Function remove_last_char

src/brpc/restful.cpp:30–35

extern bool is_url_char(char c);

inline butil::StringPiece remove_last_char(butil::StringPiece s) {
    if (!s.empty()) {
        s.remove_suffix(1);
    }
    return s;
}

std::ostream& operator<<(std::ostream& os, const RestfulMethodPath& p) {
    if (!p.service_name.empty()) {