C# 泛型懒汉单例类

C# 泛型懒汉单例类

using System;namespace SingletonHepler
{public sealed class Singleton<T> where T : class, new(){private static readonly Lazy<T> _instance = new Lazy<T>(() => new T());public static T Instance => _instance.Value;// 防止外部初始化private Singleton() { }}
}