xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
closure.hpp	4d99525703 first commit	6 月之前
closure_context.hpp	4d99525703 first commit	6 月之前
closure_fwd.hpp	4d99525703 first commit	6 月之前
parametric.hpp	4d99525703 first commit	6 月之前
typeof.hpp	4d99525703 first commit	6 月之前