xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 月之前
..
adapt_deref_traits.hpp	4d99525703 first commit	6 月之前
adapt_value_traits.hpp	4d99525703 first commit	6 月之前
advance.hpp	4d99525703 first commit	6 月之前
distance.hpp	4d99525703 first commit	6 月之前
segment_sequence.hpp	4d99525703 first commit	6 月之前
segmented_equal_to.hpp	4d99525703 first commit	6 月之前
segmented_iterator.hpp	4d99525703 first commit	6 月之前
segmented_next_impl.hpp	4d99525703 first commit	6 月之前