sig
type ('k, 'v) t = ('k, 'v) Multi_map.t
val t_of_sexp :
(Sexplib.Sexp.t -> 'a) ->
(Sexplib.Sexp.t -> 'b) -> Sexplib.Sexp.t -> ('a, 'b) t
val sexp_of_t :
('a -> Sexplib.Sexp.t) ->
('b -> Sexplib.Sexp.t) -> ('a, 'b) t -> Sexplib.Sexp.t
val empty : ('k, 'v) t
val singleton : 'k -> 'v -> ('k, 'v) t
val is_empty : ('k, 'v) t -> bool
val add : key:'k -> data:'v -> ('k, 'v) t -> ('k, 'v) t
val find : ('k, 'v) t -> 'k -> 'v list
val remove : ('k, 'v) t -> 'k -> ('k, 'v) t
val set : key:'k -> data:'v list -> ('k, 'v) t -> ('k, 'v) t
val mem : ('k, 'v) t -> 'k -> bool
val keys : ('k, 'v) t -> 'k list
val iter : f:(key:'k -> data:'v -> unit) -> ('k, 'v) t -> unit
val map : f:('a -> 'b) -> ('k, 'a) t -> ('k, 'b) t
val mapi : f:(key:'k -> data:'a -> 'b) -> ('k, 'a) t -> ('k, 'b) t
val fold : f:(key:'k -> data:'v -> 'a -> 'a) -> ('k, 'v) t -> init:'a -> 'a
val filter : f:(key:'k -> data:'v -> bool) -> ('k, 'v) t -> ('k, 'v) t
val reduce :
f:('v list -> 'r) -> ('k, 'v) t -> ('k, 'r) Core.Std.Map.Poly.t
end