C++ Logo

sg16

Advanced search

Re: [isocpp-lib-ext] LEWG(I) (Bi)Weekly review - P2510R0: Formatting pointers

From: Victor Zverovich <victor.zverovich_at_[hidden]>
Date: Sat, 12 Feb 2022 07:02:26 -0800
As an option we could remove the more "controversial" locale part. '0' and
'P' seem OK and there were some requests for the former.

BTW is there an implementation?

- Victor

On Fri, Feb 11, 2022 at 3:29 PM Victor Zverovich <victor.zverovich_at_[hidden]>
wrote:

> I didn't say that I *like* the locale part. I agree that it's a bit hacky
> but I didn't feel strongly enough to object to the whole paper, just called
> it out.
>
> - Victor
>
> On Fri, Feb 11, 2022 at 2:28 PM Peter Dimov <pdimov_at_[hidden]> wrote:
>
>> I now officially can't tell when Victor will like a <format> addition or
>> not.
>>
>> Allowing locale-dependent printing of pointers in order to get a more
>> readable representation seems a hack to me. If the user goal is a
>> more readable pointer representation, we should be providing a direct
>> way to obtain it, not something that abuses the localization mechanism
>> to achieve it indirectly.
>>
>> > -----Original Message-----
>> > From: Lib-Ext <lib-ext-bounces_at_[hidden]> On Behalf Of Victor
>> > Zverovich via Lib-Ext
>> >
>> > +1
>> >
>> > (Localized formatting of pointers is slightly unorthodox but I see the
>> value for
>> > readability.)
>> >
>> > Thanks, Mark, for writing this paper.
>> >
>> >
>> > Cheers,
>> > Victor
>> >
>> >
>> > On Thu, Feb 10, 2022 at 3:41 PM Inbal Levi via Lib-Ext <lib-
>> > ext_at_[hidden] <mailto:lib-ext_at_[hidden]> > wrote:
>> >
>> >
>> > Hello LEWG (CCing SG16),
>> > With the design phase of C++23 behind us, we will continue to
>> process
>> > issues and minor changes targeting C++23. The majority of them will
>> target
>> > electronic poll directly (as is the following paper)
>> >
>> >
>> > P2510R0 <https://wg21.link/P2510R0> : Formatting pointers
>> >
>> > By: Mark de Wever
>> >
>> > ***
>> >
>> > From the Abstract:
>> > The number of formatting options for pointer types is limited when
>> > compared to integer types. Since the formatting options are already
>> > implemented for integer types, some of these restrictions seem
>> unnecessary
>> > and inconsistent. This paper aims to make formatting pointer types more
>> > useful, reducing the need for users to write their own formatters or
>> casting a
>> > pointer type to an integer type.
>> >
>> >
>> >
>> > Some meta data:
>> >
>> > * The paper mentions two issues:
>> >
>> > * LWG3612 <
>> https://cplusplus.github.io/LWG/issue3612>
>> > (voted into WD in latest plenary P2531R0
>> > <https://wiki.edg.com/pub/Wg21virtual2022-02/StrawPolls/p2531r0.html> )
>> >
>> > * LWG3644 <
>> https://cplusplus.github.io/LWG/issue3644>
>> > (LWG's priority 2 - important bug)
>> >
>> >
>> > * The paper contains a Tony-table. (Section 2)
>> > * The paper contains wording, as well as updates
>> > `__cpp_lib_format`. (Section 4)
>> > * Please vote with +1 if you support passing the paper to
>> electronic
>> > poll.
>> > (assuming remarks which comes up in the thread will be
>> > addressed / implemented)
>> >
>> > ***
>> >
>> >
>> > Weekly reviews improve the readability of the standard!
>> > By asking questions and sending remarks you indicate to the
>> authors
>> > which parts of the proposal are not clear, and by doing so, reduce the
>> chances
>> > of ambiguity in the final draft of the standard.
>> >
>> > Thank you for your time,
>> > Inbal Levi
>> > _______________________________________________
>> > Lib-Ext mailing list
>> > Lib-Ext_at_[hidden] <mailto:Lib-Ext_at_[hidden]>
>> > Subscription:
>> https://lists.isocpp.org/mailman/listinfo.cgi/lib-ext
>> > Link to this post:
>> http://lists.isocpp.org/lib-ext/2022/02/22483.php
>> >
>>
>>
>>

Received on 2022-02-12 15:02:38