基础知识

std::any

 - https://mp.weixin.qq.com/s/PC9dZt91gUeXzqKOLVP-1w

std::variant

 - https://mp.weixin.qq.com/s?__biz=MzAwNjExNTU1MQ==&mid=2247484703&idx=1&sn=a751ebe9538cbb51e5f00af6fd110c40&chksm=9b131cafac6495b92c256d89994ad43174cf68d64bc98283e00a36c30786d82073d9b147737e&cur_album_id=3676814964519157765&scene=190#rd

std::tuple

 - https://mp.weixin.qq.com/s?__biz=MzAwNjExNTU1MQ==&mid=2247484702&idx=1&sn=1e4d89639936e4fff9b52951c93f827e&chksm=9b131caeac6495b8b896ad8a66c45f068c7a600d430e4dc3d48314b2646ead45295dcc33e331&cur_album_id=3676814964519157765&scene=190#rd

decltype

 - https://mp.weixin.qq.com/s?__biz=MzAwNjExNTU1MQ==&mid=2247484544&idx=1&sn=dd08fb880c18e4b03e86b5e11f432821&chksm=9b131d30ac64942652d03d952c3b2b70ce78c8293fa23a169eaec5ce9d8811ca975f79a2d915&cur_album_id=3676814964519157765&scene=190#rd

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格式化代码

 - find . -type f -name "*.cpp" -o -name "*.h" -name "*.hpp" | xargs clang-format -i