Function as_writable_bytes

include/experimental/span.hpp:247–252

}

template <class T, size_t N> auto as_writable_bytes(span<T, N> s) noexcept {
  constexpr size_t NewExtend =
      (N == dynamic_extent ? dynamic_extent : sizeof(T) * N);
  return span<std::byte, NewExtend>(reinterpret_cast<std::byte *>(s.data()),
                               s.size_bytes());
}

} // namespace cxx20