xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
is_channel_integral.hpp	4d99525703 first commit	6 月之前
math.hpp	4d99525703 first commit	6 月之前
mp11.hpp	4d99525703 first commit	6 月之前
std_common_type.hpp	4d99525703 first commit	6 月之前
type_traits.hpp	4d99525703 first commit	6 月之前