Method WriteNull

library/cpp/json/ordered_maps/json_ordered.cpp:223–226

    }

    TValueContext TBuf::WriteNull() {
        UnsafeWriteValue(TStringBuf("null"));
        return TValueContext(*this);
    }

    TValueContext TBuf::WriteBool(bool b) {
        constexpr TStringBuf trueVal = "true";