C++学习笔记01(自学草稿)

C++千锋课程

1.6.7 引用：

void test167() {// 基本语法// Type& ref = val;int num = 10;int &a = num;cout << "num = " << num << "; a = " << a << endl;cout << "&num = " << &num << "; &a = " << &a << endl;a = 100;cout << "num = " << num << "; a = " << a << endl;num = 20;cout << "num = " << num << "; a = " << a << endl;cout << "num ==== a ==== " << endl;
}

6.10引用的本质

所谓的引用，其实本质来讲就是一个指针常量.

6.11 常量的引用