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Re: [std-proposals] A new C++ keyword: forget

From: Andrey Semashev <andrey.semashev_at_[hidden]>
Date: Tue, 11 Aug 2026 22:29:10 +0300
On 11 Aug 2026 22:12, Ville Voutilainen via Std-Proposals wrote:
> On Tue, 11 Aug 2026 at 22:11, Henry Skoglund via Std-Proposals
> <std-proposals_at_[hidden]> wrote:
>>
>> On 2026-08-11 21:05, Simon Schröder wrote:
>>> This reminds me (in case you are continuing with the proposal): You should discuss if once a variable has been poisoned, if the same name can be reused for a different variable.
>> Hi, once poisoned I think it should not be allowed to be reused. I.e.
>> issue a compiler error like:
>> double raw;
>> forget raw;
>> int raw; // <--- error: raw is forgotten and cannot be resurrected
>
> Exactly. Make name lookup still find the name, but make it an error to
> find a poisoned name.

Then "forget" is not the right word, since the name is clearly not
forgotten.

Received on 2026-08-11 19:29:21