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Re: [std-proposals] Proposal: std::obj_from_dmbr

From: Michael Scire <sciresm_at_[hidden]>
Date: Sun, 21 Aug 2022 16:36:17 -0700
I e-mailed std::proposals about this last year
(std::parent_of_member/std::containing_object_of_member), and got as far as
writing a proposal paper, though I got too busy to submit it as a
P-numbered proposal/etc.

See here:

I am still interested in submitting the above, and it's the same
fundamental operation you're requesting here.

On Sun, Aug 21, 2022 at 4:23 PM Phil Bouchard via Std-Proposals <
std-proposals_at_[hidden]> wrote:

> On 8/21/22 19:10, Walt Karas wrote:
> Yes I'd bet big this technique is an often reinvented wheel.
> Why do you prefer two static casts involving void * over a reinterpret
> cast? Also, your C style cast is really a reinterpret cast. I think the
> reason for having reinterpret cast is that it's a (greppable) warning that
> something is dangerous. And this technique is fairly dangerous, mistakes
> can elude static checking.
> Yeah I just got the habit of not using any reinterpret_casts from the
> Boost community standards, so it's just another way of writing them down.
> And I wasn't sure how alignments and little to big endian machines would
> convert them.
> Sent from Yahoo Mail on Android
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> On Sun, Aug 21, 2022 at 4:38 PM, Phil Bouchard via Std-Proposals
> <std-proposals_at_[hidden]> <std-proposals_at_[hidden]> wrote:
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Received on 2022-08-21 23:36:57