读书笔记effective接口

读书笔记 effective c++ Item 34 区分接口继承和实现继承

看上去最为简单的(public)继承的概念由两个单独部分组成：函数接口的继承和函数模板继承。这两种继承之间的区别同本书介绍部分讨论的函数声明和函数定义之间的区别完全对应。1.类函数的三种实现作为一个类设计者，有时候你只想派生类继承...

读书笔记 effective c++ Item 18 使接口容易被正确使用，不容易被误用

1.什么样的接口才是好的接口 C++中充斥着接口：函数接口，类接口，模板接口。每个接口都是客户同你的代码进行交互的一种方法。假设你正在面对的是一些“讲道理”的人员，这些客户尝试把工作做好，他们希望能够正确使用你的接口。在这种情况...

读书笔记 effective c++ Item 41 理解隐式接口和编译期多态

1.显示接口和运行时多态面向对象编程的世界围绕着显式接口和运行时多态。举个例子，考虑下面的类（无意义的类），1 class Widget { 2 public:3 Widget();4 virtual~Widget();5 6 virtual std:size_t size()const;7 virtual void normalize...

《Effective C#》读书笔记——条目23:理解接口方法和虚方法的区别

29 } 30 } 运行输出：派生类继承基类中接口的实现其实派生类可以从基类中继承基类对接口的实现，因为派生类可以把该接口的声明成为其契约的一部分，即使它并没有实现任何该接口中成员的实现，只要类的某个公开可访问的方法与接口的签名相...

《Effective C#》读书笔记——条目22:通过定义并实现接口替代继承

接口是一种按照契约设计的方式，一个类型必须实行接口中定义的方法。抽象基类则为一组相关的类型提供了一个共有的抽象。要注意二者的使用场景和区别：基类描述了对象是什么；接口描述了对象将如何表现行为。1.关于接口接口描述了一组功能...

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