On Sun, Oct 2, 2022 at 11:23 PM Jason McKesson via Std-Proposals <std-proposals@lists.isocpp.org> wrote:
On Sun, Oct 2, 2022 at 10:37 AM blacktea hamburger via Std-Proposals
<std-proposals@lists.isocpp.org> wrote:
>
> However, the implicitly created object does end the lifetime of the original char objects. Although it can be accessed by char, the result of the access is no longer the original char objects' value (it's also not accessed by char).
>
> No copies are made in the code, which requires std::bit_cast or std::start_lifetime_as, which makes a change instead of a copy.

Oh, and it's important to remember [intro.object]/3: When you create
an object in a byte array (though it requires `unsigned char` or
`std::byte`, so the P0593 example used the wrong type)
 
That's CWG2489.

Thank you for your explanation!