kotlin实现单例

/**
 * 功能：单例实现
 */
class Singleton private constructor() {
    companion object {
        val instance by lazy(mode = LazyThreadSafetyMode.SYNCHRONIZED) {
            Singleton()
        }
    }
}

 

来源：oschina

链接：https://my.oschina.net/u/4391429/blog/4334561