Jump to content
View in the app

A better way to browse. Learn more.
Horizon Community

A full-screen app on your home screen with push notifications, badges and more.

To install this app on iOS and iPadOS
  1. Tap the Share icon in Safari
  2. Scroll the menu and tap Add to Home Screen.
  3. Tap Add in the top-right corner.
To install this app on Android
  1. Tap the 3-dot menu (⋮) in the top-right corner of the browser.
  2. Tap Add to Home screen or Install app.
  3. Confirm by tapping Install.

2025-03 Mailing Available

Horizon
in The Standard C++ News

Featured Replies

The 2025-03 mailing of new standards papers is now available.

 

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup
N5004 2025 Sofia Meeting Invitation and Information Vassil Vassilev 2025-01-14 2025-03   All of WG21
N5005 WG21 2025-01 Hagenberg Admin telecon minutes Nina Ranns 2025-01-31 2025-03   All of WG21
N5006 2025 WG21 admin telecon meetings (revised 2025-02-20) Herb Sutter 2025-03-03 2025-03   All of WG21
N5007 WG21 02/2025 Hagenberg Minutes of Meeting Nina Ranns 2025-03-03 2025-03   All of WG21
N5008 Working Draft, Programming Languages -- C++ Thomas Köppe 2025-03-15 2025-03   All of WG21
N5009 Editors' Report, Programming Languages -- C++ Thomas Köppe 2025-03-15 2025-03   All of WG21
P0260R15 C++ Concurrent Queues Detlef Vollmann 2025-02-13 2025-03 P0260R14 SG1 Concurrency and Parallelism,LEWG Library Evolution
P0260R16 C++ Concurrent Queues Detlef Vollmann 2025-02-15 2025-03 P0260R15 SG1 Concurrency and Parallelism,LEWG Library Evolution
P0876R20 fiber_context - fibers without scheduler Oliver Kowalke 2025-02-27 2025-03 P0876R19 EWG Evolution,CWG Core,LWG Library
P1494R5 Partial program correctness S. Davis Herring 2025-03-04 2025-03 P1494R4 CWG Core,LWG Library
P1967R14 #embed - a simple, scannable preprocessor-based resource acquisition method JeanHeyd Meneide 2025-02-17 2025-03 P1967R13 CWG Core
P2079R7 System execution context Lucian Radu Teodorescu 2025-02-12 2025-03 P2079R6 LEWG Library Evolution
P2287R4 Designated-initializers for base classes Barry Revzin 2025-03-10 2025-03 P2287R3 EWG Evolution
P2414R6 Pointer lifetime-end zap proposed solutions Paul E. McKenney 2025-02-13 2025-03 P2414R5 SG1 Concurrency and Parallelism,LEWG Library Evolution,LWG Library
P2663R7 Proposal to support interleaved complex values in std::simd Daniel Towner 2025-02-17 2025-03 P2663R6 LWG Library
P2719R4 Type-aware allocation and deallocation functions Louis Dionne 2025-02-10 2025-03 P2719R3 CWG Core
P2758R5 Emitting messages at compile time Barry Revzin 2025-03-16 2025-03 P2758R4 CWG Core,LWG Library
P2781R6 std::constexpr_wrapper Zach Laine 2025-02-16 2025-03 P2781R5 LEWG Library Evolution,LWG Library
P2781R7 std::constexpr_wrapper Zach Laine 2025-03-09 2025-03 P2781R6 LEWG Library Evolution,LWG Library
P2781R8 std::constexpr_wrapper Zach Laine 2025-03-15 2025-03 P2781R7 LEWG Library Evolution,LWG Library
P2786R12 Trivial Relocatability For C++26 Pablo Halpern 2025-02-10 2025-03 P2786R11 CWG Core,LWG Library
P2786R13 Trivial Relocatability For C++26 Pablo Halpern 2025-02-14 2025-03 P2786R12 All of WG21
P2825R5 Overload resolution hook: declcall( unevaluated-call-expression ) Gašper Ažman 2025-03-16 2025-03 P2825R4 EWG Evolution,CWG Core
P2830R10 Standardized Constexpr Type Ordering Gašper Ažman 2025-03-15 2025-03 P2830R9 EWG Evolution,LEWG Library Evolution,CWG Core,LWG Library
P2841R7 Concept and variable-template template-parameters Corentin Jabot 2025-02-15 2025-03 P2841R6 CWG Core
P2843R2 Preprocessing is never undefined Alisdair Meredith 2025-03-17 2025-03 P2843R1 CWG Core
P2846R6 reserve_hint: Eagerly reserving memory for not-quite-sized lazy ranges Corentin Jabot 2025-02-15 2025-03 P2846R5 LWG Library
P2863R9 Review Annex D for C++26 Alisdair Meredith 2025-03-11 2025-03 P2863R8 EWG Evolution,CWG Core,LWG Library
P2873R3 Remove Deprecated locale category facets for Unicode from C++26 Alisdair Meredith 2025-03-17 2025-03 P2873R2 LWG Library
P2876R2 Proposal to extend std::simd with more constructors and accessors Daniel Towner 2025-02-14 2025-03 P2876R1 LWG Library
P2899R1 Contracts for C++ - Rationale Timur Doumler 2025-03-14 2025-03 P2899R0 SG21 Contracts,EWG Evolution,LEWG Library Evolution
P2900R14 Contracts for C++ Joshua Berne 2025-02-14 2025-03 P2900R13 CWG Core,LWG Library
P2933R4 std::simd overloads for <bit> header Daniel Towner 2025-02-17 2025-03 P2933R3 LWG Library
P2988R10 std::optional<T&> Steve Downey 2025-02-18 2025-03 P2988R9 LWG Library
P2988R11 std::optional<T&> Steve Downey 2025-03-17 2025-03 P2988R10 LWG Library
P2996R10 Reflection for C++26 Barry Revzin 2025-02-26 2025-03 P2996R9 EWG Evolution
P3008R4 Atomic floating-point min/max Gonzalo Brito Gadeschi 2025-02-20 2025-03 P3008R3 LWG Library
P3016R6 Resolve inconsistencies in begin/end for valarray and braced initializer lists Arthur O'Dwyer 2025-02-11 2025-03 P3016R5 LWG Library
P3019R13 Vocabulary Types for Composite Class Design Jonathan Coe 2025-02-09 2025-03 P3019R12 LEWG Library Evolution,LWG Library
P3019R14 Vocabulary Types for Composite Class Design Jonathan Coe 2025-02-11 2025-03 P3019R13 LEWG Library Evolution,LWG Library
P3060R2 Add std::views::indices(n) Weile Wei 2025-02-20 2025-03 P3060R1 LWG Library
P3070R3 Formatting enums Victor Zverovich 2025-02-16 2025-03 P3070R2 LWG Library
P3074R6 trivial unions (was std::uninitialized<T>) Barry Revzin 2025-02-11 2025-03 P3074R5 EWG Evolution
P3074R7 trivial unions (was std::uninitialized<T>) Barry Revzin 2025-02-14 2025-03 P3074R6 EWG Evolution
P3081R2 Core safety profiles for C++26 Herb Sutter 2025-02-03 2025-03 P3081R1 EWG Evolution,LEWG Library Evolution
P3096R6 Function Parameter Reflection in Reflection for C++26 Adam Lach 2025-02-07 2025-03 P3096R5 CWG Core,LWG Library
P3096R7 Function Parameter Reflection in Reflection for C++26 Adam Lach 2025-03-15 2025-03 P3096R6 CWG Core,LWG Library
P3104R3 Bit permutations Jan Schultke 2025-02-11 2025-03 P3104R2 LEWG Library Evolution
P3111R4 Atomic Reduction Operations Gonzalo Brito Gadeschi 2025-02-14 2025-03 P3111R3 LEWG Library Evolution
P3111R5 Atomic Reduction Operations Gonzalo Brito Gadeschi 2025-02-20 2025-03 P3111R4 CWG Core,LWG Library
P3137R3 views::to_input Tim Song 2025-02-10 2025-03 P3137R2 LWG Library
P3149R9 async_scope -- Creating scopes for non-sequential concurrency Ian Petersen 2025-02-18 2025-03 P3149R8 LWG Library
P3161R3 Unified integer overflow arithmetic Tiago Freire 2025-01-16 2025-03 P3161R2 SG6 Numerics
P3179R6 C++ parallel range algorithms Ruslan Arutyunyan 2025-02-07 2025-03 P3179R5 LEWG Library Evolution
P3179R7 C++ parallel range algorithms Ruslan Arutyunyan 2025-02-28 2025-03 P3179R6 LWG Library
P3229R1 Making erroneous behaviour compatible with Contracts Timur Doumler 2025-02-10 2025-03 P3229R0 EWG Evolution,LEWG Library Evolution
P3230R2 views::unchecked_(take|drop) Hewill Kang 2025-02-27 2025-03 P3230R1 SG9 Ranges,LEWG Library Evolution,LWG Library
P3242R1 Copy and fill for mdspan Nicolas Morales 2025-03-13 2025-03 P3242R0 LEWG Library Evolution
P3248R3 Require [u]intptr_t Gonzalo Brito Gadeschi 2025-02-10 2025-03 P3248R2 EWG Evolution,LEWG Library Evolution
P3284R3 `write_env` and `unstoppable` Sender Adaptors Eric Niebler 2025-02-13 2025-03 P3284R2 LWG Library
P3287R3 Exploration of namespaces for std::simd Matthias Kretz 2025-02-13 2025-03 P3287R2 LWG Library
P3296R4 let_async_scope Anthony Williams 2025-03-17 2025-03 P3296R3 LWG Library
P3319R3 Add an iota object for simd (and more) Matthias Kretz 2025-02-03 2025-03 P3319R2 LEWG Library Evolution
P3319R4 Add an iota object for simd (and more) Matthias Kretz 2025-02-14 2025-03 P3319R3 LEWG Library Evolution
P3319R5 Add an iota object for simd (and more) Matthias Kretz 2025-02-14 2025-03 P3319R4 LWG Library
P3331R1 Accessing The First and Last Elements in Associative Containers Nikita Sakharin 2025-02-05 2025-03 P3331R0 LEWG Library Evolution,LWG Library
P3349R1 Converting contiguous iterators to pointers Jonathan Wakely 2025-02-10 2025-03 P3349R0 LWG Library
P3365R1 Remove the Deprecated iterator Class Template from C++26 Alisdair Meredith 2025-03-11 2025-03 P3365R0 LWG Library
P3366R1 Remove Deprecated Atomic Initialization API from C++26 Alisdair Meredith 2025-03-16 2025-03 P3366R0 LWG Library
P3367R4 constexpr coroutines Hana Dusíková 2025-02-17 2025-03 P3367R3 CWG Core,LWG Library
P3372R3 constexpr containers and adapters Hana Dusíková 2025-02-11 2025-03 P3372R2 LWG Library
P3378R2 constexpr exception types Hana Dusíková 2025-02-11 2025-03 P3378R1 LWG Library
P3383R2 mdspan.at() Stephan Lachnit 2025-02-17 2025-03 P3383R1 LWG Library
P3385R4 Attributes reflection Aurelien Cassagnes 2025-03-10 2025-03 P3385R3 SG7 Reflection,EWG Evolution,LEWG Library Evolution
P3394R2 Annotations for Reflection Daveed Vandevoorde 2025-03-14 2025-03 P3394R1 CWG Core,LWG Library
P3395R1 Fix encoding issues and add a formatter for std::error_code Victor Zverovich 2025-03-12 2025-03 P3395R0 LEWG Library Evolution
P3395R2 Fix encoding issues and add a formatter for std::error_code Victor Zverovich 2025-03-17 2025-03 P3395R1 LEWG Library Evolution
P3400R1 Specifying Contract Assertion Properties with Labels Joshua Berne 2025-02-28 2025-03 P3400R0 SG21 Contracts,All of WG21
P3417R1 Handling exceptions thrown from contract predicates Gašper Ažman 2025-03-05 2025-03 P3417R0 SG21 Contracts,EWG Evolution
P3430R3 simd issues: explicit, unsequenced, identity-element position, and members of disabled simd Matthias Kretz 2025-02-13 2025-03 P3430R2 LWG Library
P3441R1 Rename simd_split to simd_chunk Daniel Towner 2025-01-29 2025-03 P3441R0 LEWG Library Evolution
P3441R2 Rename simd_split to simd_chunk Daniel Towner 2025-01-30 2025-03 P3441R1 LEWG Library Evolution
P3442R1 [[invalidate_dereferencing]] attribute Patrice Roy 2025-02-11 2025-03 P3442R0 SG14 Low Latency,LEWG Library Evolution
P3471R3 Standard Library Hardening Konstantin Varlamov 2025-02-13 2025-03 P3471R2 SG23 Safety and Security,LEWG Library Evolution
P3471R4 Standard Library Hardening Konstantin Varlamov 2025-02-14 2025-03 P3471R3 CWG Core,LWG Library
P3472R1 Make fiber_context::can_resume() const Andrzej Krzemieński 2025-01-28 2025-03 P3472R0 LEWG Library Evolution
P3475R2 Defang and deprecate memory_order::consume Hans Boehm 2025-02-25 2025-03 P3475R1 SG1 Concurrency and Parallelism,EWG Evolution,LEWG Library Evolution,CWG Core,LWG Library
P3477R3 There are exactly 8 bits in a byte JF Bastien 2025-02-10 2025-03 P3477R2 LEWG Library Evolution,CWG Core,LWG Library
P3477R4 There are exactly 8 bits in a byte JF Bastien 2025-02-13 2025-03 P3477R3 CWG Core
P3477R5 There are exactly 8 bits in a byte JF Bastien 2025-03-15 2025-03 P3477R4 EWG Evolution,LEWG Library Evolution
P3480R4 std::simd is a range Matthias Kretz 2025-02-14 2025-03 P3480R3 LEWG Library Evolution
P3481R2 std::execution::bulk() issues Lucian Radu Teodorescu 2025-02-11 2025-03 P3481R1 LEWG Library Evolution
P3482R1 Design for C++ networking based on IETF TAPS Thomas Rodgers, Woven By Toyota, [email protected] 2025-01-13 2025-03 P3482R0 SG4 Networking
P3491R2 define_static_{string,object,array} Barry Revzin 2025-03-14 2025-03 P3491R1 EWG Evolution,LEWG Library Evolution
P3492R1 Sized deallocation for placement new Lauri Vasama 2025-02-10 2025-03 P3492R0 EWG Evolution
P3492R2 Sized deallocation for placement new Lauri Vasama 2025-02-17 2025-03 P3492R1 EWG Evolution,CWG Core
P3499R1 Exploring strict contract predicates Timur Doumler 2025-02-09 2025-03 P3499R0 EWG Evolution
P3500R1 Are Contracts "safe"? Timur Doumler 2025-02-09 2025-03 P3500R0 EWG Evolution
P3503R1 Make type-erased allocator use in promise and packaged_task consistent Nicolas Morales 2025-03-16 2025-03 P3503R0 LWG Library
P3503R2 Make type-erased allocator use in promise and packaged_task consistent Nicolas Morales 2025-03-17 2025-03 P3503R1 LWG Library
P3505R0 Fix the default floating-point representation in std::format Victor Zverovich 2025-03-16 2025-03   LEWG Library Evolution
P3516R1 Uninitialized algorithms for relocation Louis Dionne 2025-02-11 2025-03 P3516R0 LEWG Library Evolution
P3526R0 Container truncation Peter Bindels 2025-03-17 2025-03   LEWG Library Evolution
P3533R2 constexpr virtual inheritance Hana Dusíková 2025-02-17 2025-03 P3533R1 CWG Core
P3537R1 Presentation on Concurrent Queue API Detlef Vollmann 2025-02-11 2025-03 P3537R0 All of WG21
P3540R1 #embed Parameter offset JeanHeyd Meneide 2025-02-17 2025-03 P3540R0 CWG Core
P3544R0 ranges::to view Hewill Kang 2025-02-11 2025-03   SG9 Ranges
P3547R1 Modeling Access Control With Reflection Dan Katz 2025-02-09 2025-03 P3547R0 SG7 Reflection,EWG Evolution,LEWG Library Evolution,LWG Library
P3552R1 Add a Coroutine Task Type Dietmar Kühl 2025-03-16 2025-03 P3552R0 SG1 Concurrency and Parallelism,LEWG Library Evolution
P3556R0 Input files are source files Alisdair Meredith 2025-03-17 2025-03   CWG Core
P3557R1 High-Quality Sender Diagnostics with Constexpr Exceptions Eric Niebler 2025-02-13 2025-03 P3557R0 LEWG Library Evolution
P3558R1 Core Language Contracts By Default Joshua Berne 2025-02-02 2025-03 P3558R0 SG21 Contracts,SG23 Safety and Security
P3561R1 Index based coproduct operations on variant, and library wording Esa Pulkkinen 2025-01-16 2025-03 P3561R0 LEWGI SG18: LEWG Incubator
P3568R1 break label; and continue label; Jan Schultke 2025-03-13 2025-03 P3568R0 SG22 Compatibility,EWG Evolution
P3570R0 optional variants in sender/receiver Fabio Fracassi 2025-02-10 2025-03   LEWG Library Evolution
P3579R1 Fix matching of non-type template parameters when matching template template parameters Matheus Izvekov 2025-02-10 2025-03 P3579R0 CWG Core
P3589R1 C++ Profiles: The Framework Gabriel Dos Reis 2025-02-03 2025-03 P3589R0 EWG Evolution
P3591R0 Contextualizing Contracts Concerns Joshua Berne 2025-02-03 2025-03   SG21 Contracts,EWG Evolution,LEWG Library Evolution
P3592R0 Resolving Concerns with const-ification Joshua Berne 2025-02-10 2025-03   SG21 Contracts,EWG Evolution
P3599R0 Initial Implicit Contract Assertions Joshua Berne 2025-02-03 2025-03   SG21 Contracts,SG23 Safety and Security,EWG Evolution
P3603R0 Consteval-only Values and Consteval Variables Barry Revzin 2025-03-13 2025-03   EWG Evolution
P3605R0 isqrt: A function to calculate integer square root of the nonnegative integer Nikita Sakharin 2025-02-05 2025-03   LEWGI SG18: LEWG Incubator,LEWG Library Evolution,LWG Library
P3606R0 On Overload Resolution, Exact Matches and Clever Implementations Corentin Jabot 2025-01-27 2025-03   EWG Evolution
P3608R0 Contracts and profiles: what can we reasonably ship in C++26 Ville Voutilainen 2025-02-01 2025-03   EWG Evolution,LEWG Library Evolution
P3611R0 Dealing with pointer errors: Separating static and dynamic checking Bjarne Stroustrup 2025-02-04 2025-03   SG23 Safety and Security,EWG Evolution,LEWG Library Evolution
P3613R0 On the beating of horses, and other matters Tim Song 2025-03-17 2025-03   SG9 Ranges
P3614R0 Do not remove nor postpone access_context::unchecked Ville Voutilainen 2025-02-06 2025-03   EWG Evolution
P3615R0 C++ Standard Library Ready Issues to be moved in Hagenberg, Feb. 2025 Jonathan Wakely 2025-02-07 2025-03   All of WG21
P3616R0 Remove contracts on virtual functions for now Ville Voutilainen 2025-02-08 2025-03   EWG Evolution
P3618R0 Allow attaching main to the global module Michael Spencer 2025-02-11 2025-03   EWG Evolution
P3619R0 Counter-examples for P2688R5 Vlad Serebrennikov 2025-02-10 2025-03   EWG Evolution
P3619R1 Counter-examples for P2688R5 Vlad Serebrennikov 2025-02-12 2025-03 P3619R0 EWG Evolution
P3620R0 Concerns with the proposed addition of fibers to C++ 26 David Chisnall 2025-02-10 2025-03   EWG Evolution,CWG Core,LWG Library
P3623R0 Add noexcept to [iterator.range] (LWG 3537) Arthur O'Dwyer 2025-02-11 2025-03   LWG Library
P3625R0 either neither Michael Florian Hava 2025-02-11 2025-03   LEWG Library Evolution
P3626R0 Make predicate exceptions propagate by default Timur Doumler 2025-02-11 2025-03   EWG Evolution
P3627R0 Easy-to-adopt security profiles for preventing RCE (remote code execution) in existing C++ code Ulfar Erlingsson 2025-02-11 2025-03   SG23 Safety and Security
P3628R0 break label; and continue label;, tl; dr Jan Schultke 2025-02-12 2025-03   EWGI SG17: EWG Incubator
P3630R0 Slides for P3568R0 Jan Schultke 2025-02-12 2025-03   EWG Evolution
P3632R0 P3564R0: Make the concurrent forward progress guarantee usable in bulk Mark Hoemmen 2025-02-13 2025-03   SG1 Concurrency and Parallelism
P3632R1 P3564R0: Make the concurrent forward progress guarantee usable in bulk Mark Hoemmen 2025-02-13 2025-03 P3632R0 SG1 Concurrency and Parallelism
P3633R0 A Byte is a Byte Murat Can Cagri 2025-02-13 2025-03   EWG Evolution,LEWG Library Evolution
P3635R0 We shouldn't rush to require either CHAR_BIT==8 or (u)intNN_t Nevin Liber 2025-02-13 2025-03   EWG Evolution,LEWG Library Evolution
P3636R0 LEWG Hagenberg presentation for P3581 No, inplace_vector shouldn't have an Allocator Nevin Liber 2025-02-13 2025-03   LEWG Library Evolution
P3637R0 Inherit std::meta::exception from std::exception Victor Zverovich 2025-03-08 2025-03   LEWG Library Evolution
P3638R0 Core Language Working Group "ready" Issues for the February, 2025 meeting Jens Maurer 2025-02-14 2025-03   CWG Core
P3639R0 The _BitInt Debate Jan Schultke 2025-02-20 2025-03   SG6 Numerics,EWG Evolution,LEWG Library Evolution
P3640R0 Make contracts reliable by default Jonas Persson 2025-03-17 2025-03   SG21 Contracts,SG23 Safety and Security,EWG Evolution
P3641R0 Rename std::observable to std::observable_checkpoint, and add a feature-test macro Jan Schultke 2025-03-13 2025-03   LEWG Library Evolution
P3642R0 Carry-less product: std::clmul Jan Schultke 2025-03-13 2025-03   SG6 Numerics,LEWGI SG18: LEWG Incubator
P3643R0 std::to_signed and std::to_unsigned Jan Schultke 2025-03-13 2025-03   LEWG Library Evolution
P3650R0 21st Century C++ Bjarne Stroustrup 2025-03-05 2025-03   All of WG21
P3651R0 Note to the C++ standards committee members Bjarne Stroustrup 2025-03-06 2025-03   All of WG21
P3652R0 Constexpr floating-point <charconv> functions Lénárd Szolnoki 2025-03-15 2025-03   LEWGI SG18: LEWG Incubator,LEWG Library Evolution
P3654R0 Slides for P3516 Giuseppe D'Angelo 2025-03-09 2025-03   LEWG Library Evolution
P3655R0 zstring_view Peter Bindels 2025-03-17 2025-03   LEWG Library Evolution
P3656R0 Initial draft proposal for core language UB white paper: Process and major work items Herb Sutter 2025-03-11 2025-03   EWG Evolution
P3657R0 A Grammar for Whitespace Characters Alisdair Meredith 2025-03-17 2025-03   CWG Core
P3658R0 Adjust identifier following new Unicode recommendations Robin Leroy 2025-03-13 2025-03   SG16 Unicode
P3660R0 Improve `reference_wrapper` Ergonomics Jeremy Rifkin 2025-03-17 2025-03   LEWGI SG18: LEWG Incubator

View the full article

  • Quote

    • Join the conversation

    You can post now and register later. If you have an account, sign in now to post with your account.

    Guest
    Reply to this topic...
    https://www.projecthorizon.onl/index.php?/topic/415-2025-03-mailing-available/
    Go to topic listing

    Recently Browsing 0

    • No registered users viewing this page.

    Configure browser push notifications
    Chrome (Android)
    1. Tap the lock icon next to the address bar.
    2. Tap Permissions → Notifications.
    3. Adjust your preference.
    Chrome (Desktop)
    1. Click the padlock icon in the address bar.
    2. Select Site settings.
    3. Find Notifications and adjust your preference.