sumo/sumo_douyin_prj/Assets/Script/FrameWork/Singleton.cs

namespace Script.FrameWork
{
    public class Singleton<T> where T : new()
    {
        private static T _instance;
        
        public static T Instance
        {
            get
            {
                if (_instance == null)
                    _instance = new T();
                return _instance;
            }
        }

        public virtual void Init()
        {
        }

        public virtual void UnInit()
        {
        }
    }
}