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type key = IntPair.t
type !'a t = 'a Map.Make(IntPair).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 update : key -> ('a option -> 'a option) -> '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 cardinal : 'a t -> int
val bindings : 'a t -> (key * 'a) list
val min_binding : 'a t -> key * 'a
val min_binding_opt : 'a t -> (key * 'a) option
val max_binding : 'a t -> key * 'a
val max_binding_opt : 'a t -> (key * 'a) option
val choose : 'a t -> key * 'a
val choose_opt : 'a t -> (key * 'a) option
val split : key -> 'a t -> 'a t * 'a option * 'a t
val find : key -> 'a t -> 'a
val find_opt : key -> 'a t -> 'a option
val find_first : (key -> bool) -> 'a t -> key * 'a
val find_first_opt : (key -> bool) -> 'a t -> (key * 'a) option
val find_last : (key -> bool) -> 'a t -> key * 'a
val find_last_opt : (key -> bool) -> 'a t -> (key * 'a) option
val map : ('a -> 'b) -> 'a t -> 'b t
val mapi : (key -> 'a -> 'b) -> 'a t -> 'b t
val to_seq : 'a t -> (key * 'a) Stdlib.Seq.t
val to_rev_seq : 'a t -> (key * 'a) Stdlib.Seq.t
val to_seq_from : key -> 'a t -> (key * 'a) Stdlib.Seq.t
val add_seq : (key * 'a) Stdlib.Seq.t -> 'a t -> 'a t
val of_seq : (key * 'a) Stdlib.Seq.t -> 'a t
exception Not_disjoint of key * string
val filterv : ('a -> bool) -> 'a t -> 'a t

filter by value

val size : 'a t -> int

the number of distinct keys in the map

val to_alist : 'a t -> (key * 'a) list

convert the map to an association list

val from_alist : (key * 'a) list -> 'a t

construct a map from an association list

val to_list : (key -> 'a -> 'b) -> 'a t -> 'b list

construct a list from a map

val megamap : ((key * 'a) -> key * 'b) -> 'a t -> 'b t
val pop : key -> 'a t -> 'a * 'a t

remove the item with the given key from the map and return the remainder.

val lookup : key -> 'a t -> 'a option

remove the item with the given key from the map and return the remainder.

as `find', but return an option instead of raising an exception

val union_disjoint : 'a t -> 'a t -> 'a t

disjoint union

val union_all : 'a t list -> 'a t

disjoint union of a list of maps

val superimpose : 'a t -> 'a t -> 'a t

Extend the second map with the first

val split_paired : ('a * 'b) t -> 'a t * 'b t

split a pair map into a pair of maps

val partition : (key -> 'a -> bool) -> 'a t -> 'a t * 'a t

divide the map by a predicate

val filter : (key -> 'a -> bool) -> 'a t -> 'a t

filters using both keys and values

val filter_map : (key -> 'a -> 'b option) -> 'a t -> 'b t

filters and applies a function -- None values discarded

val show : (Stdlib.Format.formatter -> 'a -> unit) -> 'a t -> string
val pp : (Stdlib.Format.formatter -> 'a -> unit) -> Stdlib.Format.formatter -> 'a t -> unit
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