Function make_text

extlibs/fmt/include/fmt/compile.h:371–374

template <typename Char>
constexpr text<Char> make_text(basic_string_view<Char> s, size_t pos,
                               size_t size) {
  return {{&s[pos], size}};
}

template <typename Char, typename OutputIt, typename T,
          std::enable_if_t<std::is_integral_v<T>, int> = 0>