(C++Primer)[C++]多行注释标记原则

//多行注释嵌套原则，scanner将碰到第一个/*之后的字符//全部标记为注释，直到碰到第一个*/后结束标记，已经在注释中的/*或*/已经//失去了标记注释的作用示例:

/*comment/*c/**/*/#include <iostream>/** comment pairs /* */cannot nest.* "cannot nest" is considered source code,* as is the rest of the program*/int main(){return 0;}