On Mon, Oct 27, 2025 at 8:33 PM Gabriel Dos Reis <gdr_at_[hidden]> wrote:

> [Andrei]
>
> - Ignoring a major new language feature may prove disadvantageous for
> said compiler once competing ones start supporting it.
>
>
>
> That may be true, but see attached for historical facts and an elaboration
> on that point.
>

Except that it has been repeatedly stated in this group IIUC that both
clang and gcc are already close to upstreaming their contracts support.
This would seem to break your historical analogy.

>
>
> -- Gaby
>
>
>
> *From:* Andrei Zissu <andrziss_at_[hidden]>
> *Sent:* Monday, October 27, 2025 11:16 AM
> *To:* Gabriel Dos Reis <gdr_at_[hidden]>
> *Cc:* sg15_at_[hidden]; Ville Voutilainen <
> ville.voutilainen_at_[hidden]>; sg21_at_[hidden]; Joshua Berne <
> berne_at_[hidden]>; Tom Honermann <tom_at_[hidden]>
> *Subject:* Re: [isocpp-sg15] [isocpp-sg21] P3835 -- Different contract
> checking for different libraries
>
>
>
>
>
>
>
> On Mon, Oct 27, 2025 at 8:02 PM Gabriel Dos Reis <gdr_at_[hidden]>
> wrote:
>
> [Ville]
> > It doesn't. The goal isn't to get some functionality as fast as
> > possible, but to get cohesive and correct functionality so that we
> > don't run into
> > a situation where programmers have unfortunate choices to make, and
> > then some need to deal with the support, review, policy and product
> > management consequences of those choices.
>
> 100%.
>
> Furthermore, WG21 voting something into a stack of papers does not
> magically make that thing spontaneously appear in your production compiler
> if said thing is ignored or seen as totally wacky.
>
>
>
> Ignoring a major new language feature may prove disadvantageous for said
> compiler once competing ones start supporting it.
>
>
> -- Gaby
>
> -----Original Message-----
> From: SG15 <sg15-bounces_at_[hidden]> On Behalf Of Ville Voutilainen
> via SG15
> Sent: Monday, October 27, 2025 10:38 AM
> To: andrziss_at_[hidden]
> Cc: Ville Voutilainen <ville.voutilainen_at_[hidden]>; sg21_at_[hidden];
> Joshua Berne <berne_at_[hidden]>; sg15_at_[hidden]; Tom Honermann
> <tom_at_[hidden]>
> Subject: Re: [isocpp-sg15] [isocpp-sg21] P3835 -- Different contract
> checking for different libraries
>
> On Mon, 27 Oct 2025 at 19:31, Andrei Zissu <andrziss_at_[hidden]> wrote:
> >
> > And how does having no contracts at all for at least 3 more years help
> you gain that missing functionality earlier than the current expectation?
>
> It doesn't. The goal isn't to get some functionality as fast as
> possible, but to get cohesive and correct functionality so that we
> don't run into
> a situation where programmers have unfortunate choices to make, and
> then some need to deal with the support, review, policy and product
> management consequences of those choices.
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