sig
type t
val name : string
val compare : t -> t -> int
val pair : t -> t -> t
val of_string : string -> t
val to_string : t -> string
val print : ?oc:out_channel -> t -> unit
val print_ : ?oc:out_channel -> t -> unit
type node
type label
val origin : t -> Edges.EDGE_TYPE.node
val terminus : t -> Edges.EDGE_TYPE.node
val label : t -> Edges.EDGE_TYPE.label
val make :
Edges.EDGE_TYPE.node ->
Edges.EDGE_TYPE.node -> Edges.EDGE_TYPE.label -> t
val label_compare : Edges.EDGE_TYPE.label -> Edges.EDGE_TYPE.label -> int
val to_dotstring : t -> string
end