class Redis::Distributed

def _eval(cmd, args) 

def _eval(cmd, args)
  script = args.shift
  options = args.pop if args.last.is_a?(Hash)
  options ||= {}
  keys = args.shift || options[:keys] || []
  argv = args.shift || options[:argv] || []
  ensure_same_node(cmd, keys) do |node|
    node.send(cmd, script, keys, argv)
  end
end