Method UpdateParentBuf

util/string/split.h:719–724

    private:
        void UpdateParentBuf(TIterator tokenStart, TIterator tokenDelim) noexcept {
            *static_cast<TStringBufType*>(this) = MakeStringBuf<TStringBufType>(tokenStart, tokenDelim);
            if constexpr (!THasData<String>::value) {
                this->HaveToUseNextToken = false;
            }
        }

        bool DelimiterIsEmpty() const noexcept {
            return TokenDelim() == DelimiterEnd_ && !this->HaveToUseNextToken;