Module type Flow.FLOW

module type FLOW = sig .. end
Signature for edges' flow.

type t 
Type of edges.
type label 
Type of labels on edges.
val max_capacity : label -> t
val min_capacity : label -> t
val flow : label -> t
val add : t -> t -> t
val sub : t -> t -> t
val zero : t
val compare : t -> t -> int