encoder for redis with dart

encoder.dart

encode(cmd, [List args=null]) {
  StringBuffer sb = new StringBuffer();
  sb.add("*${args.length+1}\r\n\$${cmd.length}\r\n${cmd}\r\n");
  if (args is List) {
    args.forEach((parameter) {
      sb.add("\$${parameter.length}\r\n${parameter}\r\n");
    });
  }
  
  Utils.getLogger().debug("encode = ${sb.toString()}");
  return sb.toString();
}