a non-sharing smart pointer class that can be used with STL containers such as std::map, vector, list, set, and deque. The smart pointer has an assignment operator and greater than operator that call the target object s operator.-a non-sharing smart

智能指针的原理， 简单易懂， 不懂的同学可以看看源码， 调试一下。-The principle of the smart pointer, easy-to-read, the students do not look at the source, click Debugging.

C++中的自动内存管理。利用的是smart pointer，通过引用计数，将垃圾自动处理。这只是一个简单的处理。-C++, automatic memory management. Use the smart pointer, by reference counting, garbage automatically. This is just a simple process.