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Tue, 24 Jul 2018 15:55:57 -0700 (PDT) X-BeenThere: std-proposals@isocpp.org Original-Received: by 2002:a25:3bce:: with SMTP id i197-v6ls1609788yba.17.gmail; Tue, 24 Jul 2018 15:55:56 -0700 (PDT) X-Received: by 2002:a25:5f4a:: with SMTP id h10-v6mr329955ybm.5.1532472956350; Tue, 24 Jul 2018 15:55:56 -0700 (PDT) In-Reply-To: <363df3db-b747-449f-b95d-81d15b6c3842@isocpp.org> X-Original-Sender: inkwizytoryankes@gmail.com Precedence: list Mailing-list: list std-proposals@isocpp.org; contact std-proposals+owners@isocpp.org List-ID: X-Spam-Checked-In-Group: std-proposals@isocpp.org X-Google-Group-Id: 399137483710 List-Post: , List-Help: , List-Archive: List-Subscribe: , List-Unsubscribe: , Xref: news.gmane.org gmane.comp.lang.c++.isocpp.proposals:39384 Archived-At: ------=_Part_9352_1102128798.1532472955786 Content-Type: multipart/alternative; boundary="----=_Part_9353_752563752.1532472955787" ------=_Part_9353_752563752.1532472955787 Content-Type: text/plain; charset="UTF-8" On Tuesday, July 24, 2018 at 8:36:02 PM UTC+2, Nicol Bolas wrote: > > On Tuesday, July 24, 2018 at 1:52:21 PM UTC-4, Niall Douglas wrote: >> >> Well, that leaves me with egg on my face. The proposal certainly makes >>>> more sense given what you've said. On a similar note, then, what would this >>>> do to our constexpr? >>>> >>> >>> It's a C proposal; it doesn't interact with `constexpr`. Indeed, one of >>> its biggest flaws is that it doesn't allow for inter-operation with C++ >>> static exceptions at all, despite being in part based on the same principle. >>> >> >> My _Fails() proposal does however work in constexpr, >> > > `_Fails()` is not valid C++, and `constexpr` is not valid C. How can they > work with one another? Unless you're proposing to add `_Fails()` to C++, > which I think would be a rather hard sell. > Why not? C++ inhered multiple things from C, this could be another one. If Niall define this functionality in compatible way for C++ then we need only add one paragraph that "behavior of C exceptions from C2x work same way in C++2y" and another one how glue both. I would even go further and build C++ exception on top of C as syntax sugar but this probably is not direction that Niall is going. -- You received this message because you are subscribed to the Google Groups "ISO C++ Standard - Future Proposals" group. To unsubscribe from this group and stop receiving emails from it, send an email to std-proposals+unsubscribe@isocpp.org. To post to this group, send email to std-proposals@isocpp.org. To view this discussion on the web visit https://groups.google.com/a/isocpp.org/d/msgid/std-proposals/76fcc1f3-6d58-409c-824e-47af1c49d3ec%40isocpp.org. ------=_Part_9353_752563752.1532472955787 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable


On Tuesday, July 24, 2018 at 8:36:02 PM UTC+2, Nic= ol Bolas wrote:
On Tuesday, July 24, 2018 at 1:52:21 PM UTC-4, Niall Douglas wrote:
Well, that leaves me with egg on my face.= The proposal certainly makes more sense given what you've said. On a s= imilar note, then, what would this do to our constexpr?

It's a C proposal; it doesn't interact wit= h `constexpr`. Indeed, one of its biggest flaws is that it doesn't allo= w for inter-operation with C++ static exceptions at all, despite being in p= art based on the same principle.

My _Fails() proposal does however work in constexpr,

`_Fails()` is not valid C++, and `constexpr` is= not valid C. How can they work with one another? Unless you're proposi= ng to add `_Fails()` to C++, which I think would be a rather hard sell.

Why not? C++ inhered multiple thin= gs from C, this could be another one. If Niall define this functionality in= compatible way for C++ then we need only add one paragraph that "beha= vior of C exceptions from C2x work same way in C++2y" and another one = how glue both. I would even go further and build C++ exception on top of C = as syntax sugar but this probably is not direction that Niall is going.
=

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