    # File lib/core-uncommon/facets/module/instance_function.rb, line 30
      def instance_function(*meths)
        this = self
        if meths.empty?
          extend InstanceFunction
        else
          meths.each do |meth|
            module_eval do
              define_method(meth) do |*args|
                this.__send__(meth, self, *args)
              end
            end
            ##class_eval %{
            ##  def #{meth}(*args)
            ##    #{self.name}.#{meth}(self,*args)
            ##  end
            ##}
          end
        end
      end