摘要：
C++ 智能指针 https://www.cnblogs.com/sunsky303/p/16497592.html https://cloud.tencent.com/developer/article/2101824 https://blog.csdn.net/cpp_learner/artic 阅读全文
摘要：
C++中的类型转换 https://cloud.tencent.com/developer/article/2164386 https://www.rowlet.info/post/7#1. static_cast https://www.cnblogs.com/linuxAndMcu/p/1038 阅读全文
