【Unity】Warning CS0649が出る場合の対応(is never assigned to, and will always have its default value 0) #Unity

環境メモ
⭐️Mac OS Mojave バージョン10.14
⭐️Unity 2018.2.15f1

以下のエラーになる場合

DestroyScript.cs(28,28):
Warning CS0649: Field 'DestroyScript.life' is never assigned to, and will always have its default value 0 (CS0649) (Assembly-CSharp)

#pragma warning disable 0649

を追加すればOK

DestroyScript

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

/*
 * Prefabsの「bullet」と「HitParticles」
 */
public class DestroyScript : MonoBehaviour {
#pragma warning disable 0649
    [SerializeField] float life;
    void Start () {
        // 球のゲームオブジェクトを破棄する
        Destroy(gameObject, life);
    }
}