On Wed, 12 Aug 2026 at 17:42, Andrey Semashev via Std-Proposals
<std-proposals_at_[hidden]> wrote:
>
> On 12 Aug 2026 17:04, Ville Voutilainen via Std-Proposals wrote:
> > On Wed, 12 Aug 2026 at 16:52, Udo Steinbach via Std-Proposals
> > <std-proposals_at_[hidden]> wrote:
> >>
> >> Again: Benefit?
> >> I don't see an answer on the most important question.
> >
> > Three relatively-concrete use cases come to mind:
> > 1) poisoning a variable after it's been moved from
> > 2) poisoning a task graph after it's been launched (which in Senders
> > is also a move, but elsewhere might not be)
> > 3) poisoning a task completion after its result has been received
>
> None of these require a permanent ban of the name.

What do you mean by "permanent ban of the name"?

It's poisoned within a scope. Once that scope exits, there is no remaining
permaban.