down

# File lib/rubygems/resolver/molinillo/lib/molinillo/dependency_graph/detach_vertex_named.rb, line 37
      def down(graph)
        return unless @vertex
        graph.vertices[@vertex.name] = @vertex
        @vertex.outgoing_edges.each do |e|
          e.destination.incoming_edges << e
        end
        @vertex.incoming_edges.each do |e|
          e.origin.outgoing_edges << e
        end
      end