constexpr SimpleFixedString()

in cxx/fbjni/detail/SimpleFixedString.h [234:245]


  constexpr SimpleFixedString(const SimpleFixedString<M>& that, std::size_t pos, std::size_t count) noexcept(false)
      : SimpleFixedString{
            that.data_,
            that.size_,
            std::make_index_sequence<(M < N ? M : N)>{},
            pos,
            detail::fixedstring::checkOverflow(
                detail::fixedstring::checkOverflowOrNpos(
                    count,
                    that.size_ -
                        detail::fixedstring::checkOverflow(pos, that.size_)),
                N)} {}