# File lib/rgl/adjacency.rb, line 51
51:     def initialize_copy(orig)
52:       @vertice_dict = orig.instance_eval{@vertice_dict}.dup
53:       @vertice_dict.keys.each do |v|
54:         @vertice_dict[v] = @vertice_dict[v].dup
55:       end
56:     end