xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 달 전
..
detail	4d99525703 first commit	6 달 전
bad_optional_access.hpp	4d99525703 first commit	6 달 전
optional.hpp	4d99525703 first commit	6 달 전
optional_fwd.hpp	4d99525703 first commit	6 달 전
optional_io.hpp	4d99525703 first commit	6 달 전