# File lib/em-redis/redis_protocol.rb, line 237
      def msetnx(*args, &blk)
        hsh = args.pop if Hash === args.last
        if hsh
          call_command(hsh.to_a.flatten.unshift(:msetnx), &blk)
        else
          call_command(args.unshift(:msetnx), &blk)
        end
      end