// Source code example for "A Practical Introduction
// to Data Structures and Algorithm Analysis"
// by Clifford A. Shaffer, Prentice Hall, 1998.
// Copyright 1998 by Clifford A. Shaffer

class KruskalElem implements Elem {
  private Edge edge;
  private Graph G;

  public KruskalElem(Graph inG, Edge w) { G = inG; edge = w; }
  public int key() { return G.weight(edge); }
  public Edge edge() { return edge; }
} // class KruskalElem