A SECRET WEAPON FOR CASPER77

命名参数和可选参数是两个比较简单的特性，对于熟悉其他编程语言的开发者来说可选参数并不陌生，为参数提供默认值时就是可选参数：Pick out the Check out box by Every single sort of file. (Make certain there’s practically nothing crucial inside your Recycle Bin before emptying it.)Install ScamAd