sig
type 'a t
val dummy : 'a -> 'a Pattern.ObsMap.t
val get : 'a Pattern.ObsMap.t -> Pattern.id -> 'a
val set : 'a Pattern.ObsMap.t -> Pattern.id -> 'a -> unit
val fold_lefti :
(Pattern.id -> 'a -> 'b -> 'a) -> 'a -> 'b Pattern.ObsMap.t -> 'a
val map : ('a -> 'b) -> 'a Pattern.ObsMap.t -> 'b Pattern.ObsMap.t
val print :
?trailing:(Format.formatter -> unit) ->
(Format.formatter -> unit) ->
(Pattern.id -> Format.formatter -> 'a -> unit) ->
Format.formatter -> 'a Pattern.ObsMap.t -> unit
end