Function Join

util/string/join.h:99–103

template <typename TFirst, typename... TRest>
inline TString Join(const TStringBuf delim, const TFirst& f, const TRest&... r) {
    TString ret = ToString(f);
    AppendJoin(ret, delim, r...);
    return ret;
}

// Note that char delimeter @cdelim will be printed as single char string,
// but any char value @v will be printed as corresponding numeric code.