Error Message

I am trying to use an ir library receiving demo that I found online and it looks goo but i keep getting this error message: Arduino: 1.6.7 (Mac OS X), Board: “Arduino/Genuino Uno”

/Users/hudsonchromy/Downloads/Arduino.app/Contents/Java/libraries/RobotIRremote/src/IRremoteTools.cpp:5:16: error: ‘TKD2’ was not declared in this scope
int RECV_PIN = TKD2; // the pin the IR receiver is connected to
^
exit status 1
Error compiling.

and the code I am using is:

/*
 * IRremote: IRrecvDemo - demonstrates receiving IR codes with IRrecv
 * An IR detector/demodulator must be connected to the input RECV_PIN.
 * Version 0.1 July, 2009
 * Copyright 2009 Ken Shirriff
 * http://arcfn.com
 */

#include <IRremote.h>

int RECV_PIN = 6;
IRrecv irrecv(RECV_PIN);

decode_results results;

void setup()
{
  Serial.begin(9600);
  irrecv.enableIRIn(); // Start the receiver
}

void loop() {
  if (irrecv.decode(&results)) {
    Serial.println(results.value, HEX);
    irrecv.resume(); // Receive the next value
  }
  delay(100);
}

I would love any advice you can offer!

I would love any advice you can offer!

I seriously doubt that!

This particular error message has been discussed many times. You obviously couldn't be bothered to search for it.

The solution is always the same. If you don't have an Arduino robot, delete the damned file that won't compile.