包括三个例子：1.C++流操纵器举例；2.内存泄漏检测类；3.一个重载所有操作符的例子；-including three examples : 1.C flow controls, for example; 2. Memory Leak Detection; 3. An operator overloading all examples;

检测释放内存时不使用[]符号，程序是否有内存泄漏。-Not release memory when using the detection [] symbols, whether the program has a memory leak.