2024-04 Mailing Available

The 2024-04 mailing of new standards papers is now available.

 

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup
N4974 2024-11 Wroclaw meeting information Herb Sutter 2024-03-18 2024-04   All of WG21
N4975 2024 WG21 admin telecon meetings Herb Sutter 2024-02-21 2024-04   All of WG21
N4976 WG21 agenda: 18-23 March 2024, Tokyo, Japan John Spicer 2024-02-26 2024-04   All of WG21
N4978 WG21 2024-03 Admin telecon minutes Nina Ranns 2024-03-11 2024-04   All of WG21
N4979 Hagenberg Meeting Invitation and Information Peter Kulczycki 2024-03-22 2024-04   All of WG21
N4980 WG21 2024-03 Tokyo Minutes of Meeting Nina Ranns 2024-04-05 2024-04   All of WG21
N4981 Working Draft, Programming Languages -- C++ Thomas Köppe 2024-04-16 2024-04   All of WG21
N4982 Editors' Report, Programming Languages -- C++ Thomas Köppe 2024-04-16 2024-04   All of WG21
P0260R8 C++ Concurrent Queues Detlef Vollmann 2024-03-09 2024-04 P0260R7 SG1 Concurrency and Parallelism,LEWG Library Evolution
P0562R1 Initialization List Symmetry Alan Talbot 2024-03-21 2024-04 P0562R0 EWG Evolution
P0562R2 Trailing Commas in Base-clauses and Ctor-initializers Alan Talbot 2024-04-15 2024-04 P0562R1 CWG Core
P0609R3 Attributes for Structured Bindings Aaron Ballman 2024-03-21 2024-04 P0609R2 CWG Core
P0843R11 inplace_vector Gonzalo Brito Gadeschi 2024-03-21 2024-04 P0843R10 LWG Library
P0876R16 fiber_context - fibers without scheduler Oliver Kowalke 2024-03-22 2024-04 P0876R15 EWG Evolution,CWG Core,LWG Library
P1061R8 Structured Bindings can introduce a Pack Barry Revzin 2024-04-14 2024-04 P1061R7 CWG Core
P1068R11 Vector API for random number generation Ilya Burylov 2024-04-01 2024-04 P1068R10 LWG Library
P1317R1 Remove return type deduction in std::apply Aaryaman Sagar 2024-04-03 2024-04 P1317R0 LEWG Library Evolution
P2034R3 Partially Mutable Lambda Captures Ryan McDougall 2024-03-20 2024-04 P2034R2 EWGI SG17: EWG Incubator,EWG Evolution,CWG Core
P2075R5 Philox as an extension of the C++ RNG engines Ilya Burylov 2024-04-01 2024-04 P2075R4 LEWG Library Evolution,LWG Library
P2127R0 Making C++ Software Allocator Aware Pablo Halpern 2024-03-11 2024-04   LEWG Library Evolution
P2135R1 P2055R1: A Relaxed Guide to memory_order_relaxed Paul E. McKenney 2024-04-09 2024-04 P2135R0 SG1 Concurrency and Parallelism
P2141R2 Aggregates are named tuples Antony Polukhin 2024-03-06 2024-04 P2141R1 LEWG Library Evolution,LWG Library
P2248R8 Enabling list-initialization for algorithms Giuseppe D'Angelo 2024-03-20 2024-04 P2248R7 LWG Library
P2300R8 `std::execution` Eric Niebler 2024-04-02 2024-04 P2300R7 LEWG Library Evolution,LWG Library
P2300R9 `std::execution` Eric Niebler 2024-04-02 2024-04 P2300R8 LEWG Library Evolution,LWG Library
P2355R2 Postfix fold expressions S. Davis Herring 2024-03-20 2024-04 P2355R1 EWG Evolution
P2389R1 `dextents` Index Type Parameter Bryce Adelstein Lelbach 2024-04-12 2024-04 P2389R0 LEWG Library Evolution
P2414R3 Pointer lifetime-end zap proposed solutions Paul E. McKenney 2024-04-08 2024-04 P2414R2 SG1 Concurrency and Parallelism,EWG Evolution
P2542R8 views::concat Hui Xie 2024-03-20 2024-04 P2542R7 SG9 Ranges,LEWG Library Evolution,LWG Library
P2573R2 = delete("should have a reason"); Yihe Li 2024-03-21 2024-04 P2573R1 CWG Core
P2591R5 Concatenation of strings and string views Giuseppe D'Angelo 2024-03-20 2024-04 P2591R4 LWG Library
P2746R5 Deprecate and Replace Fenv Rounding Modes Hans Boehm 2024-04-15 2024-04 P2746R4 SG6 Numerics,LEWG Library Evolution
P2747R2 constexpr placement new Barry Revzin 2024-03-18 2024-04 P2747R1 EWG Evolution
P2748R5 Disallow Binding a Returned Glvalue to a Temporary Brian Bi 2024-03-22 2024-04 P2748R4 CWG Core
P2755R1 A Bold Plan for a Complete Contracts Facility Joshua Berne, Jake Fevold, John Lakos 2024-04-10 2024-04 P2755R0 SG21 Contracts
P2786R5 Trivial Relocatability For C++26 Mungo Gill 2024-04-09 2024-04 P2786R4 EWG Evolution,LEWG Library Evolution
P2795R5 Erroneous behaviour for uninitialized reads Thomas Köppe 2024-03-21 2024-04 P2795R4 SG12 Undefined and Unspecified Behavior,SG23 Safety and Security,EWG Evolution,CWG Core,LWG Library
P2809R3 Trivial infinite loops are not Undefined Behavior JF Bastien 2024-03-21 2024-04 P2809R2 SG22 Compatibility,CWG Core
P2810R4 is_debugger_present is_replaceable René Ferdinand Rivera Morell 2024-03-20 2024-04 P2810R3 LWG Library
P2825R1 Overload Resolution hook: declcall(unevaluated-postfix-expression) Gašper Ažman 2024-03-20 2024-04 P2825R0 EWGI SG17: EWG Incubator,EWG Evolution
P2825R2 Overload Resolution hook: declcall(unevaluated-postfix-expression) Gašper Ažman 2024-04-16 2024-04 P2825R1 EWG Evolution
P2826R2 Replacement functions Gašper Ažman 2024-03-17 2024-04 P2826R1 EWG Evolution
P2830R2 Standardized Constexpr Type Ordering Gašper Ažman 2024-03-17 2024-04 P2830R1 EWG Evolution
P2830R3 Standardized Constexpr Type Ordering Gašper Ažman 2024-04-16 2024-04 P2830R2 EWG Evolution
P2841R2 Concept and variable-template template-parameters Corentin Jabot 2024-02-22 2024-04 P2841R1 EWG Evolution
P2845R7 Formatting of std::filesystem::path Victor Zverovich 2024-03-10 2024-04 P2845R6 LEWG Library Evolution,LWG Library
P2845R8 Formatting of std::filesystem::path Victor Zverovich 2024-03-20 2024-04 P2845R7 LWG Library
P2855R1 Member customization points for Senders and Receivers Ville Voutilainen 2024-02-22 2024-04 P2855R0 LEWG Library Evolution
P2863R5 Review Annex D for C++26 Alisdair Meredith 2024-04-16 2024-04 P2863R4 EWG Evolution,LEWG Library Evolution
P2866R2 Remove Deprecated Volatile Features From C++26 Alisdair Meredith 2024-04-16 2024-04 P2866R1 SG1 Concurrency and Parallelism,LEWG Library Evolution
P2867R2 Remove Deprecated strstreams From C++26 Alisdair Meredith 2024-03-19 2024-04 P2867R1 LWG Library
P2869R4 Remove Deprecated `shared_ptr` Atomic Access APIs From C++26 Alisdair Meredith 2024-03-20 2024-04 P2869R3 LWG Library
P2872R3 Remove `wstring_convert` From C++26 Alisdair Meredith 2024-03-19 2024-04 P2872R2 LWG Library
P2873R1 Remove Deprecated locale category facets for Unicode from C++26 Alisdair Meredith 2024-04-08 2024-04 P2873R0 LEWG Library Evolution
P2875R4 Undeprecate `polymorphic_allocator::destroy` For C++26 Alisdair Meredith 2024-03-20 2024-04 P2875R3 LWG Library
P2893R3 Variadic Friends Jody Hagins 2024-03-21 2024-04 P2893R2 CWG Core
P2900R6 Contracts for C++ Joshua Berne 2024-02-29 2024-04 P2900R5 EWG Evolution,LEWG Library Evolution
P2927R2 Observing exceptions stored in exception_ptr Gor Nishanov 2024-04-15 2024-04 P2927R1 LEWG Library Evolution
P2944R3 Comparisons for reference_wrapper Barry Revzin 2024-03-20 2024-04 P2944R2 EWG Evolution,LEWG Library Evolution
P2977R1 Build database files Ben Boeckel 2024-03-25 2024-04 P2977R0 SG15 Tooling
P2988R4 std::optional<T&> Steve Downey 2024-04-16 2024-04 P2988R3 LEWG Library Evolution,LWG Library
P2993R0 Constrained Numbers Luke Valenty 2024-03-21 2024-04   SG6 Numerics,SG23 Safety and Security
P2997R1 Removing the common reference requirement from the indirectly invocable concepts Barry Revzin 2024-03-21 2024-04 P2997R0 SG9 Ranges,LEWG Library Evolution
P3008R2 Atomic floating-point min/max Gonzalo Brito Gadeschi 2024-03-18 2024-04 P3008R1 LEWG Library Evolution
P3016R3 Resolve inconsistencies in begin/end for valarray and braced initializer lists Arthur O'Dwyer 2024-03-22 2024-04 P3016R2 LWG Library
P3019R7 Vocabulary Types for Composite Class Design Jonathan Coe 2024-03-18 2024-04 P3019R6 LEWG Library Evolution,LWG Library
P3019R8 Vocabulary Types for Composite Class Design Jonathan Coe 2024-03-22 2024-04 P3019R7 LEWG Library Evolution,LWG Library
P3029R1 Better mdspan's CTAD Hewill Kang 2024-03-20 2024-04 P3029R0 LEWG Library Evolution
P3032R1 Less transient constexpr allocation Barry Revzin 2024-03-21 2024-04 P3032R0 EWG Evolution
P3032R2 Less transient constexpr allocation Barry Revzin 2024-04-16 2024-04 P3032R1 EWG Evolution
P3034R1 Module Declarations Shouldn't be Macros Michael Spencer 2024-03-20 2024-04 P3034R0 All of WG21
P3037R1 constexpr std::shared_ptr Paul Keir 2024-03-05 2024-04 P3037R0 SG7 Reflection,LEWG Library Evolution
P3049R0 node-handles for lists Michael Florian Hava 2024-04-03 2024-04   LEWG Library Evolution
P3050R1 Fix C++26 by optimizing linalg::conjugated for noncomplex value types Mark Hoemmen 2024-04-08 2024-04 P3050R0 LEWG Library Evolution
P3064R0 How to Avoid OOTA Without Really Trying Paul E. McKenney 2024-04-05 2024-04   SG1 Concurrency and Parallelism
P3068R1 Allowing exception throwing in constant-evaluation. Hana Dusíková 2024-03-30 2024-04 P3068R0 EWG Evolution
P3072R2 Hassle-free thread attributes Zhihao Yuan 2024-03-17 2024-04 P3072R1 LEWG Library Evolution
P3074R3 trivial union (was std::uninitialized<T>) Barry Revzin 2024-04-14 2024-04 P3074R2 EWG Evolution
P3085R1 `noexcept` policy for SD-9 (throws nothing) Ben Craig 2024-03-17 2024-04 P3085R0 LEWG Library Evolution
P3086R1 Proxy: A Pointer-Semantics-Based Polymorphism Library Mingxin Wang 2024-03-18 2024-04 P3086R0 LEWGI SG18: LEWG Incubator,LEWG Library Evolution
P3086R2 Proxy: A Pointer-Semantics-Based Polymorphism Library Mingxin Wang 2024-04-16 2024-04 P3086R1 LEWG Library Evolution
P3091R1 Better lookups for `map` and `unordered_map` Pablo Halpern 2024-03-22 2024-04 P3091R0 LEWGI SG18: LEWG Incubator
P3094R1 std::basic_fixed_string Mateusz Pusz 2024-03-20 2024-04 P3094R0 SG16 Unicode,LEWG Library Evolution
P3097R0 Contracts for C++: Support for virtual functions Timur Doumler 2024-04-15 2024-04   SG21 Contracts
P3103R1 More bitset operations Jan Schultke 2024-03-07 2024-04 P3103R0 LEWGI SG18: LEWG Incubator
P3104R1 Bit permutations Jan Schultke 2024-03-07 2024-04 P3104R0 LEWGI SG18: LEWG Incubator
P3104R2 Bit permutations Jan Schultke 2024-04-04 2024-04 P3104R1 LEWGI SG18: LEWG Incubator
P3105R1 constexpr std::uncaught_exceptions() Jan Schultke 2024-03-07 2024-04 P3105R0 LEWGI SG18: LEWG Incubator
P3105R2 constexpr std::uncaught_exceptions() Jan Schultke 2024-04-04 2024-04 P3105R1 LEWGI SG18: LEWG Incubator
P3106R1 Clarifying rules for brace elision in aggregate initialization James Touton 2024-03-20 2024-04 P3106R0 CWG Core
P3107R1 Permit an efficient implementation of std::print Victor Zverovich 2024-02-25 2024-04 P3107R0 LEWG Library Evolution
P3107R2 Permit an efficient implementation of std::print Victor Zverovich 2024-03-17 2024-04 P3107R1 LEWG Library Evolution
P3107R3 Permit an efficient implementation of std::print Victor Zverovich 2024-03-18 2024-04 P3107R2 LEWG Library Evolution
P3107R4 Permit an efficient implementation of std::print Victor Zverovich 2024-03-19 2024-04 P3107R3 LEWG Library Evolution
P3107R5 Permit an efficient implementation of std::print Victor Zverovich 2024-03-21 2024-04 P3107R4 LWG Library
P3119R0 Tokyo Technical Fixes to Contracts Joshua Berne 2024-04-04 2024-04   SG21 Contracts
P3122R1 [[nodiscard]] should be Recommended Practice Jonathan Wakely 2024-03-12 2024-04 P3122R0 LEWG Library Evolution,LWG Library
P3135R1 Hazard Pointer Extensions Maged Michael 2024-04-12 2024-04 P3135R0 SG1 Concurrency and Parallelism
P3146R1 Clarifying std::variant converting construction Giuseppe D'Angelo 2024-02-20 2024-04 P3146R0 LEWG Library Evolution,LWG Library
P3147R1 A Direction for Vector Alan Talbot 2024-03-17 2024-04 P3147R0 LEWG Library Evolution
P3149R1 async_scope -- Creating scopes for non-sequential concurrency Ian Petersen 2024-03-13 2024-04 P3149R0 SG1 Concurrency and Parallelism,LEWG Library Evolution
P3149R2 async_scope -- Creating scopes for non-sequential concurrency Ian Petersen 2024-03-20 2024-04 P3149R1 LEWG Library Evolution
P3159R0 C++ Range Adaptors and Parallel Algorithms Bryce Adelstein Lelbach 2024-03-17 2024-04   SG1 Concurrency and Parallelism,LEWG Library Evolution
P3160R1 An allocator-aware `inplace_vector` Pablo Halpern 2024-03-08 2024-04 P3160R0 LEWG Library Evolution
P3161R0 Unified integer overflow arithmetic Tiago Freire 2024-02-17 2024-04   SG6 Numerics
P3161R1 Unified integer overflow arithmetic Tiago Freire 2024-03-13 2024-04 P3161R0 SG6 Numerics
P3162R0 LEWG [[nodiscard]] policy Darius Neațu 2024-02-22 2024-04   LEWG Library Evolution
P3164R0 Improving diagnostics for sender expressions Eric Niebler 2024-02-29 2024-04   LEWG Library Evolution
P3165R0 Contracts on virtual functions for the Contracts MVP Ville Voutilainen 2024-02-26 2024-04   SG21 Contracts
P3166R0 Static Exception Specifications Lewis Baker 2024-03-16 2024-04   EWGI SG17: EWG Incubator,LEWGI SG18: LEWG Incubator
P3167R0 Attributes for the result name in a postcondition assertion Tom Honermann 2024-02-28 2024-04   SG21 Contracts
P3168R0 Give std::optional Range Support David Sankel 2024-02-28 2024-04   LEWG Library Evolution
P3168R1 Give std::optional Range Support David Sankel 2024-04-11 2024-04 P3168R0 LEWG Library Evolution
P3169R0 Inherited contracts Jonas Persson 2024-04-13 2024-04   SG21 Contracts
P3170R0 sinkable exception error message Jarrad J Waterloo 2024-02-29 2024-04   LEWG Library Evolution
P3171R0 Adding functionality to placeholder types Barry Revzin 2024-03-04 2024-04   LEWG Library Evolution
P3172R0 Using `this` in constructor preconditions Andrzej Krzemieński 2024-03-08 2024-04   SG21 Contracts
P3173R0 P2900R6 may be minimimal, but it is not viable Gabriel Dos Reis 2024-03-15 2024-04   EWG Evolution
P3174R0 SG16: Unicode meeting summaries 2023-10-11 through 2024-02-21 Tom Honermann 2024-03-09 2024-04   SG16 Unicode
P3175R0 Reconsidering the `std::execution::on` algorithm Eric Niebler 2024-03-14 2024-04   LEWG Library Evolution
P3176R0 The Oxford variadic comma Jan Schultke 2024-03-07 2024-04   EWGI SG17: EWG Incubator
P3177R0 const prvalues in the conditional operator Barry Revzin 2024-03-17 2024-04   EWG Evolution
P3179R0 C++ parallel range algorithms Ruslan Arutyunyan 2024-03-14 2024-04   SG1 Concurrency and Parallelism,SG9 Ranges
P3180R0 C++ Standard Library Ready Issues to be moved in Tokyo, Mar. 2024 Jonathan Wakely 2024-03-15 2024-04   All of WG21
P3181R0 Atomic stores and object lifetimes Hans Boehm 2024-04-15 2024-04   SG1 Concurrency and Parallelism
P3182R0 Add pop_value methods to container adaptors Brian Bi 2024-04-16 2024-04   LEWG Library Evolution
P3183R0 Contract testing support Bengt Gustafsson 2024-04-15 2024-04   SG21 Contracts
P3187R1 remove ensure_started and start_detached from P2300 Kirk Shoop 2024-03-20 2024-04 P3187R0 SG1 Concurrency and Parallelism,LEWG Library Evolution
P3187R1 remove ensure_started and start_detached from P2300 Kirk Shoop 2024-03-20 2024-04 P3187R0 SG1 Concurrency and Parallelism,LEWG Library Evolution
P3188R0 Proxy: A Pointer-Semantics-Based Polymorphism Library - Presentation slides for P3086R1 Mingxin Wang 2024-04-16 2024-04   LEWGI SG18: LEWG Incubator
P3189R0 Slides for LEWG presentation of P2900R6: Contracts for C++ Timur Doumler 2024-03-18 2024-04   LEWG Library Evolution
P3190R0 Slides for EWG presentation of D2900R7: Contracts for C++ Timur Doumler 2024-03-19 2024-04   EWG Evolution
P3191R0 Feedback on the scalability of contract violation handlers in P2900 Louis Dionne 2024-03-20 2024-04   SG21 Contracts,EWG Evolution
P3192R0 LEWGI/SG18 Presentation of P3104R1 Bit Permutations Jan Schultke 2024-03-19 2024-04   LEWGI SG18: LEWG Incubator
P3194R0 LEWGI/SG18 Presentation of P3105R1 constexpr std::uncaught_exceptions() Jan Schultke 2024-03-19 2024-04   LEWGI SG18: LEWG Incubator
P3196R0 Core Language Working Group "ready" Issues for the March, 2024 meeting Jens Maurer 2024-03-22 2024-04   CWG Core
P3197R0 A response to the Tokyo EWG polls on the Contracts MVP (P2900R6) Timur Doumler 2024-04-12 2024-04   SG21 Contracts,EWG Evolution
P3198R0 A takeaway from the Tokyo LEWG meeting on Contracts MVP Andrzej Krzemieński 2024-03-29 2024-04   SG21 Contracts
P3199R0 Choices for make_optional and value() Steve Downey 2024-03-22 2024-04   LEWG Library Evolution
P3201R0 LEWG [[nodiscard]] policy Jonathan Wakely 2024-03-21 2024-04   LEWG Library Evolution
P3201R1 LEWG [[nodiscard]] policy Jonathan Wakely 2024-03-21 2024-04 P3201R0 LEWG Library Evolution
P3203R0 Implementation defined coroutine extensions Klemens Morgenstern 2024-03-22 2024-04   EWGI SG17: EWG Incubator
P3205R0 Throwing from a `noexcept` function should be a contract violation. Gašper Ažman 2024-04-15 2024-04   SG21 Contracts,EWG Evolution,LEWG Library Evolution
P3207R0 More & like Jarrad J Waterloo 2024-03-24 2024-04   LEWG Library Evolution
P3208R0 import std; and stream macros Sunghyun Min 2024-04-16 2024-04   EWGI SG17: EWG Incubator,LEWGI SG18: LEWG Incubator
P3210R0 A Postcondition *is* a Pattern Match Andrew Tomazos 2024-03-28 2024-04   SG21 Contracts,EWG Evolution
P3211R0 views::transform_join Hewill Kang 2024-04-07 2024-04   SG9 Ranges,LEWG Library Evolution,LWG Library,Direction Group
P3213R0 2024-04 Library Evolution Polls Inbal Levi 2024-04-16 2024-04   LEWG Library Evolution
P3215R0 Slides: Thread Attributes as Designators (P3072R2 presentation) Zhihao Yuan 2024-03-29 2024-04   LEWG Library Evolution
P3216R0 views::slice Hewill Kang 2024-04-07 2024-04   SG9 Ranges,LEWG Library Evolution,LWG Library,Direction Group
P3217R0 Adjoints to "Enabling list-initialization for algorithms": find_last Giuseppe D'Angelo 2024-03-31 2024-04   LEWG Library Evolution,LWG Library
P3218R0 const references to constexpr variables Jarrad J Waterloo 2024-04-09 2024-04   EWG Evolution,CWG Core
P3220R0 views::delimit Hewill Kang 2024-04-16 2024-04   SG9 Ranges,LEWG Library Evolution,LWG Library,Direction Group
P3221R0 Disable pointers to contracted functions Jonas Persson 2024-04-15 2024-04   SG21 Contracts
P3222R0 Fix C++26 by adding transposed special cases for P2642 layouts Mark Hoemmen 2024-04-08 2024-04   LEWG Library Evolution
P3223R0 Making std::basic_istream::ignore less surprising Jonathan Wakely 2024-04-12 2024-04   LEWG Library Evolution
P3224R0 Slides for P3087 - Make direct-initialization for enumeration types at least as permissive as direct Jan Schultke 2024-04-04 2024-04   EWGI SG17: EWG Incubator
P3225R0 Slides for P3140 std::int_least128_t Jan Schultke 2024-04-04 2024-04   EWGI SG17: EWG Incubator,LEWGI SG18: LEWG Incubator
P3226R0 Contracts for C++: Naming the "Louis semantic" Timur Doumler 2024-04-12 2024-04   SG21 Contracts
P3228R0 Contracts for C++: Revisiting contract check elision and duplication Timur Doumler 2024-04-16 2024-04   SG21 Contracts

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