out참조 (변수가 좀더 필요로 할때.)

using UnityEngine;

using System.Collections;

public class ExParam : MonoBehaviour {

// Use this for initialization

void Start () {

int a1 = 10;

int b1 = 20;

int avg1 = 40;

int total = 0;

total = GetTotal(a1, b1, out avg1);

print ("total = " + total + ", avg = " + avg1);

}

int GetTotal(int a, int b, out int avg){   //out int  이렇게 선언을 꼭 해줌.

avg = (a + b) / 2;

return a + b;

}

// Update is called once per frame

void Update () {

}

}