left of 'a | `Right of 'b ] -> 'c option) ->
'a t -> 'b t -> 'c t
val of_seq : (key * 'a) CCMap.sequence -> 'a t
val add_seq : 'a t -> (key * 'a) CCMap.sequence -> 'a t
val to_seq : 'a t -> (key * 'a) CCMap.sequence
val of_list : (key * 'a) list -> 'a t
val add_list : 'a t -> (key * 'a) list -> 'a t
val keys : 'a t -> key CCMap.sequence
val values : 'a t -> 'a CCMap.sequence
val to_list : 'a t -> (key * 'a) list
val pp :
?start:string ->
?stop:string ->
?arrow:string ->
?sep:string ->
key CCMap.printer -> 'a CCMap.printer -> 'a t CCMap.printer
end