Module type Graph__Contraction.G

Minimal graph signature for edge contraction algorithm

type t
module V : Graph.Sig.COMPARABLE
type vertex = V.t
module E : Graph.Sig.EDGE with type vertex = vertex
type edge = E.t
val empty : t
val add_edge_e : t -> edge -> t
val fold_edges_e : (edge -> 'a -> 'a) -> t -> 'a -> 'a
val fold_vertex : (vertex -> 'a -> 'a) -> t -> 'a -> 'a