在swift中打印可变内存地址
发布时间:2020-12-14 04:26:29 所属栏目:百科 来源:网络整理
导读:无论如何用新的 swift语言模拟[NSString stringWithFormat:@“%p”,myVar]代码? 例如: let str = "A String"println(" str value (str) has address: ?") 解决方法 斯威夫特2 现在这是标准库的一部分:unsafeAddressOf. /// Return an UnsafePointer to
无论如何用新的
swift语言模拟[NSString stringWithFormat:@“%p”,myVar]代码?
例如: let str = "A String" println(" str value (str) has address: ?") 解决方法
斯威夫特2
现在这是标准库的一部分:unsafeAddressOf. /// Return an UnsafePointer to the storage used for `object`. There's /// not much you can do with this other than use it to identify the /// object 斯威夫特3 对于Swift 3,使用withUnsafePointer: var str = "A String" withUnsafePointer(to: &str) { print(" str value (str) has address: ($0)") } (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |