Function WrapJsonToCallback

library/cpp/json/writer/json.cpp:491–497

    }

    TString WrapJsonToCallback(const TBuf& buf, TStringBuf callback) {
        if (!callback) {
            return buf.Str();
        } else {
            return TString::Join(callback, "(", buf.Str(), ")");
        }
    }

    TBufState TBuf::State() const {
        return TBufState{NeedComma, NeedNewline, Stack};