using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DataVAPI.Tool
{
    /// <summary>
    /// 单例对象基类
    /// </summary>
    /// <typeparam name="T"></typeparam>
    public class Singleton<T> where T : new()
    {
        private static object _async = new object();

        private static T _instance;

        static readonly Lazy<T> instance = new();
        /// <summary>
        /// 获取实例
        /// </summary>
        /// <returns></returns>
        public static T GetInstance()
        {
            return instance.Value;
            //lock (_async)
            //{
            //    if (null == _instance)
            //    {
            //        _instance = Activator.CreateInstance<T>();
            //    }
            //    return _instance;
            //}
        }
    }
}