lib/graph/graph.rb

   1 require 'ostruct'
   2
   3 module Graph
   4   class Graph < OpenStruct
   5     def initialize
   6       super
   7       self.edges = Array.new
   8       self.vertices = Array.new
   9       self
  10     end
  11
  12     def <<(other)
  13       if other.class == Vertex
  14         self.vertices << other
  15       elsif
  16         self.edges << other
  17       end
  18       self
  19     end
  20   end
  21 end