module Relation:
sig
type ('a, 'b) t = ('a, 'b) Biocaml_accu.relation
('a, 'b)
('a, 'b) Biocaml_accu.relation
val create : ?n:int -> unit -> ('a, 'b) t
?n:int -> unit -> ('a, 'b) t
val add : ('a, 'b) t -> 'a -> 'b -> unit
('a, 'b) t -> 'a -> 'b -> unit
val stream : ('a, 'b) Biocaml_accu.relation -> ('a * 'b list) Stream.t
('a, 'b) Biocaml_accu.relation -> ('a * 'b list) Stream.t
val of_stream : ('a * 'b) Stream.t -> ('a, 'b) Biocaml_accu.relation
('a * 'b) Stream.t -> ('a, 'b) Biocaml_accu.relation
end