9.1 Introduction Preprocessor wrapper(预处理器封套) access functions(访问函数)& utility function 工具函数, also called a helper function) 类 o arguments default arguments for constructors(使用默认实参定义构造函数)包装 Destructor(析构函数) o Reference to private data 访问 °如何从类现有的对象生成新的对象? 拷贝 default memberwise assignment 0 2018, SEU. All rights reserved. 3© 2009, SEU. All rights reserved. © 2018, SEU. All rights reserved. 3 9.1 Introduction Preprocessor wrapper(预处理器封套) access functions(访问函数) & utility function (工具函数, also called a helper function) arguments & default arguments for constructors(使用默认实参定义构造函数) Destructor(析构函数) Reference to private data 如何从类现有的对象生成新的对象？ default memberwise assignment 包装 访问 拷贝 类