August 2021
Intermediate to advanced
450 pages
6h 57m
Chinese
Content preview from C++程序设计语言（第4部分：标准库）（原书第4版）
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32.7 最大值和最小值
这是一组在很多场景中都很有用的值比较算法：
如果比较两个左值，返回的是指向结果的引用；否则，返回一个右值。但是，接受左值的版本接受的是const左值，因此你永远不能修改这些函数的返回结果。例如：
_element系列函数返回迭代器，minmax函数返回pair，因此我们可以这样编写代码：
由于我的机器采用ASCII字符编码，因此这个小测试程序会输出：
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