On Sun, Jun 6, 2021 at 3:20 PM Wolfgang Corcoran-Mathe <[email protected]>
wrote:

>
> If I understand correctly, the core of the problem is that the
> expectation that "you, the programmer, know there are no other live
> references to the value passed to the procedure" is unreasonable,
> unless the library provides guarantees or adheres rigidly to the
> (awful) "always copy everything" protocol.  (Please correct that
> if I've misunderstood.)
>

Yes, that's my understanding, too.

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