xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
impl	4d99525703 first commit	6 月之前
for.hpp	4d99525703 first commit	6 月之前
if.hpp	4d99525703 first commit	6 月之前
lazy.hpp	4d99525703 first commit	6 月之前
rule_alias.hpp	4d99525703 first commit	6 月之前
select.hpp	4d99525703 first commit	6 月之前
stored_rule.hpp	4d99525703 first commit	6 月之前
stored_rule_fwd.hpp	4d99525703 first commit	6 月之前
switch.hpp	4d99525703 first commit	6 月之前
typeof.hpp	4d99525703 first commit	6 月之前
while.hpp	4d99525703 first commit	6 月之前