ISO/ IEC JTC1/SC22/WG21 - Papers 2023

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
SD-1 2023 PL22.16/WG21 document list Nevin Liber 2023-12-18 2023-18

mailing2023-01

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
2023-01
N4928 Working Draft, Standard for Programming Language C++ Thomas Köppe 2022-12-18 2023-01 N4917 WG21
N4929 Editors' Report - Programming Languages - C++ Thomas Köppe 2022-12-18 2023-01 WG21
N4933 WG21 November 2022 Kona Minutes of Meeting Nina Ranns 2022-12-05 2023-01 WG21
N4934 2023 WG21 admin telecon meetings Herb Sutter 2023-01-14 2023-01 WG21
N4935 2023 Varna Meeting Invitation and Information Vassil Vassilev, Mark Zeren, Vassil Keremidchiev, Stanimir Lukanov 2022-12-15 2023-01 WG21
N4936 2023-11 Kona meeting information Herb Sutter 2022-12-16 2023-01 WG21
N4937 Programming Languages — C++ Extensions for Library Fundamentals, Version 3 Thomas Köppe 2022-12-15 2023-01 WG21
N4938 Editor's Report: C++ Extensions for Library Fundamentals, Version 3 Thomas Köppe 2022-12-17 2023-01 WG21
N4939 Working Draft, C++ Extensions for Library Fundamentals, Version 3 Thomas Köppe 2022-12-17 2023-01 N4926 WG21
P0260R5 C++ Concurrent Queues Lawrence Crowl, Chris Mysen, Detlef Vollmann 2023-01-15 2023-01 P0260R4 SG1, Library Evolution
P0342R1 What does "current time" mean? Mike Spertus 2023-01-15 2023-01 P0342R0 SG1
P0792R12 function_ref: a non-owning reference to a Callable Vittorio Romeo, Zhihao Yuan, Jarrad Waterloo 2022-11-30 2023-01 P0792R11 Library
P1383R1 More constexpr for cmath and complex Oliver Rosten 2022-11-21 2023-01 P1383R0 SG6, Library Evolution, Library
P1673R11 A free function linear algebra interface based on the BLAS Mark Hoemmen, Daisy Hollman,Christian Trott,Daniel Sunderland,Nevin Liber,Alicia KlinvexLi-Ta Lo,Damien Lebrun-Grandie,Graham Lopez,Peter Caday,Sarah Knepper,Piotr Luszczek,Timothy Costa 2023-01-15 2023-01 P1673R10 Library Evolution
P1684R4 mdarray: An Owning Multidimensional Array Analog of mdspan Christian Trott, David Hollman,Mark Hoemmen,Daniel Sunderland,Damien Lebrun-Grandie 2023-01-15 2023-01 P1684R3 Library Evolution
P1883R2 file_handle and mapped_file_handle Niall Douglas 2022-11-25 2023-01 P1883R1 SG1, LEWGI
P1928R2 Merge data-parallel types from the Parallelism TS 2 Matthias Kretz 2023-01-15 2023-01 P1928R1 Library Evolution
P1967R10 #embed - a simple, scannable preprocessor-based resource acquisition method JeanHeyd Meneide 2023-01-09 2023-01 P1967R9 Core
P2013R5 Freestanding Language: Optional ::operator new Ben Craig 2022-12-07 2023-01 P2013R4 Library
P2047R5 An allocator-aware optional type Nina Ranns, Pablo Halpern Ville Voutilainen 2023-01-11 2023-01 P2047R4 Library Evolution
P2075R2 Philox as an extension of the C++ RNG engines Pavel Dyakov, Ilya Burylov; Ruslan Arutyunyan; Andrey Nikolaev; John Salmon 2023-01-12 2023-01 P2075R1 SG6, Library Evolution
P2164R9 views::enumerate Corentin Jabot 2022-12-07 2023-01 P2164R8 Library
P2169R3 A Nice Placeholder With No Name Corentin Jabot, Michael Park 2022-12-15 2023-01 P2169R2 Evolution
P2198R6 Freestanding Feature-Test Macros and Implementation-Defined Extensions Ben Craig 2022-12-06 2023-01 P2198R5 Library
P2198R7 Freestanding Feature-Test Macros and Implementation-Defined Extensions Ben Craig 2022-12-14 2023-01 P2198R6 Library
P2338R3 Freestanding Library: Character primitives and the C library Ben Craig 2022-12-06 2023-01 P2338R2 Library
P2363R4 Extending associative containers with the remaining heterogeneous overloads Konstantin Boyarinov, Sergey Vinogradov, Ruslan Arutyunyan 2023-01-15 2023-01 P2363R3 Library
P2406R1 Fix counted_iterator interaction with input iterators Yehezkel Bernat, Yehuda Bernat 2023-01-10 2023-01 P2406R0 SG9
P2406R2 Add lazy_counted_iterator Yehezkel Bernat, Yehuda Bernat 2023-01-10 2023-01 P2406R1 SG9, Library Evolution
P2407R2 Freestanding Library: Partial Classes Emil Meissner, Ben Craig 2023-01-03 2023-01 P2407R1 Library
P2508R2 Exposing std::basic-format-string Barry Revzin 2023-01-09 2023-01 P2508R1 Library Evolution
P2530R2 Why Hazard Pointers should be in C++26 Maged Michael, Maged M. Michael, Michael Wong, Paul McKenney, Andrew Hunter, Daisy S. Hollman, JF Bastien, Hans Boehm, David Goldblatt, Frank Birbacher, Mathias Stearn 2023-01-12 2023-01 P2530R1 Library
P2537R2 Relax va_start Requirements to Match C JeanHeyd Meneide 2022-11-28 2023-01 P2537R1 Library Evolution
P2545R2 Why RCU Should be in C++26 Paul E. McKenney, Michael Wong, Maged M. Michael, Geoffrey Romer, Andrew Hunter, Arthur O’Dwyer, Daisy Hollman, JF Bastien, Hans Boehm, David Goldblatt, Frank Birbacher, Erik Rigtorp, Tomasz Kamiński, Jens Maurer 2023-01-13 2023-01 P2545R1 Library Evolution
P2570R2 Contract predicates that are not predicates Andrzej Krzemieński 2023-01-14 2023-01 P2570R1 SG21
P2591R2 Concatenation of strings and string views Giuseppe D'Angelo 2022-11-29 2023-01 P2591R1 Library Evolution
P2616R3 Making std::atomic notification/wait operations usable in more situations Lewis Baker 2022-11-29 2023-01 P2616R2 SG1, Library Evolution
P2630R2 Submdspan Christian Trott, Mark Hoemmen, Damien Lebrun-Grandie, Nevin Liber 2023-01-13 2023-01 P2630R1 Library Evolution
P2636R2 References to ranges should always be viewable Hannes Hauswedell 2023-01-14 2023-01 P2636R1 SG9, Library Evolution
P2642R2 Padded mdspan layouts Mark Hoemmen, Christian Trott,Damien Lebrun-Grandie,Malte Förster,Jiaming Yuan 2023-01-15 2023-01 P2642R1 Library Evolution
P2656R1 C++ Ecosystem International Standard René Ferdinand Rivera Morell, Ben Craig 2022-12-16 2023-01 P2656R0 SG15
P2659R2 A Proposal to Publish a Technical Specification for Contracts Brian Bi, Alisdair Meredith 2022-12-05 2023-01 P2659R1 SG21, Evolution
P2675R1 LWG3780: The Paper (format's width estimation is too approximate and not forward compatible) Corentin Jabot 2022-12-15 2023-01 P2675R0 SG16, Library
P2677R2 Reconsidering concepts in-place syntax Mike Spertus 2023-01-15 2023-01 P2677R1 Evolution
P2680R1 Contracts for C++: Prioritizing Safety Gabriel Dos Reis 2022-12-15 2023-01 P2680R0 SG21
P2689R1 atomic_accessor Christian Trott, Mark Hoemmen, Damien Lebrun-Grandie, Dan Sunderland, Nevin Liber 2023-01-14 2023-01 P2689R0 SG1, Library Evolution
P2700R1 Questions on P2680 "Contracts for C++: Prioritizing Safety" Timur Doumler, Andrzej Krzemieński, John Lakos, Joshua Berne, Brian Bi, Peter Brett, Oliver Rosten, Herb Sutter 2022-12-17 2023-01 P2700R0 SG21
P2713R0 Escaping improvements in std::format Victor Zverovich 2022-11-30 2023-01 Library Evolution
P2713R1 Escaping improvements in std::format Victor Zverovich 2022-11-30 2023-01 P2713R0 Library Evolution
P2714R0 Bind front and back to NTTP callables Zhihao Yuan, Tomasz Kamiński 2023-01-13 2023-01 Library Evolution
P2717R0 Tool Introspection René Ferdinand Rivera Morell 2022-12-16 2023-01 SG15
P2723R1 Zero-initialize objects of automatic storage duration JF Bastien 2023-01-15 2023-01 P2723R0 SG12, SG22, Evolution
P2724R0 constant dangling Jarrad J. Waterloo 2022-12-12 2023-01 Evolution
P2725R1 std::integral_constant Literals Zach Laine 2022-12-23 2023-01 P2725R0 Library Evolution
P2728R0 Unicode in the Library, Part 1: UTF Transcoding Zach Laine 2022-12-24 2023-01 SG16, LEWGI, Library Evolution
P2729R0 Unicode in the Library, Part 2: Normalization Zach Laine 2022-12-24 2023-01 LEWGI, Library Evolution
P2730R0 variable scope Jarrad J. Waterloo 2022-11-27 2023-01 Evolution
P2732R0 WG21 November 2022 Kona meeting Record of Discussion Nina Ranns 2022-12-08 2023-01 WG21
P2733R0 Fix handling of empty specifiers in std::format Victor Zverovich 2022-12-10 2023-01 Library Evolution
P2734R0 Adding the new 2022 SI prefixes Marc Mutz 2022-11-30 2023-01 Library
P2735R0 C xor C++ Programming Aaron Ballman 2022-12-05 2023-01 SG22
P2736R0 Referencing the Unicode Standard Corentin Jabot 2022-12-15 2023-01 SG16
P2737R0 Proposal of Condition-centric Contracts Syntax Andrew Tomazos 2022-12-30 2023-01 SG21
P2738R0 constexpr cast from void*: towards constexpr type-erasure Corentin Jabot, David Ledger 2022-12-15 2023-01 Evolution
P2739R0 A call to action: Think seriously about "safety" then do something sensible about it Bjarne Stroustrup 2022-12-07 2023-01 WG21
P2740R0 Simpler implicit dangling resolution Jarrad J. Waterloo 2022-12-12 2023-01 Evolution
P2741R0 user-generated static_assert messages Corentin Jabot 2022-12-09 2023-01 Evolution
P2742R0 indirect dangling identification Jarrad J. Waterloo 2022-12-12 2023-01 Evolution
P2743R0 Contracts for C++: Prioritizing Safety - Presentation slides of P2680R0 Gabriel Dos Reis 2022-12-13 2023-01 SG21
P2746R0 Deprecate and Replace Fenv Rounding Modes Hans Boehm 2022-12-15 2023-01 SG6, Library Evolution
P2747R0 Limited support for constexpr void* Barry Revzin 2022-12-17 2023-01 Evolution
P2748R0 Disallow Binding a Returned glvalue to a Temporary Brian Bi 2023-01-13 2023-01 Evolution
P2750R0 C Dangling Reduction Jarrad J. Waterloo 2022-12-19 2023-01 Evolution
P2751R0 Evaluation of Checked Contracts Joshua Berne 2023-01-14 2023-01 SG21
P2752R0 Static storage for braced initializers Arthur O'Dwyer 2023-01-09 2023-01 EWGI, Evolution
P2756R0 Proposal of Simple Contract Side Effect Semantics Andrew Tomazos 2023-01-09 2023-01 SG21
P2757R0 Type checking format args Barry Revzin 2023-01-08 2023-01 Library Evolution
P2758R0 Emitting messages at compile time Barry Revzin 2023-01-13 2023-01 Evolution
P2759R0 DG Opinion on Safety for ISO C++ Michael Wong, H. Hinnant, R. Orr, B. Stroustrup, D. Vandevoorde 2023-01-15 2023-01 WG21
P2762R0 Sender/Receiver Interface For Networking Dietmar Kühl 2023-01-13 2023-01 SG4, Library Evolution
P2763R0 `layout_stride` static extents default constructor fix Christian Trott, Damien Lebrun-Grandie, Mark Hoemmen, Nevin Liber 2023-01-13 2023-01 Library Evolution, Library
P2764R0 SG14: Low Latency/Games/Embedded/Finance/Simulation virtual meeting minutes 2023/01/11 Michael Wong 2023-01-14 2023-01 SG14
P2765R0 SG19: Machine Learning Virtual Meeting Minutes 2022/12/08-2023/01/12 Michael Wong 2023-01-14 2023-01 SG19
P2766R0 SG16: Unicode meeting summaries 2022-10-12 through 2022-12-14 Tom Honermann 2023-01-15 2023-01 SG16
P2769R0 get_element customization point object Ruslan Arutyunyan, Alexey Kukanov 2023-01-15 2023-01 SG9, Library Evolution

mailing2023-02

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
2023-02
P0290R3 apply() for synchronized_value Anthony Williams 2023-01-17 2023-02 P0290R2 SG9 Ranges,Library Evolution
P0290R4 apply() for synchronized_value Anthony Williams 2023-02-16 2023-02 P0290R3 Core
P0447R21 Introduction of std::hive to the standard library Matt Bentley 2023-02-12 2023-02 P0447R20 Library Evolution
P0493R4 Atomic maximum/minimum Al Grant, Al Grant, Bronek Kozicki, Tim Northover 2023-02-15 2023-02 P0493R3 SG16 Unicode,Core
P0792R13 function_ref: a non-owning reference to a Callable Vittorio Romeo, Zhihao Yuan, Jarrad Waterloo 2023-02-09 2023-02 P0792R12 SG23 Safety and Security,Evolution
P0792R14 function_ref: a non-owning reference to a Callable Vittorio Romeo, Zhihao Yuan, Jarrad Waterloo 2023-02-09 2023-02 P0792R13 Evolution
P0870R5 A proposal for a type trait to detect narrowing conversions Giuseppe D'Angelo 2023-02-15 2023-02 P0870R4 Evolution
P0876R12 fiber_context - fibers without scheduler Oliver Kowalke, Nat Goodspeed 2023-02-09 2023-02 P0876R11 Evolution
P1061R4 Structured Bindings can introduce a Pack Barry Revzin, Jonathan Wakely 2023-02-15 2023-02 P1061R3 Library
P1708R7 Basic Statistics Richard Dosselmann 2023-02-06 2023-02 P1708R6 EWGI
P1715R1 Loosen restrictions on "_t" typedefs and "_v" values. Jorg Brown 2023-02-06 2023-02 P1715R0 LEWGI,Library Evolution
P1759R5 Native handles and file streams Elias Kosunen 2023-02-12 2023-02 P1759R4 Library
P1854R4 Making non-encodable string literals ill-formed Corentin Jabot 2023-02-08 2023-02 P1854R3 SG1 Concurrency and Parallelism,Library Evolution
P1928R3 Merge data-parallel types from the Parallelism TS 2 Matthias Kretz 2023-02-03 2023-02 P1928R2 Evolution
P2022R0 Rangified version of lexicographical_compare_three_way Ran Regev 2023-02-06 2023-02 Library Evolution
P2047R6 An allocator-aware optional type Nina Ranns, Pablo Halpern Ville Voutilainen 2023-02-02 2023-02 P2047R5 SG16 Unicode
P2159R1 A Big Decimal Type Bill Seymour 2023-02-06 2023-02 P2159R0 Library
P2300R6 `std::execution` Michał Dominiak, Georgy Evtushenko, Lewis Baker, Lucian Radu Teodorescu, Lee Howes, Kirk Shoop, Michael Garland, Eric Niebler, Bryce Adelstein Lelbach 2023-01-19 2023-02 P2300R5 SG23 Safety and Security,WG21
P2308R0 Template parameter initialization S. Davis Herring 2023-02-13 2023-02 SG1 Concurrency and Parallelism,Library Evolution
P2338R4 Freestanding Library: Character primitives and the C library Ben Craig 2023-02-09 2023-02 P2338R3 SG1 Concurrency and Parallelism,Library Evolution
P2355R1 Postfix fold expressions S. Davis Herring 2023-02-13 2023-02 P2355R0 SG9 Ranges,SG16 Unicode,LEWGI,Library Evolution
P2361R6 Unevaluated strings Corentin Jabot, Aaron Ballman 2023-02-12 2023-02 P2361R5 Library
P2363R5 Extending associative containers with the remaining heterogeneous overloads Konstantin Boyarinov, Sergey Vinogradov, Ruslan Arutyunyan 2023-02-10 2023-02 P2363R4 SG23 Safety and Security
P2406R3 Add lazy_counted_iterator Yehezkel Bernat, Yehuda Bernat 2023-02-06 2023-02 P2406R2 SG23 Safety and Security
P2406R4 Add lazy_counted_iterator Yehezkel Bernat, Yehuda Bernat 2023-02-07 2023-02 P2406R3 SG22 Compatability,SG23 Safety and Security
P2406R5 Add lazy_counted_iterator Yehezkel Bernat, Yehuda Bernat 2023-02-08 2023-02 P2406R4 SG22 Compatability,SG23 Safety and Security
P2495R2 Interfacing stringstreams with string_view Michael Hava 2023-02-14 2023-02 P2495R1 SG22 Compatability,SG23 Safety and Security
P2497R0 Testing for success or failure of charconv functions Jonathan Wakely 2023-01-25 2023-02 SG14 Low Latency,Evolution,Library Evolution
P2521R3 Contract support -- Record of SG21 consensus Andrzej Krzemieński, Gašper Ažman, Joshua Berne, Bronek Kozicki, Ryan McDougall, Caleb Sunstrum 2023-02-10 2023-02 P2521R2 SG21 Contracts
P2527R2 std::variant_alternative_index and std::tuple_element_index Alex Christensen 2023-01-27 2023-02 P2527R1 SG14 Low Latency,Library Evolution,WG21
P2545R3 Why RCU Should be in C++26 Paul E. McKenney, Michael Wong, Maged M. Michael, Geoffrey Romer, Andrew Hunter, Arthur O’Dwyer, Daisy Hollman, JF Bastien, Hans Boehm, David Goldblatt, Frank Birbacher, Erik Rigtorp, Tomasz Kamiński, Jens Maurer 2023-02-15 2023-02 P2545R2 Library Evolution
P2558R2 Add @, $, and ` to the basic character set Steve Downey 2023-02-08 2023-02 P2558R1 Library Evolution
P2572R1 std::format() fill character allowances Tom Honermann 2023-02-08 2023-02 P2572R0 EWGI,LEWGI
P2588R3 Relax std::barrier phase completion step guarantees Gonzalo Brito, Eric A Niebler, Anthony Williams, Thomas Rodgers 2023-02-07 2023-02 P2588R2 Library Evolution
P2591R3 Concatenation of strings and string views Giuseppe D'Angelo 2023-01-30 2023-02 P2591R2 Library Evolution
P2592R3 Hashing support for std::chrono value classes Giuseppe D'Angelo 2023-02-10 2023-02 P2592R2 Evolution
P2593R1 Allowing static_assert(false) Barry Revzin 2023-01-20 2023-02 P2593R0 Library Evolution,Library
P2594R1 Slides: Allow programmer to control coroutine elision (P2477R3 Presentation)) Chuanqi Xu 2023-02-07 2023-02 P2594R0 Library Evolution
P2609R2 Relaxing Ranges Just A Smidge John Eivind Helset 2023-01-22 2023-02 P2609R1 Evolution,Core
P2609R3 Relaxing Ranges Just A Smidge John Eivind Helset 2023-02-10 2023-02 P2609R2 Evolution
P2616R4 Making std::atomic notification/wait operations usable in more situations Lewis Baker 2023-02-16 2023-02 P2616R3 Core
P2621R2 UB? In my Lexer? Corentin Jabot 2023-02-08 2023-02 P2621R1 WG21
P2641R2 Checking if a union alternative is active Barry Revzin 2023-02-07 2023-02 P2641R1 WG21
P2652R2 Disallow user specialization of allocator_traits Pablo Halpern 2023-02-09 2023-02 P2652R1 SG6 Numerics,SG19 Machine Learning
P2655R2 common_reference_t of reference_wrapper Should Be a Reference Type Hui Xie, S. Levent Yilmaz, Tim Song 2023-02-06 2023-02 P2655R1 SG6 Numerics,SG14 Low Latency,Library Evolution,Library
P2655R3 common_reference_t of reference_wrapper Should Be a Reference Type Hui Xie, S. Levent Yilmaz, Tim Song 2023-02-07 2023-02 P2655R2 SG9 Ranges,Library Evolution
P2656R2 C++ Ecosystem International Standard René Ferdinand Rivera Morell, Ben Craig 2023-02-15 2023-02 P2656R1 Library Evolution,Library,Direction Group
P2663R1 Proposal to support interleaved complex values in std::simd Daniel Towner 2023-01-25 2023-02 P2663R0 SG9 Ranges,Library Evolution
P2664R1 Proposal to extend std::simd with permutation API Daniel Towner 2023-01-25 2023-02 P2664R0 SG6 Numerics
P2670R1 Non-transient constexpr allocation Barry Revzin 2023-02-03 2023-02 P2670R0 Library
P2679R2 Fixing std::start_lifetime_as and std::start_lifetime_as_array Timur Doumler, Arthur O'Dwyer, Richard Smith, Alisdair Meredith, Robert Leahy 2023-02-14 2023-02 P2679R1 Library Evolution,Core,Library
P2681R1 More Basic Statistics Richard Dosselmann 2023-02-06 2023-02 P2681R0 Library Evolution
P2693R1 Formatting thread::id and stacktrace Corentin Jabot, Victor Zverovich 2023-02-09 2023-02 P2693R0 Evolution
P2695R1 A proposed plan for contracts in C++ Timur Doumler, John Spicer 2023-02-09 2023-02 P2695R0 Core
P2724R1 constant dangling Jarrad J. Waterloo 2023-02-14 2023-02 P2724R0 Library Evolution
P2727R1 std::iterator_interface Zach Laine 2023-02-01 2023-02 P2727R0 Library Evolution
P2730R1 variable scope Jarrad J. Waterloo 2023-02-15 2023-02 P2730R0 SG9 Ranges,Library Evolution
P2733R1 Fix handling of empty specifiers in std::format Victor Zverovich 2023-02-06 2023-02 P2733R0 Evolution,Core
P2733R2 Fix handling of empty specifiers in std::format Victor Zverovich 2023-02-09 2023-02 P2733R1 WG21
P2733R3 Fix handling of empty specifiers in std::format Victor Zverovich 2023-02-10 2023-02 P2733R2 Library
P2736R2 Referencing the Unicode Standard Corentin Jabot 2023-02-09 2023-02 P2736R1 SG9 Ranges,Library Evolution
P2738R1 constexpr cast from void*: towards constexpr type-erasure Corentin Jabot, David Ledger 2023-02-13 2023-02 P2738R0 SG9 Ranges,Library Evolution
P2740R1 Simpler implicit dangling resolution Jarrad J. Waterloo 2023-01-16 2023-02 P2740R0 SG22 Compatability,Evolution
P2740R2 Simpler implicit dangling resolution Jarrad J. Waterloo 2023-02-14 2023-02 P2740R1 SG9 Ranges,Library Evolution
P2741R1 user-generated static_assert messages Corentin Jabot 2023-02-12 2023-02 P2741R0 Evolution
P2742R1 indirect dangling identification Jarrad J. Waterloo 2023-01-16 2023-02 P2742R0 Evolution
P2742R2 indirect dangling identification Jarrad J. Waterloo 2023-02-14 2023-02 P2742R1 Library
P2749R0 Down with "character" Corentin Jabot 2023-02-12 2023-02 Library
P2750R1 C Dangling Reduction Jarrad J. Waterloo 2023-01-16 2023-02 P2750R0 SG16 Unicode,SG22 Compatability
P2750R2 C Dangling Reduction Jarrad J. Waterloo 2023-02-14 2023-02 P2750R1 Library
P2751R1 Evaluation of Checked Contracts Joshua Berne 2023-02-14 2023-02 P2751R0 Library Evolution,Library
P2754R0 Deconstructing Avoiding Uninitialized Reads of Auto Variables Jake Fevold 2023-01-24 2023-02 Library
P2759R1 DG Opinion on Safety for ISO C++ Michael Wong, H. Hinnant, R. Orr, B. Stroustrup, D. Vandevoorde 2023-01-23 2023-02 P2759R0 Library Evolution,Library
P2763R1 `layout_stride` static extents default constructor fix Christian Trott, Damien Lebrun-Grandie, Mark Hoemmen, Nevin Liber 2023-02-07 2023-02 P2763R0 Library Evolution
P2770R0 Stashing stashing iterators for proper flattening Tim Song 2023-02-01 2023-02 Library Evolution
P2771R0 Towards memory safety in C++ Thomas Neumann 2023-01-17 2023-02 SG21 Contracts,Evolution
P2772R0 std::integral_constant literals do not suffice - constexpr_t? Matthias Kretz 2023-01-17 2023-02 Library
P2773R0 Considerations for Unicode algorithms Corentin Jabot 2023-02-16 2023-02 Library
P2779R0 Make basic_string_view's range construction conditionally explicit Giuseppe D'Angelo 2023-02-02 2023-02 Library
P2782R0 A proposal for a type trait to detect if value initialization can be achieved by zero-filling Giuseppe D'Angelo 2023-02-13 2023-02 Library Evolution
P2784R0 Not halting the program after detected contract violation Andrzej Krzemieński 2023-02-09 2023-02 Evolution
P2786R0 Trivial relocatability options Mungo Gill, Alisdair Meredith 2023-02-11 2023-02 SG1 Concurrency and Parallelism,Library Evolution
P2787R0 pmr::generator - Promise Types are not Values Steve Downey 2023-02-06 2023-02 Library
P2787R1 pmr::generator - Promise Types are not Values Steve Downey 2023-02-08 2023-02 P2787R0 Library
P2788R0 Linkage for modular constants S. Davis Herring 2023-02-11 2023-02 Evolution
P2789R0 C++ Standard Library Ready Issues to be moved in Issaquah, Feb. 2023 Jonathan Wakely 2023-02-13 2023-02 Evolution,Core
P2790R0 C++ Standard Library Immediate Issues to be moved in Issaquah, Feb. 2023 Jonathan Wakely 2023-02-13 2023-02 SG21 Contracts
P2791R0 mandate concepts for new features Ran Regev 2023-02-08 2023-02 SG15 Tooling
P2796R0 Core Language Working Group "ready" Issues for the February, 2023 meeting Jens Maurer 2023-02-12 2023-02 Library
P2797R0 Proposed resolution for CWG2692 Static and explicit object member functions with the same par Gašper Ažman 2023-02-11 2023-02 Evolution
P2798R0 Fix layout mappings all static extent default constructor Christian Trott, Damien Lebrun-Grandie, Mark Hoemmen 2023-02-09 2023-02 Library Evolution
P2799R0 Closed ranges may be a problem; breaking counted_iterator is not the solution Tim Song 2023-02-14 2023-02 Core,Library
P2802R0 Presentation of P1385R7 to LEWG at Issaquah 2023 Guy Davidson 2023-02-09 2023-02 SG21 Contracts
P2803R0 std::simd Intro slides Matthias Kretz 2023-02-09 2023-02 SG15 Tooling
P2805R0 fiber_context: fibers without scheduler - LEWG slides Nat Goodspeed 2023-02-10 2023-02 Evolution
P2806R0 do expressions Barry Revzin, Bruno Cardoso Lopez, Zach Laine, Michael Park 2023-02-14 2023-02 SG1 Concurrency and Parallelism,Library
P2807R0 Issaquah Slides for Intel response to std::simd Daniel Towner 2023-02-10 2023-02 SG6 Numerics,Library Evolution,Library
P2808R0 Internal linkage in the global module S. Davis Herring, Michael Spencer 2023-02-13 2023-02 Library
P2810R0 is_debugger_present is_replaceable René Ferdinand Rivera Morell, Ben Craig 2023-02-15 2023-02 Library Evolution
P2812R0 P1673R11 LEWG presentation Mark Hoemmen, Christian Trott,Damien Lebrun-Grandie,Nevin Liber 2023-02-14 2023-02 Library
P2815R0 Slides for presentation on P2188R1 Anthony Williams 2023-02-16 2023-02 Evolution
P2816R0 Safety Profiles: Type-and-resource Safe programming in ISO Standard C++ Bjarne Stroustrup, Gabriel Dos Reis 2023-02-16 2023-02 WG21

mailing2023-04

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
2023-04
N4940 WG21 2022-11 Kona Minutes of Meeting V2 Nina Ranns 2023-01-23 2023-04 WG21
N4941 INCITS C++/WG21 Agenda: 6-11 February 2023, Issaquah, WA USA John Spicer 2023-01-21 2023-04 WG21
N4942 WG21 2023-01 Admin telecon minutes Nina Ranns 2023-02-02 2023-04 WG21
N4943 WG21 February 2023 Issaquah Minutes of Meeting Nina Ranns 2023-03-06 2023-04 WG21
N4944 Working Draft, Standard for Programming Language C++ Thomas Köppe 2023-03-22 2023-04 N4928 WG21
N4945 Editors' Report - Programming Languages - C++ Thomas Köppe 2023-03-23 2023-04 WG21
P0876R13 fiber_context - fibers without scheduler Oliver Kowalke, Nat Goodspeed 2023-03-02 2023-04 P0876R12 Library Evolution
P1144R7 std::is_trivially_relocatable Arthur O'Dwyer 2023-03-10 2023-04 P1144R6 EWGI,LEWGI,Evolution,Library Evolution
P1673R12 A free function linear algebra interface based on the BLAS Mark Hoemmen, Daisy Hollman,Christian Trott,Daniel Sunderland,Nevin Liber,Alicia KlinvexLi-Ta Lo,Damien Lebrun-Grandie,Graham Lopez,Peter Caday,Sarah Knepper,Piotr Luszczek,Timothy Costa 2023-03-15 2023-04 P1673R11 Library
P1885R11 Naming Text Encodings to Demystify Them Corentin Jabot, Peter Brett 2023-03-22 2023-04 P1885R10 Library
P2022R1 Rangified version of lexicographical_compare_three_way Ran Regev 2023-03-11 2023-04 P2022R0 SG9 Ranges,Library Evolution
P2287R2 Designated-initializers for base classes Barry Revzin 2023-03-12 2023-04 P2287R1 Evolution
P2407R3 Freestanding Library: Partial Classes Emil Meissner, Ben Craig 2023-03-05 2023-04 P2407R2 Library
P2447R3 std::span over an initializer list Arthur O'Dwyer, Federico Kircheis 2023-03-15 2023-04 P2447R2 Library Evolution
P2530R3 Hazard Pointers for C++26 Maged Michael, Maged M. Michael, Michael Wong, Paul McKenney, Andrew Hunter, Daisy S. Hollman, JF Bastien, Hans Boehm, David Goldblatt, Frank Birbacher, Mathias Stearn 2023-03-02 2023-04 P2530R2 Library
P2545R4 Read-Copy Update (RCU) Paul E. McKenney, Michael Wong, Maged M. Michael, Geoffrey Romer, Andrew Hunter, Arthur O’Dwyer, Daisy Hollman, JF Bastien, Hans Boehm, David Goldblatt, Frank Birbacher, Erik Rigtorp, Tomasz Kamiński, Jens Maurer 2023-03-08 2023-04 P2545R3 Library
P2630R3 Submdspan Christian Trott, Mark Hoemmen, Damien Lebrun-Grandie, Nevin Liber 2023-03-15 2023-04 P2630R2 Library Evolution,Library
P2690R1 Presentation for C++17 parallel algorithms and P2300 Ruslan Arutyunyan 2023-03-16 2023-04 P2690R0 SG1 Concurrency and Parallelism,Library Evolution
P2746R1 Deprecate and Replace Fenv Rounding Modes Hans Boehm 2023-03-15 2023-04 P2746R0 SG6 Numerics,Library Evolution
P2752R1 Static storage for braced initializers Arthur O'Dwyer 2023-03-10 2023-04 P2752R0 Evolution,Core
P2757R1 Type checking format args Barry Revzin 2023-03-14 2023-04 P2757R0 Library Evolution
P2780R0 Caller-side precondition checking, and Eval_and_throw Ville Voutilainen 2023-03-02 2023-04 SG21 Contracts
P2806R1 do expressions Barry Revzin, Bruno Cardoso Lopez, Zach Laine, Michael Park 2023-03-12 2023-04 P2806R0 Evolution
P2809R0 Trivial infinite loops are not Undefined Behavior JF Bastien 2023-03-15 2023-04 SG1 Concurrency and Parallelism,SG22 Compatability,Evolution
P2811R0 Contract Violation Handlers Joshua Berne 2023-03-20 2023-04 SG21 Contracts
P2811R1 Contract Violation Handlers Joshua Berne 2023-03-20 2023-04 P2811R0 SG21 Contracts
P2817R0 The idea behind the contracts MVP Andrzej Krzemieński 2023-03-05 2023-04 SG21 Contracts
P2818R0 Uniform Call Syntax for explicit-object member functions Gašper Ažman 2023-03-15 2023-04 Evolution
P2819R0 Add tuple protocol to complex Michael Florian Hava, Christoph Hofer 2023-02-23 2023-04 SG6 Numerics,Library Evolution
P2821R0 span.at() Jarrad J. Waterloo 2023-02-21 2023-04 SG23 Safety and Security,Library Evolution
P2824R0 WG21 February 2023 Issaquah meeting Record of Discussion Nina Ranns 2023-03-06 2023-04 WG21
P2825R0 calltarget(unevaluated-call-expression) Gašper Ažman 2023-03-15 2023-04 Evolution
P2826R0 Replacement functions Gašper Ažman 2023-03-15 2023-04 Evolution
P2827R0 Floating-point overflow and underflow in from_chars (LWG 3081) Zhihao Yuan 2023-03-14 2023-04 Library Evolution,Library
P2828R0 Copy elision for direct-initialization with a conversion function (Core issue 2327) Brian Bi 2023-03-13 2023-04 Core
P2830R0 constexpr type comparison Gašper Ažman, Nathan Nichols 2023-03-16 2023-04 Evolution
P2833R0 Freestanding Library: inout expected span Ben Craig 2023-03-13 2023-04 Library Evolution
P2836R0 std::const_iterator often produces an unexpected type Christopher Di Bella 2023-03-21 2023-04 SG9 Ranges,Library Evolution,Library
P2838R0 Unconditional contract violation handling of any kind is a serious problem Ville Voutilainen 2023-03-22 2023-04 SG21 Contracts

mailing2023-05

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
2023-05
N4946 2024-03 Tokyo meeting information JF Bastien 2023-04-14 2023-05 WG21
N4947 INCITS C++/WG21 agenda: 12-17 June 2023, Varna, Bulgaria John Spicer 2023-05-02 2023-05 WG21
N4948 Working Draft, C++ Extensions for Library Fundamentals, Version 3 Thomas Köppe 2023-05-08 2023-05 N4939 WG21
N4949 Editor's Report: C++ Extensions for Library Fundamentals, Version 3 Thomas Köppe 2023-05-08 2023-05 WG21
N4950 Working Draft, Standard for Programming Language C++ Thomas Köppe 2023-05-10 2023-05 N4944 WG21
N4951 Editors' Report - Programming Languages - C++ Thomas Köppe 2023-05-10 2023-05 WG21
N4953 Concurrency TS2 Michael Wong 2023-05-15 2023-05 N4895 WG21
N4954 2023 WG21 admin telecon meetings, rev. 1 Herb Sutter 2023-05-18 2023-05 WG21
P0342R2 pessimize_hint Gonzalo Brito Gadeschi, Mike Spertus 2023-05-17 2023-05 P0342R1 SG1 Concurrency and Parallelism
P0447R22 Introduction of std::hive to the standard library Matt Bentley 2023-05-17 2023-05 P0447R21 SG14 Low Latency,Library Evolution,WG21
P0843R6 static_vector Gonzalo Brito Gadeschi 2023-05-18 2023-05 P0843R5 Library Evolution
P1000R5 C++ IS schedule Herb Sutter 2023-05-10 2023-05 P1000R4 WG21
P1028R5 SG14 status_code and standard error object Niall Douglas 2023-05-11 2023-05 P1028R4 Library Evolution
P1061R5 Structured Bindings can introduce a Pack Barry Revzin, Jonathan Wakely 2023-05-18 2023-05 P1061R4 Evolution
P1068R7 Vector API for random number generation Ilya Burylov, Pavel Dyakov, Ruslan Arutyunyan, Andrey Nikolaev, Alina Elizarova 2023-05-17 2023-05 P1068R6 Library Evolution
P1112R4 Language support for class layout control Pal Balog 2023-05-19 2023-05 P1112R3 Evolution
P1144R8 std::is_trivially_relocatable Arthur O'Dwyer 2023-05-14 2023-05 P1144R7 Evolution,Library Evolution
P1684R5 mdarray: An Owning Multidimensional Array Analog of mdspan Christian Trott, David Hollman,Mark Hoemmen,Daniel Sunderland,Damien Lebrun-Grandie 2023-05-19 2023-05 P1684R4 Library Evolution
P1759R6 Native handles and file streams Elias Kosunen 2023-05-17 2023-05 P1759R5 Library
P1885R12 Naming Text Encodings to Demystify Them Corentin Jabot, Peter Brett 2023-04-05 2023-05 P1885R11 Library
P1901R2 Enabling the Use of weak_ptr as Keys in Unordered Associative Containers Daryl Haresign 2023-04-05 2023-05 P1901R1 Library
P1928R4 std::simd - Merge data-parallel types from the Parallelism TS 2 Matthias Kretz 2023-05-19 2023-05 P1928R3 Library Evolution
P2019R3 Thread attributes Corentin Jabot 2023-05-18 2023-05 P2019R2 Library Evolution
P2022R2 Rangified version of lexicographical_compare_three_way Ran Regev 2023-05-10 2023-05 P2022R1 SG9 Ranges,Library Evolution
P2141R1 Aggregates are named tuples Antony Polukhin 2023-05-03 2023-05 P2141R0 Library Evolution,Library
P2300R7 `std::execution` Eric Niebler, Michał Dominiak, Georgy Evtushenko, Lewis Baker, Lucian Radu Teodorescu, Lee Howes, Kirk Shoop, Michael Garland, Bryce Adelstein Lelbach 2023-04-21 2023-05 P2300R6 Library Evolution,Library
P2447R4 std::span over an initializer list Arthur O'Dwyer, Federico Kircheis 2023-05-14 2023-05 P2447R3 Library Evolution
P2495R3 Interfacing stringstreams with string_view Michael Hava 2023-04-19 2023-05 P2495R2 Library
P2500R1 C++ parallel algorithms and P2300 Ruslan Arutyunyan, Alexey Kukanov 2023-05-17 2023-05 P2500R0 SG1 Concurrency and Parallelism,Library Evolution
P2546R4 Debugging Support René Ferdinand Rivera Morell 2023-05-21 2023-05 P2546R3 Library Evolution,Library
P2548R5 copyable_function Michael Florian Hava 2023-04-03 2023-05 P2548R4 Library Evolution,Library
P2552R2 On the ignorability of standard attributes Timur Doumler 2023-05-19 2023-05 P2552R1 Evolution,Core
P2561R2 A control flow operator Barry Revzin 2023-05-18 2023-05 P2561R1 Evolution
P2621R3 UB? In my Lexer? Corentin Jabot 2023-05-18 2023-05 P2621R2 Core
P2637R2 Member visit Barry Revzin 2023-05-16 2023-05 P2637R1 Library Evolution
P2641R3 Checking if a union alternative is active Barry Revzin 2023-05-16 2023-05 P2641R2 Library Evolution
P2643R1 Improving C++ concurrency features Gonzalo Brito Gadeschi, Olivier Giroux, Thomas Rodgers 2023-05-18 2023-05 P2643R0 SG1 Concurrency and Parallelism
P2654R0 Modules and Macros Alisdair Meredith 2023-05-19 2023-05 Evolution,Library Evolution
P2662R1 Pack Indexing Corentin Jabot, Pablo Halpern 2023-05-18 2023-05 P2662R0 Evolution
P2663R2 Proposal to support interleaved complex values in std::simd Daniel Towner, Ruslan Arutyunyan 2023-04-28 2023-05 P2663R1 Library Evolution
P2663R3 Proposal to support interleaved complex values in std::simd Daniel Towner, Ruslan Arutyunyan 2023-05-17 2023-05 P2663R2 Library Evolution
P2664R2 Proposal to extend std::simd with permutation API Daniel Towner, Ruslan Arutyunyan 2023-04-28 2023-05 P2664R1 SG1 Concurrency and Parallelism,Library Evolution
P2664R3 Proposal to extend std::simd with permutation API Daniel Towner, Ruslan Arutyunyan 2023-05-17 2023-05 P2664R2 SG1 Concurrency and Parallelism,Library Evolution
P2685R1 Language Support For Scoped Objects Alisdair Meredith, Joshua Berne 2023-05-19 2023-05 P2685R0 EWGI
P2686R1 constexpr structured bindings and references to constexpr variables Corentin Jabot, Brian Bi 2023-05-18 2023-05 P2686R0 Evolution,Core
P2689R2 atomic_accessor Nevin Liber, Christian Trott, Mark Hoemmen, Damien Lebrun-Grandie, Dan Sunderland, Nevin Liber 2023-05-25 2023-05 P2689R1 SG1 Concurrency and Parallelism,Library Evolution
P2717R1 Tool Introspection René Ferdinand Rivera Morell 2023-05-17 2023-05 P2717R0 SG15 Tooling
P2727R2 std::iterator_interface Zach Laine 2023-05-03 2023-05 P2727R1 Library Evolution
P2728R1 Unicode in the Library, Part 1: UTF Transcoding Zach Laine 2023-05-05 2023-05 P2728R0 SG16 Unicode,Library Evolution
P2728R2 Unicode in the Library, Part 1: UTF Transcoding Zach Laine 2023-05-10 2023-05 P2728R1 SG16 Unicode,Library Evolution
P2728R3 Unicode in the Library, Part 1: UTF Transcoding Zach Laine 2023-05-10 2023-05 P2728R2 SG16 Unicode,Library Evolution
P2741R2 user-generated static_assert messages Corentin Jabot 2023-05-11 2023-05 P2741R1 Evolution
P2746R2 Deprecate and Replace Fenv Rounding Modes Hans Boehm 2023-05-15 2023-05 P2746R1 SG6 Numerics,Library Evolution
P2748R1 Disallow Binding a Returned Glvalue to a Temporary Brian Bi 2023-05-15 2023-05 P2748R0 Evolution
P2752R2 Static storage for braced initializers Arthur O'Dwyer 2023-05-14 2023-05 P2752R1 Evolution,Core
P2757R2 Type checking format args Barry Revzin 2023-05-16 2023-05 P2757R1 Library Evolution
P2767R0 flat_map/flat_set omnibus Arthur O'Dwyer 2023-05-15 2023-05 Library
P2769R1 get_element customization point object Ruslan Arutyunyan, Alexey Kukanov 2023-05-17 2023-05 P2769R0 SG9 Ranges,Library Evolution
P2771R1 Towards memory safety in C++ Thomas Neumann 2023-05-17 2023-05 P2771R0 SG23 Safety and Security
P2774R0 Scoped thread-local storage Michael Florian Hava 2023-05-10 2023-05 SG1 Concurrency and Parallelism
P2775R0 2023-05 Library Evolution Polls Bryce Adelstein Lelbach, Fabio Fracassi, Ben Craig 2023-05-25 2023-05 Library Evolution
P2781R1 std::constexpr_v Zach Laine, Matthias Kretz 2023-05-04 2023-05 P2781R0 Library Evolution
P2781R2 std::constexpr_v Zach Laine, Matthias Kretz 2023-05-22 2023-05 P2781R1 Library Evolution
P2786R1 Trivial relocatability options Mungo Gill, Alisdair Meredith 2023-05-19 2023-05 P2786R0 EWGI,Evolution
P2811R2 Contract Violation Handlers Joshua Berne 2023-04-20 2023-05 P2811R1 SG21 Contracts
P2811R3 Contract Violation Handlers Joshua Berne 2023-05-04 2023-05 P2811R2 SG21 Contracts
P2811R4 Contract Violation Handlers Joshua Berne 2023-05-15 2023-05 P2811R3 SG21 Contracts
P2814R0 Trivial Relocatability --- Comparing P1144 with P2786 Mungo Gill, Alisdair Meredith; Arthur O`Dwyer 2023-05-19 2023-05 EWGI,LEWGI
P2821R1 span.at() Jarrad J. Waterloo 2023-04-13 2023-05 P2821R0 SG23 Safety and Security,Library Evolution
P2828R1 Copy elision for direct-initialization with a conversion function (Core issue 2327) Brian Bi 2023-05-12 2023-05 P2828R0 Core
P2829R0 Proposal of Contracts Supporting Const-On-Definition Style Andrew Tomazos 2023-04-13 2023-05 SG21 Contracts
P2831R0 Functions having a narrow contract should not be noexcept Timur Doumler, Ed Catmur 2023-05-16 2023-05 Library Evolution
P2834R0 Semantic Stability Across Contract-Checking Build Modes Joshua Berne, John Lakos 2023-05-15 2023-05 SG21 Contracts
P2835R0 Expose std::atomic_ref's object address Gonzalo Brito Gadeschi 2023-05-18 2023-05 SG1 Concurrency and Parallelism
P2837R0 Planning to Revisit the Lakos Rule Alisdair Meredith, Harry Bott 2023-05-19 2023-05 Library Evolution
P2839R0 Nontrivial relocation via a new "owning reference" type Brian Bi, Joshua Berne 2023-05-15 2023-05 EWGI
P2841R0 Concept Template Parameters Corentin Jabot, Gašper Ažman 2023-05-18 2023-05 Evolution
P2842R0 Destructor Semantics Do Not Affect Constructible Traits Alisdair Meredith, Harry Bott 2023-05-19 2023-05 Library
P2843R0 Preprocessing is never undefined Alisdair Meredith 2023-05-19 2023-05 SG16 Unicode
P2845R0 Formatting of std::filesystem::path Victor Zverovich 2023-05-07 2023-05 SG16 Unicode,Library Evolution
P2846R0 size_hint: Eagerly reserving memory for not-quite-sized lazy ranges Corentin Jabot 2023-05-11 2023-05 SG9 Ranges
P2848R0 std::is_uniqued Arthur O'Dwyer, Enrico Mauro 2023-04-24 2023-05 LEWGI
P2850R0 Minimal Compiler Preserved Dependencies Mark Batty, Simon Cooksey 2023-05-15 2023-05 SG1 Concurrency and Parallelism
P2852R0 Contract violation handling semantics for the contracts MVP Tom Honermann 2023-04-24 2023-05 SG21 Contracts
P2853R0 Proposal of std::contract_violation Andrew Tomazos 2023-05-10 2023-05 SG21 Contracts
P2855R0 Member customization points for Senders and Receivers Ville Voutilainen 2023-05-18 2023-05 Library Evolution
P2857R0 P2596R0 Critique Matt Bentley 2023-04-28 2023-05 WG21
P2858R0 Noexcept vs contract violations Andrzej Krzemieński 2023-05-12 2023-05 SG21 Contracts
P2861R0 The Lakos Rule: Narrow Contracts And `noexcept` Are Inherently Incompatible John Lakos 2023-05-19 2023-05 SG21 Contracts,Evolution,Library Evolution
P2862R0 text_encoding::name() should never return null values Daniel Krügler 2023-05-09 2023-05 Library Evolution,Library
P2863R0 Review Annex D for C++26 Alisdair Meredith 2023-05-19 2023-05 Evolution,Library Evolution
P2864R0 Remove Deprecated Arithmetic Conversion on Enumerations From C++26 Alisdair Meredith 2023-05-19 2023-05 Evolution
P2865R0 Remove Deprecated Array Comparisons from C++26 Alisdair Meredith 2023-05-19 2023-05 Evolution
P2866R0 Remove Deprecated Volatile Features From C++26 Alisdair Meredith 2023-05-19 2023-05 Evolution
P2867R0 Remove Deprecated strstreams From C++26 Alisdair Meredith 2023-05-19 2023-05 Library Evolution
P2868R0 Remove Deprecated `std::allocator` Typedef From C++26 Alisdair Meredith 2023-05-19 2023-05 Library Evolution
P2869R0 Remove Deprecated `shared_ptr` Atomic Access APIs From C++26 Alisdair Meredith 2023-05-19 2023-05 SG1 Concurrency and Parallelism
P2870R0 Remove `basic_string::reserve()` From C++26 Alisdair Meredith 2023-05-19 2023-05 Library Evolution
P2871R0 Remove Deprecated Unicode Conversion Facets From C++26 Alisdair Meredith 2023-05-19 2023-05 SG16 Unicode
P2872R0 Remove `wstring_convert` From C++26 Alisdair Meredith 2023-05-19 2023-05 Library Evolution
P2873R0 Remove Deprecated locale category facets for Unicode from C++26 Alisdair Meredith 2023-05-19 2023-05 SG16 Unicode
P2874R0 Mandating Annex D Alisdair Meredith 2023-05-19 2023-05 Library
P2875R0 Undeprecate `polymorphic_allocator::destroy` For C++26 Alisdair Meredith 2023-05-19 2023-05 Library Evolution
P2876R0 Proposal to extend std::simd with more constructors and accessors Daniel Towner, Matthias Kretz 2023-05-18 2023-05 Library Evolution
P2878R0 Reference checking Jarrad J. Waterloo 2023-05-11 2023-05 SG23 Safety and Security
P2878R1 Reference checking Jarrad J. Waterloo 2023-05-18 2023-05 P2878R0 SG23 Safety and Security
P2880R0 Algorithm-like vs std::simd based RNG API Ilya Burylov, Pavel Dyakov, Ruslan Arutyunyan, Andrey Nikolaev, Alina Elizarova 2023-05-18 2023-05 Library Evolution
P2881R0 Generator-based for loop Jonathan Müller, Barry Revzin 2023-05-18 2023-05 EWGI,Evolution
P2882R0 An Event Model for C++ Executors Detlef Vollmann 2023-05-11 2023-05 SG1 Concurrency and Parallelism
P2883R0 `offsetof` Should Be A Keyword In C++26 Alisdair Meredith 2023-05-19 2023-05 EWGI
P2884R0 `assert` Should Be A Keyword In C++26 Alisdair Meredith 2023-05-19 2023-05 EWGI,SG21 Contracts,SG22 Compatability
P2886R0 Concurrency TS2 Editor's report Michael Wong 2023-05-15 2023-05 WG21
P2887R0 SG14: Low Latency/Games/Embedded/Finance/Simulation virtual meeting minutes to 2023/05/11 Michael Wong 2023-05-15 2023-05 SG14 Low Latency
P2888R0 SG19: Machine Learning Virtual Meeting Minutes to 2023/05/12 Michael Wong 2023-05-15 2023-05 SG19 Machine Learning
P2889R0 Distributed Arrays Lauri Vasama 2023-05-15 2023-05 EWGI,Evolution
P2891R0 SG16: Unicode meeting summaries 2023-01-11 through 2023-05-10 Tom Honermann 2023-05-16 2023-05 SG16 Unicode
P2892R0 std::simd Types Should be Regular David Sankel, Joe Jevnik 2023-05-19 2023-05 Library Evolution
P2893R0 Variadic Friends Jody Hagins 2023-05-19 2023-05 EWGI
P2895R0 noncopyable and nonmoveable utility classes Sebastian Theophil, Jonathan Müller 2023-05-17 2023-05 Library Evolution
P2897R0 aligned_accessor: An mdspan accessor expressing pointer overalignment Mark Hoemmen, Damien Lebrun-Grandie, Nicolas Manual Morales, Christian Trott 2023-05-19 2023-05 LEWGI
P2898R0 Importable Headers are Not Universally Implementable Daniel Ruoso 2023-05-18 2023-05 SG15 Tooling
P2901R0 Extending linear algebra support to batched operations Mark Hoemmen, Kim Liegeois, Christian Trott 2023-05-19 2023-05 SG6 Numerics,LEWGI,SG19 Machine Learning

mailing2023-07

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
2023-07
N4955 WG21 2023-06 Admin telecon minutes Nina Ranns 2023-06-05 2023-07 WG21
N4957 WG21 June 2023 Varna Minutes of Meeting Nina Ranns 2023-06-28 2023-07 WG21
P0260R6 C++ Concurrent Queues Detlef Vollmann, Lawrence Crowl, Chris Mysen, Gor Nishanov 2023-06-16 2023-07 P0260R5 SG1 Concurrency and Parallelism,LEWG Library Evolution
P0260R7 C++ Concurrent Queues Detlef Vollmann, Lawrence Crowl, Chris Mysen, Gor Nishanov 2023-07-13 2023-07 P0260R6 SG1 Concurrency and Parallelism,LEWG Library Evolution
P0543R3 Saturation arithmetic Jens Maurer 2023-07-19 2023-07 P0543R2 LWG Library Adopted 2023-11
P0843R7 inplace_vector Gonzalo Brito Gadeschi, Timur Doumler, Nevin Liber, David Sankel 2023-06-16 2023-07 P0843R6 LEWG Library Evolution
P0843R8 inplace_vector Gonzalo Brito Gadeschi, Timur Doumler, Nevin Liber, David Sankel 2023-06-16 2023-07 P0843R7 LEWG Library Evolution
P0901R11 Size feedback in operator new Thomas Köppe, Andrew Hunter, Chris Kennelly 2023-06-20 2023-07 P0901R10 EWG Evolution,CWG Core
P1030R6 std::filesystem::path_view Niall Douglas 2023-06-16 2023-07 P1030R5 LEWG Library Evolution
P1324R1 RE: Yet another approach for constrained declarations Mihail Naydenov 2023-07-06 2023-07 P1324R0 EWG Evolution
P1383R2 More constexpr for cmath and complex Oliver Rosten 2023-06-15 2023-07 P1383R1 SG6 Numerics,LEWG Library Evolution,LWG Library
P1729R2 Text Parsing Elias Kosunen, Victor Zverovich 2023-07-07 2023-07 P1729R1 SG9 Ranges,SG16 Unicode,LEWG Library Evolution
P1928R5 std::simd - Merge data-parallel types from the Parallelism TS 2 Matthias Kretz 2023-06-19 2023-07 P1928R4 LEWG Library Evolution
P1928R6 std::simd - Merge data-parallel types from the Parallelism TS 2 Matthias Kretz 2023-06-19 2023-07 P1928R5 LEWG Library Evolution
P2169R4 A Nice Placeholder With No Name Corentin Jabot, Michael Park 2023-06-16 2023-07 P2169R3 CWG Core
P2407R4 Freestanding Library: Partial Classes Emil Meissner, Ben Craig 2023-06-28 2023-07 P2407R3 LWG Library
P2487R1 Is attribute-like syntax adequate for contract annotations? Andrzej Krzemieński 2023-06-11 2023-07 P2487R0 SG21 Contracts
P2521R4 Contract support -- Record of SG21 consensus Andrzej Krzemieński 2023-06-15 2023-07 P2521R3 SG21 Contracts
P2542R3 views::concat Hui Xie, S. Levent Yilmaz 2023-06-09 2023-07 P2542R2 SG9 Ranges,LEWG Library Evolution
P2546R5 Debugging Support René Ferdinand Rivera Morell 2023-07-05 2023-07 P2546R4 LWG Library Adopted 2023-11
P2548R6 copyable_function Michael Florian Hava 2023-06-15 2023-07 P2548R5 LWG Library
P2552R3 On the ignorability of standard attributes Timur Doumler 2023-06-14 2023-07 P2552R2 EWG Evolution,CWG Core
P2591R4 Concatenation of strings and string views Giuseppe D'Angelo 2023-07-11 2023-07 P2591R3 LEWG Library Evolution
P2630R4 Submdspan Christian Trott, Mark Hoemmen, Damien Lebrun-Grandie, Nevin Liber 2023-06-22 2023-07 P2630R3 LEWG Library Evolution,LWG Library
P2637R3 Member visit Barry Revzin 2023-06-15 2023-07 P2637R2 LEWG Library Evolution
P2641R4 Checking if a union alternative is active Barry Revzin 2023-06-15 2023-07 P2641R3 LEWG Library Evolution
P2642R3 Padded mdspan layouts Mark Hoemmen, Christian Trott,Damien Lebrun-Grandie,Nicolas Morales,Malte Förster,Jiaming Yuan 2023-07-14 2023-07 P2642R2 LEWG Library Evolution
P2662R2 Pack Indexing Corentin Jabot, Pablo Halpern 2023-07-15 2023-07 P2662R1 EWG Evolution
P2689R2 atomic_accessor Christian Trott, Mark Hoemmen, Damien Lebrun-Grandie, Dan Sunderland, Nevin Liber 2023-07-20 2023-07 P2689R1 SG1 Concurrency and Parallelism,LEWG Library Evolution
P2697R1 Interfacing bitset with string_view Michael Florian Hava 2023-06-15 2023-07 P2697R0 LWG Library
P2714R1 Bind front and back to NTTP callables Zhihao Yuan, Tomasz Kamiński 2023-06-16 2023-07 P2714R0 LWG Library
P2717R2 Tool Introspection René Ferdinand Rivera Morell 2023-06-16 2023-07 P2717R1 SG15 Tooling
P2727R3 std::iterator_interface Zach Laine 2023-06-14 2023-07 P2727R2 LEWG Library Evolution
P2728R4 Unicode in the Library, Part 1: UTF Transcoding Zach Laine 2023-06-19 2023-07 P2728R3 SG16 Unicode,LEWG Library Evolution
P2728R5 Unicode in the Library, Part 1: UTF Transcoding Zach Laine 2023-07-11 2023-07 P2728R4 SG16 Unicode,LEWG Library Evolution
P2741R3 user-generated static_assert messages Corentin Jabot 2023-06-16 2023-07 P2741R2 EWG Evolution
P2752R3 Static storage for braced initializers Arthur O'Dwyer 2023-06-14 2023-07 P2752R2 CWG Core
P2757R3 Type checking format args Barry Revzin 2023-06-15 2023-07 P2757R2 LEWG Library Evolution
P2767R1 flat_map/flat_set omnibus Arthur O'Dwyer 2023-07-14 2023-07 P2767R0 LEWG Library Evolution,LWG Library
P2776R0 2023-05 Library Evolution Poll Outcomes Bryce Adelstein Lelbach, Fabio Fracassi, Ben Craig 2023-06-16 2023-07 LEWG Library Evolution
P2779R1 Make basic_string_view's range construction conditionally explicit Giuseppe D'Angelo 2023-07-11 2023-07 P2779R0 SG9 Ranges,SG16 Unicode,LEWG Library Evolution
P2781R3 std::constexpr_v Zach Laine, Matthias Kretz 2023-06-12 2023-07 P2781R2 LEWG Library Evolution
P2785R0 Relocating prvalues Sébastien Bini, Ed Catmur 2023-06-12 2023-07 EWGI SG17: EWG Incubator,LEWGI SG18: LEWG Incubator,SG23 Safety and Security
P2785R1 Relocating prvalues Sébastien Bini, Ed Catmur 2023-06-12 2023-07 P2785R0 EWGI SG17: EWG Incubator,LEWGI SG18: LEWG Incubator,SG23 Safety and Security
P2785R2 Relocating prvalues Sébastien Bini, Ed Catmur 2023-06-14 2023-07 P2785R1 EWGI SG17: EWG Incubator,LEWGI SG18: LEWG Incubator,SG23 Safety and Security
P2785R3 Relocating prvalues Sébastien Bini, Ed Catmur 2023-06-14 2023-07 P2785R2 EWGI SG17: EWG Incubator
P2786R2 Trivial relocatability options Mungo Gill, Alisdair Meredith 2023-06-16 2023-07 P2786R1 EWG Evolution
P2795R0 Correct and incorrect code, and "erroneous behaviour" Thomas Köppe 2023-06-13 2023-07 SG12 Undefined and Unspecified Behavior,SG23 Safety and Security,EWG Evolution,CWG Core
P2795R1 Erroneous behaviour for uninitialized reads Thomas Köppe 2023-06-15 2023-07 P2795R0 SG12 Undefined and Unspecified Behavior,SG23 Safety and Security,EWG Evolution,CWG Core
P2795R2 Erroneous behaviour for uninitialized reads Thomas Köppe 2023-06-16 2023-07 P2795R1 SG12 Undefined and Unspecified Behavior,SG23 Safety and Security,EWG Evolution,CWG Core
P2809R1 Trivial infinite loops are not Undefined Behavior JF Bastien 2023-06-18 2023-07 P2809R0 SG1 Concurrency and Parallelism,SG22 Compatability,EWG Evolution,LEWG Library Evolution
P2810R1 is_debugger_present is_replaceable René Ferdinand Rivera Morell, Ben Craig 2023-07-06 2023-07 P2810R0 LEWG Library Evolution
P2811R5 Contract-Violation Handlers Joshua Berne 2023-06-28 2023-07 P2811R4 SG21 Contracts
P2811R6 Contract-Violation Handlers Joshua Berne 2023-06-28 2023-07 P2811R5 SG21 Contracts
P2811R7 Contract-Violation Handlers Joshua Berne 2023-07-13 2023-07 P2811R6 SG21 Contracts
P2814R1 Trivial Relocatability --- Comparing P1144 with P2786 Mungo Gill, Alisdair Meredith; Arthur O`Dwyer 2023-06-16 2023-07 P2814R0 EWG Evolution
P2819R1 Add tuple protocol to complex Michael Florian Hava, Christoph Hofer 2023-07-14 2023-07 P2819R0 LEWG Library Evolution,LWG Library
P2821R2 span.at() Jarrad J. Waterloo 2023-05-26 2023-07 P2821R1 SG23 Safety and Security,LEWG Library Evolution
P2821R3 span.at() Jarrad J. Waterloo 2023-06-12 2023-07 P2821R2 SG23 Safety and Security,LEWG Library Evolution
P2828R2 Copy elision for direct-initialization with a conversion function (Core issue 2327) Brian Bi 2023-06-12 2023-07 P2828R1 CWG Core
P2834R1 Semantic Stability Across Contract-Checking Build Modes Joshua Berne, John Lakos 2023-06-08 2023-07 P2834R0 SG21 Contracts
P2835R1 Expose std::atomic_ref's object address Gonzalo Brito Gadeschi 2023-06-26 2023-07 P2835R0 LEWG Library Evolution
P2836R1 std::basic_const_iterator should follow its underlying type's convertibility Christopher Di Bella 2023-07-11 2023-07 P2836R0 SG9 Ranges,LEWG Library Evolution,LWG Library Adopted 2023-11
P2845R1 Formatting of std::filesystem::path Victor Zverovich 2023-06-08 2023-07 P2845R0 SG16 Unicode,LEWG Library Evolution
P2865R1 Remove Deprecated Array Comparisons from C++26 Alisdair Meredith 2023-06-16 2023-07 P2865R0 SG22 Compatability,EWG Evolution
P2872R1 Remove `wstring_convert` From C++26 Alisdair Meredith 2023-06-07 2023-07 P2872R0 LEWG Library Evolution
P2874R1 Mandating Annex D Alisdair Meredith 2023-06-12 2023-07 P2874R0 LWG Library
P2874R2 Mandating Annex D Alisdair Meredith 2023-06-12 2023-07 P2874R1 LWG Library
P2877R0 Contract Build Modes and Semantics Joshua Berne, Tom Honermann 2023-07-13 2023-07 SG21 Contracts
P2878R2 Reference checking Jarrad J. Waterloo 2023-06-10 2023-07 P2878R1 SG23 Safety and Security
P2878R3 Reference checking Jarrad J. Waterloo 2023-06-23 2023-07 P2878R2 SG23 Safety and Security
P2878R4 Reference checking Jarrad J. Waterloo 2023-07-08 2023-07 P2878R3 SG23 Safety and Security
P2885R0 Requirements for a Contracts syntax Timur Doumler, Joshua Berne, Gašper Ažman, Andrzej Krzemieński, Ville Voutilainen 2023-07-16 2023-07 SG21 Contracts,EWG Evolution
P2898R1 Build System Requirements for Importable Headers Daniel Ruoso 2023-06-12 2023-07 P2898R0 SG15 Tooling
P2902R0 constexpr 'Parallel' Algorithms Oliver Rosten 2023-06-17 2023-07 LEWG Library Evolution,LWG Library
P2904R0 Removing exception in precedence rule(s) when using member pointer syntax Annop Rana 2023-06-13 2023-07 EWGI SG17: EWG Incubator
P2905R0 Runtime format strings Victor Zverovich 2023-07-15 2023-07 LEWG Library Evolution
P2905R1 Runtime format strings Victor Zverovich 2023-07-15 2023-07 P2905R0 LWG Library
P2906R0 Structured bindings for std::extents Bernhard Manfred Gruber 2023-05-29 2023-07 LEWG Library Evolution
P2910R0 C++ Standard Library Ready Issues to be moved in Varna, Jun. 2023 Jonathan Wakely 2023-06-09 2023-07 All of WG21
P2911R0 Python Bindings with Value-Based Reflection Adam Lach, Jagrut Dave 2023-07-10 2023-07 SG7 Reflection
P2912R0 Concurrent queues and sender/receivers Gor Nishanov 2023-07-05 2023-07 SG1 Concurrency and Parallelism
P2915R0 Proposed resolution to CWG1223 Corentin Jabot 2023-06-13 2023-07 CWG Core
P2917R0 An in-line defaulted destructor should keep the copy- and move-operations Andreas Fertig 2023-06-14 2023-07 EWGI SG17: EWG Incubator,EWG Evolution
P2917R1 An in-line defaulted destructor should keep the copy- and move-operations Andreas Fertig 2023-07-05 2023-07 P2917R0 EWG Evolution
P2918R0 Runtime format strings II Victor Zverovich 2023-07-15 2023-07 LEWG Library Evolution
P2918R1 Runtime format strings II Victor Zverovich 2023-07-15 2023-07 P2918R0 LWG Library
P2920R0 Library Evolution Leadership's Understanding of the Noexcept Policy History Nevin Liber, Bryce Adelstein Lelbach, Robert Leahy, Ben Craig, Fabio Fracassi, Guy Davidson 2023-06-16 2023-07 All of WG21
P2921R0 Exploring std::expected based API alternatives for buffer_queue Gor Nishanov, Detlef Vollmann 2023-07-05 2023-07 LEWG Library Evolution
P2922R0 Core Language Working Group "ready" Issues for the June, 2023 meeting Jens Maurer 2023-06-16 2023-07 CWG Core
P2925R0 inplace_vector - D0843R7 LEWG presentation David Sankel, Gonzalo Brito Gadeschi, Timur Doumler, Nevin Liber 2023-06-19 2023-07 LEWG Library Evolution
P2926R0 std::simd types should be regular - P2892R0 LEWG presentation David Sankel, Joe Jevnik 2023-06-19 2023-07 LEWG Library Evolution
P2929R0 simd_invoke Daniel Towner, Ruslan Arutyunyan 2023-07-19 2023-07 LEWG Library Evolution
P2930R0 Formatter specializations for the standard library Mark de Wever 2023-07-15 2023-07 LEWG Library Evolution,LWG Library
P2931R0 WG21 June 2023 Varna Meeting Record of Discussion Nina Ranns 2023-06-28 2023-07 All of WG21
P2937R0 Freestanding: Remove strtok Ben Craig 2023-07-02 2023-07 LEWG Library Evolution Adopted 2023-11
P2940R0 switch for Pattern Matching Mihail Naydenov 2023-07-06 2023-07 EWGI SG17: EWG Incubator
P2941R0 Identifiers for Pattern Matching Mihail Naydenov 2023-07-06 2023-07 EWGI SG17: EWG Incubator
P2944R0 Comparisons for reference_wrapper Barry Revzin 2023-07-09 2023-07 LEWG Library Evolution
P2945R0 Additional format specifiers for time_point Barry Revzin 2023-07-14 2023-07 LEWG Library Evolution
P2946R0 A flexible solution to the problems of `noexcept` Pablo Halpern 2023-07-19 2023-07 EWGI SG17: EWG Incubator
P2947R0 Contracts must avoid disclosing sensitive information Andrei Zissu, Ran Regev, Gal Zaban, Inbal Levi 2023-07-20 2023-07 SG21 Contracts,SG23 Safety and Security
P2949R0 Slides for P2861R0: Narrow Contracts and `noexcept` are Inherently Incompatable John Lakos 2023-07-14 2023-07 EWGI SG17: EWG Incubator,SG21 Contracts,EWG Evolution,LEWG Library Evolution
P2950R0 Slides for P2836R1: std::basic_const_iterator should follow its underlying type's convertibility Tomasz Kamiński 2023-07-11 2023-07 LEWG Library Evolution
P2951R0 Shadowing is good for safety Jarrad J. Waterloo 2023-07-15 2023-07 EWGI SG17: EWG Incubator,LEWGI SG18: LEWG Incubator,SG23 Safety and Security
P2951R1 Shadowing is good for safety Jarrad J. Waterloo 2023-07-16 2023-07 P2951R0 SG23 Safety and Security

mailing2023-08

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
2023-08
N4956 Concurrency TS2 PDTS Michael Wong 2023-08-15 2023-08 N4953 WG21
N4958 Working Draft, Programming Languages -- C++ Thomas Köppe 2023-08-14 2023-08 N4950 WG21
N4959 Editors' Report, Programming Languages -- C++ Thomas Köppe 2023-08-14 2023-08 WG21
N4960 Business Plan and Convener's Report: ISO/IEC JTC1/SC22/WG21 (C++) Herb Sutter 2023-08-09 2023-08 WG21
P0124R7 Linux-Kernel Memory Model Paul E. McKenney, Ulrich Weigand, Andrea Parri, Boqun Feng 2023-08-23 2023-08 P0124R6 SG1 Concurrency and Parallelism,SG5 Transactional Memory,SG14 Low Latency
P0124R8 Linux-Kernel Memory Model Paul E. McKenney, Ulrich Weigand, Andrea Parri, Boqun Feng 2023-08-23 2023-08 P0124R7 SG1 Concurrency and Parallelism,SG5 Transactional Memory,SG14 Low Latency
P0963R1 Structured binding declaration as a condition Zhihao Yuan 2023-08-15 2023-08 P0963R0 Evolution
P1068R8 Vector API for random number generation Ilya Burylov, Pavel Dyakov, Ruslan Arutyunyan, Andrey Nikolaev, Alina Elizarova 2023-08-08 2023-08 P1068R7 Library Evolution
P1967R11 #embed - a simple, scannable preprocessor-based resource acquisition method JeanHeyd Meneide 2023-08-22 2023-08 P1967R10 Core
P2407R5 Freestanding Library: Partial Classes Ben Craig, Emil Meissner 2023-07-26 2023-08 P2407R4 Library Adopted 2023-11
P2521R5 Contract support -- Record of SG21 consensus Andrzej Krzemieński 2023-08-15 2023-08 P2521R4 SG21 Contracts
P2728R6 Unicode in the Library, Part 1: UTF Transcoding Zach Laine 2023-08-14 2023-08 P2728R5 SG16 Unicode,Library Evolution
P2746R3 Deprecate and Replace Fenv Rounding Modes Hans Boehm 2023-08-15 2023-08 P2746R2 SG6 Numerics,Library Evolution
P2795R3 Erroneous behaviour for uninitialized reads Thomas Köppe 2023-07-29 2023-08 P2795R2 SG12 Undefined and Unspecified Behavior,SG23 Safety and Security,Evolution,Core
P2821R4 span.at() Jarrad J. Waterloo 2023-07-26 2023-08 P2821R3 SG23 Safety and Security,Library Evolution
P2833R1 Freestanding Library: inout expected span Ben Craig 2023-08-19 2023-08 P2833R0 Library Evolution
P2845R2 Formatting of std::filesystem::path Victor Zverovich 2023-07-23 2023-08 P2845R1 SG16 Unicode,Library Evolution
P2863R1 Review Annex D for C++26 Alisdair Meredith 2023-08-16 2023-08 P2863R0 Evolution,Library Evolution
P2864R1 Remove Deprecated Arithmetic Conversion on Enumerations From C++26 Alisdair Meredith 2023-08-16 2023-08 P2864R0 SG22 Compatability,Evolution
P2865R2 Remove Deprecated Array Comparisons from C++26 Alisdair Meredith 2023-08-16 2023-08 P2865R1 SG22 Compatability,Evolution
P2868R1 Remove Deprecated `std::allocator` Typedef From C++26 Alisdair Meredith 2023-08-15 2023-08 P2868R0 Library Evolution
P2869R1 Remove Deprecated `shared_ptr` Atomic Access APIs From C++26 Alisdair Meredith 2023-08-16 2023-08 P2869R0 Library Evolution
P2870R1 Remove `basic_string::reserve()` From C++26 Alisdair Meredith 2023-08-16 2023-08 P2870R0 Library Evolution
P2871R1 Remove Deprecated Unicode Conversion Facets From C++26 Alisdair Meredith 2023-08-08 2023-08 P2871R0 Library Evolution
P2875R1 Undeprecate `polymorphic_allocator::destroy` For C++26 Alisdair Meredith 2023-08-15 2023-08 P2875R0 Library Evolution
P2878R5 Reference checking Jarrad J. Waterloo 2023-08-10 2023-08 P2878R4 SG23 Safety and Security
P2885R1 Requirements for a Contracts syntax Timur Doumler, Joshua Berne, Gašper Ažman, Andrzej Krzemieński, Ville Voutilainen, Tom Honermann 2023-08-15 2023-08 P2885R0 SG21 Contracts,Evolution
P2890R0 Contracts on lambdas Timur Doumler 2023-08-17 2023-08 SG21 Contracts
P2894R0 Constant evaluation of Contracts Timur Doumler 2023-08-22 2023-08 SG21 Contracts
P2896R0 Outstanding design questions for the Contracts MVP Timur Doumler 2023-08-22 2023-08 SG21 Contracts
P2905R2 Runtime format strings Victor Zverovich 2023-07-23 2023-08 P2905R1 Library Adopted 2023-11
P2909R0 Dude, where's my char? Victor Zverovich 2023-08-13 2023-08 SG16 Unicode,Library Evolution
P2933R0 std::simd overloads for <bit> header Daniel Towner, Ruslan Arutyunyan 2023-08-01 2023-08 SG1 Concurrency and Parallelism,Library Evolution
P2935R0 An Attribute-Like Syntax for Contracts Joshua Berne 2023-08-15 2023-08 SG21 Contracts
P2944R1 Comparisons for reference_wrapper Barry Revzin 2023-08-17 2023-08 P2944R0 Library Evolution
P2951R2 Shadowing is good for safety Jarrad J. Waterloo 2023-08-10 2023-08 P2951R1 SG23 Safety and Security
P2952R0 auto& operator=(X&&) = default Arthur O'Dwyer, Matthew Taylor 2023-08-11 2023-08 EWGI,Evolution
P2953R0 Forbid defaulting operator=(X&&) && Arthur O'Dwyer 2023-08-11 2023-08 EWGI,Evolution
P2954R0 Contracts and virtual functions for the Contracts MVP Ville Voutilainen 2023-08-03 2023-08 SG21 Contracts
P2955R0 Safer Range Access Jarrad J. Waterloo 2023-08-10 2023-08 SG23 Safety and Security
P2956R0 Add saturating library support to std::simd Daniel Towner, Ruslan Arutyunyan 2023-08-01 2023-08 SG1 Concurrency and Parallelism,Library Evolution
P2957R0 Contracts and coroutines Andrzej Krzemieński, Iain Sandoe 2023-08-15 2023-08 SG21 Contracts
P2958R0 typeof and typeof_unqual JeanHeyd Meneide 2023-08-21 2023-08 Evolution
P2960R0 Concurrency TS Editor's report for N4956 Michael Wong 2023-08-17 2023-08 WG21

mailing2023-09

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
2023-09
P0843R9 inplace_vector Gonzalo Brito Gadeschi, Timur Doumler, Nevin Liber, David Sankel 2023-09-14 2023-09 P0843R8 Library Evolution,Library
P1068R9 Vector API for random number generation Ilya Burylov, Pavel Dyakov, Ruslan Arutyunyan, Andrey Nikolaev, Alina Elizarova 2023-09-14 2023-09 P1068R8 Library Evolution
P1255R10 A view of 0 or 1 elements: views::maybe Steve Downey 2023-09-15 2023-09 P1255R9 SG9 Ranges,Library Evolution
P2264R5 Make assert() macro user friendly for C and C++ Peter Sommerlad 2023-09-13 2023-09 P2264R4 Library Evolution,Library
P2542R4 views::concat Hui Xie, S. Levent Yilmaz 2023-09-11 2023-09 P2542R3 SG9 Ranges,Library Evolution
P2542R5 views::concat Hui Xie, S. Levent Yilmaz 2023-09-13 2023-09 P2542R4 SG9 Ranges,Library Evolution,Library
P2686R2 constexpr structured bindings and references to constexpr variables Corentin Jabot, Brian Bi 2023-09-14 2023-09 P2686R1 Evolution,Core
P2748R2 Disallow Binding a Returned Glvalue to a Temporary Brian Bi 2023-09-14 2023-09 P2748R1 Evolution
P2755R0 A Bold Plan for a Complete Contracts Facility Joshua Berne, Jake Fevold, John Lakos 2023-09-13 2023-09 SG21 Contracts
P2760R0 A Plan for C++26 Ranges Barry Revzin 2023-09-17 2023-09 SG9 Ranges,Library Evolution
P2762R1 Sender/Receiver Interface For Networking Dietmar Kuhl 2023-09-15 2023-09 P2762R0 SG4 Networking,Library Evolution
P2833R2 Freestanding Library: inout expected span Ben Craig 2023-09-14 2023-09 P2833R1 Library Adopted 2023-11
P2846R1 size_hint: Eagerly reserving memory for not-quite-sized lazy ranges Corentin Jabot 2023-09-15 2023-09 P2846R0 Library Evolution
P2865R3 Remove Deprecated Array Comparisons from C++26 Alisdair Meredith 2023-09-14 2023-09 P2865R2 SG22 Compatability,Core
P2866R1 Remove Deprecated Volatile Features From C++26 Alisdair Meredith 2023-09-16 2023-09 P2866R0 SG1 Concurrency and Parallelism,SG22 Compatability,Library Evolution
P2867R1 Remove Deprecated strstreams From C++26 Alisdair Meredith 2023-09-16 2023-09 P2867R0 Library Evolution
P2868R2 Remove Deprecated `std::allocator` Typedef From C++26 Alisdair Meredith 2023-09-14 2023-09 P2868R1 Library Evolution
P2869R2 Remove Deprecated `shared_ptr` Atomic Access APIs From C++26 Alisdair Meredith 2023-09-16 2023-09 P2869R1 Library Evolution
P2870R2 Remove `basic_string::reserve()` From C++26 Alisdair Meredith 2023-09-15 2023-09 P2870R1 Library Evolution
P2871R2 Remove Deprecated Unicode Conversion Facets From C++26 Alisdair Meredith 2023-09-15 2023-09 P2871R1 Library Evolution
P2872R2 Remove `wstring_convert` From C++26 Alisdair Meredith 2023-09-14 2023-09 P2872R1 Library Evolution
P2875R2 Undeprecate `polymorphic_allocator::destroy` For C++26 Alisdair Meredith 2023-09-15 2023-09 P2875R1 Library Evolution
P2885R2 Requirements for a Contracts syntax Timur Doumler, Joshua Berne, Gašper Ažman, Andrzej Krzemieński, Ville Voutilainen, Tom Honermann 2023-08-29 2023-09 P2885R1 SG21 Contracts,Evolution
P2909R1 Fix formatting of code units as integers (Dude, where's my char?) Victor Zverovich 2023-09-05 2023-09 P2909R0 Library Evolution
P2909R2 Fix formatting of code units as integers (Dude, where's my char?) Victor Zverovich 2023-09-16 2023-09 P2909R1 Library
P2932R0 A Principled Approach to Open Design Questions for Contracts Joshua Berne 2023-09-13 2023-09 SG21 Contracts
P2935R1 An Attribute-Like Syntax for Contracts Joshua Berne 2023-09-15 2023-09 P2935R0 SG21 Contracts
P2935R2 An Attribute-Like Syntax for Contracts Joshua Berne 2023-09-15 2023-09 P2935R1 SG21 Contracts
P2944R2 Comparisons for reference_wrapper Barry Revzin 2023-09-17 2023-09 P2944R1 Library Evolution
P2951R3 Shadowing is good for safety Jarrad J. Waterloo 2023-09-02 2023-09 P2951R2 SG23 Safety and Security
P2955R1 Safer Range Access Jarrad J. Waterloo 2023-09-02 2023-09 P2955R0 LEWGI,SG23 Safety and Security
P2961R0 A natural syntax for Contracts Jens Maurer, Timur Doumler 2023-09-17 2023-09 SG21 Contracts
P2963R0 Ordering of constraints involving fold expressions Corentin Jabot 2023-09-15 2023-09 Evolution
P2966R0 Making C++ Better for Game Developers -- Progress Report Patrice Roy, various SG14 contibutors including Nicolas Fleury (Ubisoft), Gabriel Morin (EIDOS), Arthur O’Dwyer, Matt Bentley, Staffan Tjernstrom, Matt Bentley and others 2023-09-06 2023-09 SG14 Low Latency,Evolution
P2966R1 Making C++ Better for Game Developers -- Progress Report Patrice Roy, various SG14 contibutors including Nicolas Fleury (Ubisoft), Gabriel Morin (EIDOS), Arthur O’Dwyer, Matt Bentley, Staffan Tjernstrom, Matt Bentley and others 2023-09-13 2023-09 P2966R0 SG14 Low Latency,Evolution
P2968R0 Make std::ignore a first-class object Peter Sommerlad 2023-09-07 2023-09 Library Evolution,Library
P2971R0 Implication for C++ Walter E Brown 2023-09-14 2023-09 Evolution
P2972R0 2023-09 Library Evolution Polls Inbal Levi, Ben Craig, Fabio Fracassi, Corentin Jabot, Nevin Liber, Billy Baker 2023-09-18 2023-09 Library Evolution,Library
P2973R0 Erroneous behaviour for missing return from assignment Thomas Köppe, Jonathan Wakely 2023-09-15 2023-09 SG12 Undefined and Unspecified Behavior,SG23 Safety and Security,Evolution,Core
P2976R0 Freestanding Library: algorithm, numeric, and random Ben Craig 2023-09-17 2023-09 Library Evolution

mailing2023-10 pre-Kona

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
2023-10 pre-Kona
N4961 2024-03 Tokyo meeting information JF Bastien 2023-10-02 2023-10 N4946 WG21
N4962 WG21 agenda: 6-11 November 2023, Kona, HI John Spicer 2023-10-07 2023-10 WG21
N4963 2023 WG21 admin telecon meetings, rev. 2 Herb Sutter 2023-10-01 2023-10 N4954 WG21
N4964 Working Draft, Programming Languages -- C++ Thomas Köppe 2023-10-15 2023-10 N4958 WG21
N4965 Editors' Report, Programming Languages -- C++ Thomas Köppe 2023-10-15 2023-10 WG21
P0447R23 Introduction of std::hive to the standard library Matt Bentley 2023-10-15 2023-10 P0447R22 SG14 Low Latency,Library Evolution,WG21
P0876R14 fiber_context - fibers without scheduler Oliver Kowalke, Nat Goodspeed 2023-10-13 2023-10 P0876R13 Library
P0952R1 A new specification for std::generate_canonical Thomas Koeppe, Davis Herring 2023-09-20 2023-10 P0952R0 Library
P1144R9 std::is_trivially_relocatable Arthur O'Dwyer 2023-10-12 2023-10 P1144R8 Evolution,Library Evolution
P1729R3 Text Parsing Elias Kosunen, Victor Zverovich 2023-10-12 2023-10 P1729R2 SG9 Ranges,SG16 Unicode,Library Evolution
P1928R7 std::simd - Merge data-parallel types from the Parallelism TS 2 Matthias Kretz 2023-10-15 2023-10 P1928R6 Library Evolution,Library
P2019R4 Thread attributes Corentin Jabot 2023-10-15 2023-10 P2019R3 Library Evolution
P2075R3 Philox as an extension of the C++ RNG engines Ilya Burylov, Ruslan Arutyunyan; Andrey Nikolaev; Alina Elizarova; Pavel Dyakov; John Salmon 2023-10-13 2023-10 P2075R2 Library Evolution
P2267R0 Library Evolution Policies Inbal Levi, Ben Craig, Fabio Fracassi 2023-10-15 2023-10 Library Evolution
P2447R5 std::span over an initializer list Arthur O'Dwyer, Federico Kircheis 2023-10-11 2023-10 P2447R4 Library
P2500R2 C++ parallel algorithms and P2300 Ruslan Arutyunyan, Alexey Kukanov 2023-10-15 2023-10 P2500R1 SG1 Concurrency and Parallelism,Library Evolution
P2542R6 views::concat Hui Xie, S. Levent Yilmaz 2023-10-01 2023-10 P2542R5 SG9 Ranges,Library Evolution,Library
P2642R4 Padded mdspan layouts Christian Trott, Mark Hoemmen,Damien Lebrun-Grandie,Nicolas Morales,Malte Förster,Jiaming Yuan 2023-10-15 2023-10 P2642R3 Library Evolution
P2663R4 Proposal to support interleaved complex values in std::simd Daniel Towner, Ruslan Arutyunyan 2023-10-13 2023-10 P2663R3 Library Evolution
P2664R4 Proposal to extend std::simd with permutation API Daniel Towner, Ruslan Arutyunyan 2023-10-13 2023-10 P2664R3 SG1 Concurrency and Parallelism,Library Evolution
P2717R3 Tool Introspection René Ferdinand Rivera Morell 2023-10-14 2023-10 P2717R2 SG15 Tooling
P2762R2 Sender/Receiver Interface For Networking Dietmar Kuhl 2023-10-12 2023-10 P2762R1 SG4 Networking,Library Evolution
P2774R1 Concurrent object pool (was: Scoped thread-local storage) Michael Florian Hava 2023-09-30 2023-10 P2774R0 SG1 Concurrency and Parallelism
P2786R3 Trivial Relocatability For C++26 Mungo Gill, Alisdair Meredith 2023-10-14 2023-10 P2786R2 Evolution,Library Evolution
P2800R0 Dependency flag soup needs some fiber Ben Boeckel 2023-09-20 2023-10 SG15 Tooling
P2809R2 Trivial infinite loops are not Undefined Behavior JF Bastien 2023-10-14 2023-10 P2809R1 SG1 Concurrency and Parallelism,SG22 Compatability,Evolution,Library Evolution
P2841R1 Concept Template Parameters Corentin Jabot, Gašper Ažman 2023-10-14 2023-10 P2841R0 Evolution
P2845R3 Formatting of std::filesystem::path Victor Zverovich 2023-10-01 2023-10 P2845R2 Library Evolution
P2845R4 Formatting of std::filesystem::path Victor Zverovich 2023-10-07 2023-10 P2845R3 Library Evolution
P2862R1 text_encoding::name() should never return null values Daniel Krügler 2023-09-24 2023-10 P2862R0 Library Evolution,Library
P2863R2 Review Annex D for C++26 Alisdair Meredith 2023-10-15 2023-10 P2863R1 Evolution,Library Evolution
P2885R3 Requirements for a Contracts syntax Timur Doumler, Joshua Berne, Gašper Ažman, Andrzej Krzemieński, Ville Voutilainen, Tom Honermann 2023-10-05 2023-10 P2885R2 SG21 Contracts
P2893R1 Variadic Friends Jody Hagins 2023-10-09 2023-10 P2893R0 Evolution
P2897R1 aligned_accessor: An mdspan accessor expressing pointer overalignment Mark Hoemmen, Damien Lebrun-Grandie, Nicolas Manual Morales, Christian Trott 2023-10-13 2023-10 P2897R0 Library Evolution
P2900R0 Contracts for C++ Joshua Berne, Timur Doumler, Andrzej Krzemieński 2023-09-27 2023-10 SG21 Contracts
P2900R1 Contracts for C++ Joshua Berne, Timur Doumler, Andrzej Krzemieński 2023-10-09 2023-10 P2900R0 SG21 Contracts
P2911R1 Python Bindings with Value-Based Reflection Adam Lach, Jagrut Dave 2023-10-13 2023-10 P2911R0 SG7 Reflection
P2927R0 Observing exceptions stored in exception_ptr Gor Nishanov 2023-10-15 2023-10 LEWGI,Evolution,Library Evolution
P2932R1 A Principled Approach to Open Design Questions for Contracts Joshua Berne 2023-10-04 2023-10 P2932R0 SG21 Contracts
P2935R3 An Attribute-Like Syntax for Contracts Joshua Berne 2023-10-05 2023-10 P2935R2 SG21 Contracts
P2959R0 Container Relocation Alisdair Meredith 2023-10-15 2023-10 Library Evolution
P2961R1 A natural syntax for Contracts Timur Doumler, Jens Maurer 2023-10-12 2023-10 P2961R0 SG21 Contracts
P2962R0 Communicating the Baseline Compile Command for C++ Modules support Daniel Ruoso 2023-10-13 2023-10 SG15 Tooling
P2967R0 Relocation Is A Library Interface Alisdair Meredith 2023-10-15 2023-10 Library Evolution
P2971R1 Implication for C++ Walter E Brown 2023-10-14 2023-10 P2971R0 Evolution
P2978R0 A New Approach For Compiling C++ Hassan Sajjad 2023-09-26 2023-10 SG15 Tooling
P2979R0 The Need for Design Policies in WG21 Alisdair Meredith, Harold Bott, John Lakos 2023-10-13 2023-10 Evolution,Library Evolution
P2980R0 A motivation, scope, and plan for a physical quantities and units library Mateusz Pusz, Dominik Berner, Johel Ernesto Guerrero Peña, Charles Hogg, Nicolas Holthaus, Roth Michaels, Vincent Reverdy 2023-10-15 2023-10 SG6 Numerics,LEWGI,SG23 Safety and Security,Library Evolution
P2981R0 Improving our safety with a physical quantities and units library Mateusz Pusz, Dominik Berner, Johel Ernesto Guerrero Peña 2023-10-15 2023-10 SG23 Safety and Security,Library Evolution
P2982R0 `std::quantity` as a numeric type Mateusz Pusz, Chip Hogg 2023-10-15 2023-10 SG6 Numerics,Library Evolution
P2984R0 Reconsider Redeclaring static constexpr Data Members Alisdair Meredith 2023-10-15 2023-10 Evolution
P2985R0 A type trait for detecting virtual base classes Giuseppe D'Angelo 2023-10-09 2023-10 Library Evolution Adopted 2024-06
P2986R0 Generic Function Pointer Lauri Vasama 2023-10-14 2023-10 Evolution
P2988R0 std::optional<T&> Steve Downey 2023-10-15 2023-10 Library Evolution
P2989R0 A Simple Approach to Universal Template Parameters Corentin Jabot, Gašper Ažman 2023-10-14 2023-10 Evolution
P2990R0 C++ Modules Roadmap Daniel Ruoso 2023-10-14 2023-10 SG15 Tooling
P2991R0 Stop Forcing std::move to Pessimize Brian Bi 2023-10-11 2023-10 SG20 Education
P2992R0 Attribute [[discard]] and attributes on expressions Giuseppe D'Angelo 2023-10-10 2023-10 EWGI,SG22 Compatability,Evolution
P2994R0 On the Naming of Packs Barry Revzin 2023-10-14 2023-10 Evolution
P2995R0 SG16: Unicode meeting summaries 2023-05-24 through 2023-09-27 Tom Honermann 2023-10-08 2023-10 SG16 Unicode
P2996R0 Reflection for C++26 Barry Revzin, Wyatt Childers, Peter Dimov, Andrew Sutton, Faisal Vali, Daveed Vandevoorde 2023-10-15 2023-10 Evolution
P2997R0 Removing the common reference requirement from the indirectly invocable concepts Barry Revzin, Tim Song 2023-10-14 2023-10 SG9 Ranges,Library Evolution
P2999R0 Sender Algorithm Customization Eric Niebler 2023-10-14 2023-10 Library Evolution
P3001R0 std::hive and containers like it are not a good fit for the standard library Jonathan Müller, Zach Laine, Bryce Adelstein Lelbach, David Sankel 2023-10-15 2023-10 Library Evolution
P3002R0 Guidelines for allocators in new library classes Pablo Halpern 2023-10-15 2023-10 Library Evolution
P3003R0 The design of a library of number concepts Johel Ernesto Guerrero Peña 2023-10-14 2023-10 SG6 Numerics
P3008R0 Atomic floating-point min/max Gonzalo Brito Gadeschi, David Sankel 2023-10-15 2023-10 SG1 Concurrency and Parallelism,Library Evolution
P3009R0 Injected class name in the base specifier list Joe Jevnik 2023-10-12 2023-10 Evolution
P3010R0 Using Reflection to Replace a Metalanguage for Generating JS Bindings Dan Katz 2023-10-13 2023-10 SG7 Reflection
P3011R0 Supporting document for Hive proposal #1: outreach for evidence of container-style use in industry Matt Bentley 2023-10-15 2023-10 SG14 Low Latency,Library Evolution
P3012R0 Supporting document for Hive proposal #2: use of std::list in open source codebases Matt Bentley 2023-10-14 2023-10 SG14 Low Latency,SG20 Education,Library Evolution
P3014R0 Customizing std::expected's exception Jonathan Müller 2023-10-14 2023-10 Library Evolution
P3015R0 Rebuttal to Additional format specifiers for time_point Howard Hinnant 2023-10-13 2023-10 Library Evolution
P3016R0 Resolve inconsistencies in begin/end for valarray and braced initializer lists Arthur O'Dwyer 2023-10-15 2023-10 EWGI,LEWGI,Evolution,Library Evolution
P3018R0 Low-Level Integer Arithmetic Andreas Weis 2023-10-15 2023-10 SG6 Numerics,LEWGI,Library Evolution
P3019R0 Vocabulary Types for Composite Class Design Jonathan Coe, Antony Peacock, Sean Parent 2023-10-14 2023-10 Library Evolution,Library
P3020R0 2023-09 Library Evolution Poll Outcomes Inbal Levi, Fabio Fracassi, Ben Craig, Billy Baker, Nevin Liber, Corentin Jabot 2023-10-15 2023-10 WG21
P3021R0 Unified function call syntax (UFCS) Herb Sutter 2023-10-14 2023-10 Evolution
P3022R0 A Boring Thread Attributes Interface David Sankel, Darius Neațu 2023-10-14 2023-10 Library Evolution
P3023R0 C++ Should Be C++ David Sankel 2023-10-15 2023-10 Evolution,Library Evolution

mailing2023-12 post-Kona

WG21 Number Title Author Document Date Mailing Date Previous Version Subgroup Disposition
2023-12 post-Kona
N4966 St. Louis Meeting Invitation and Information Bill Seymour 2023-10-19 2023-12 WG21
N4967 WG21 2023-10 Admin telecon minutes Nina Ranns 2023-10-30 2023-12 WG21
N4970 WG21 2023-11 Kona Minutes of Meeting Nina Ranns 2023-11-29 2023-12 WG21
N4971 Working Draft, Programming Languages -- C++ Thomas Köppe 2023-12-18 2023-12 N4964 WG21
N4972 Editors' Report, Programming Languages -- C++ Thomas Köppe 2023-12-18 2023-12 WG21
P0447R24 Introduction of std::hive to the standard library Matt Bentley 2023-10-26 2023-12 P0447R23 SG14 Low Latency,Library Evolution,WG21
P0447R25 Introduction of std::hive to the standard library Matt Bentley 2023-12-03 2023-12 P0447R24 SG14 Low Latency,Library Evolution,WG21
P0447R26 Introduction of std::hive to the standard library Matt Bentley 2023-12-17 2023-12 P0447R25 SG14 Low Latency,Library Evolution,WG21
P0609R2 Attributes for Structured Bindings Aaron Ballman 2023-11-27 2023-12 P0609R1 Core
P0952R2 A new specification for std::generate_canonical Thomas Köppe, Davis Herring 2023-12-18 2023-12 P0952R1 Library Adopted 2023-11
P1028R6 SG14 status_code and standard error object Niall Douglas 2023-12-11 2023-12 P1028R5 Library Evolution
P1061R6 Structured Bindings can introduce a Pack Barry Revzin, Jonathan Wakely 2023-12-10 2023-12 P1061R5 Evolution
P1068R10 Vector API for random number generation Ilya Burylov, Pavel Dyakov, Ruslan Arutyunyan, Andrey Nikolaev, Alina Elizarova 2023-12-09 2023-12 P1068R9 Library
P1673R13 A free function linear algebra interface based on the BLAS Mark Hoemmen, Daisy Hollman,Christian Trott,Daniel Sunderland,Nevin Liber,Alicia KlinvexLi-Ta Lo,Damien Lebrun-Grandie,Graham Lopez,Peter Caday,Sarah Knepper,Piotr Luszczek,Timothy Costa 2023-12-18 2023-12 P1673R12 WG21 Adopted 2023-11
P1708R8 Basic Statistics Richard Dosselmann 2023-12-18 2023-12 P1708R7 SG6 Numerics,SG14 Low Latency,Library Evolution,Library
P1709R4 Graph Library Phillip Ratzloff, Andrew Lumsdaine, Richard Dosselmann, Michael Wong, Matthew Galati, Jens Maurer, Domagoj Saric, Jesun Firoz, Kevin Deweese 2023-12-18 2023-12 P1709R3 SG19 Machine Learning
P1928R8 std::simd - Merge data-parallel types from the Parallelism TS 2 Matthias Kretz 2023-11-09 2023-12 P1928R7 Library Evolution,Library
P1967R12 #embed - a simple, scannable preprocessor-based resource acquisition method JeanHeyd Meneide 2023-12-09 2023-12 P1967R11 Core
P2022R3 Rangified version of lexicographical_compare_three_way Ran Regev, Alex Dathskovsky 2023-12-17 2023-12 P2022R2 SG9 Ranges,Library Evolution
P2264R6 Make assert() macro user friendly for C and C++ Peter Sommerlad 2023-11-11 2023-12 P2264R5 Library
P2264R7 Make assert() macro user friendly for C and C++ Peter Sommerlad 2023-12-18 2023-12 P2264R6 Library Adopted 2023-11
P2267R1 Library Evolution Policies Inbal Levi, Ben Craig, Fabio Fracassi 2023-11-23 2023-12 P2267R0 Library Evolution
P2308R1 Template parameter initialization S. Davis Herring 2023-12-18 2023-12 P2308R0 Core Adopted 2023-11
P2414R2 Pointer lifetime-end zap proposed solutions Paul E. McKenney, Maged Michael, Jens Maurer, Peter Sewell, Martin Uecker, Hans Boehm, Hubert Tong, Niall Douglas, Thomas Rodgers, Will Deacon, Michael Wong, David Goldblatt, Kostya Serebryany, and Anthony Williams. 2023-12-17 2023-12 P2414R1 SG1 Concurrency and Parallelism,Evolution
P2447R6 std::span over an initializer list Arthur O'Dwyer, Federico Kircheis 2023-12-18 2023-12 P2447R5 Library Adopted 2023-11
P2481R2 Forwarding reference to specific type/template Barry Revzin 2023-12-16 2023-12 P2481R1 Evolution
P2542R7 views::concat Hui Xie, S. Levent Yilmaz 2023-12-02 2023-12 P2542R6 SG9 Ranges,Library Evolution,Library
P2573R1 = delete("should have a reason"); Yihe Li 2023-11-11 2023-12 P2573R0 Evolution
P2642R5 Padded mdspan layouts Christian Trott, Mark Hoemmen,Damien Lebrun-Grandie,Nicolas Morales,Malte Förster,Jiaming Yuan 2023-12-05 2023-12 P2642R4 Library Evolution,Library
P2662R3 Pack Indexing Corentin Jabot, Pablo Halpern 2023-12-18 2023-12 P2662R2 Core Adopted 2023-11
P2663R5 Proposal to support interleaved complex values in std::simd Daniel Towner, Ruslan Arutyunyan 2023-12-08 2023-12 P2663R4 Library Evolution
P2664R5 Proposal to extend std::simd with permutation API Daniel Towner, Ruslan Arutyunyan 2023-10-25 2023-12 P2664R4 SG1 Concurrency and Parallelism,Library Evolution
P2717R4 Tool Introspection René Ferdinand Rivera Morell 2023-11-09 2023-12 P2717R3 SG15 Tooling
P2717R5 Tool Introspection René Ferdinand Rivera Morell 2023-11-10 2023-12 P2717R4 SG15 Tooling
P2747R1 constexpr placement new Barry Revzin 2023-12-10 2023-12 P2747R0 Evolution
P2758R1 Emitting messages at compile time Barry Revzin 2023-12-09 2023-12 P2758R0 Evolution,Library Evolution
P2760R1 A Plan for C++26 Ranges Barry Revzin 2023-12-15 2023-12 P2760R0 SG9 Ranges,Library Evolution
P2761R0 Slides: If structured binding (P0963R1 presentation) Zhihao Yuan 2023-11-08 2023-12 EWGI
P2767R2 flat_map/flat_set omnibus Arthur O'Dwyer 2023-12-09 2023-12 P2767R1 Library Evolution,Library
P2795R4 Erroneous behaviour for uninitialized reads Thomas Köppe 2023-11-10 2023-12 P2795R3 SG12 Undefined and Unspecified Behavior,SG23 Safety and Security,Evolution,Core,Library
P2806R2 do expressions Barry Revzin, Bruno Cardoso Lopez, Zach Laine, Michael Park 2023-11-16 2023-12 P2806R1 Evolution
P2810R2 is_debugger_present is_replaceable René Ferdinand Rivera Morell, Ben Craig 2023-12-03 2023-12 P2810R1 Library Evolution
P2810R3 is_debugger_present is_replaceable René Ferdinand Rivera Morell, Ben Craig 2023-12-04 2023-12 P2810R2 Library Evolution
P2819R2 Add tuple protocol to complex Michael Florian Hava, Christoph Hofer 2023-12-18 2023-12 P2819R1 Library Adopted 2023-11
P2821R5 span.at() Jarrad J. Waterloo 2023-12-18 2023-12 P2821R4 SG23 Safety and Security,Library Evolution Adopted 2023-11
P2826R1 Replacement functions Gašper Ažman 2023-11-05 2023-12 P2826R0 Evolution
P2827R1 Floating-point overflow and underflow in from_chars (LWG 3081) Zhihao Yuan 2023-11-20 2023-12 P2827R0 Library Evolution,Library
P2830R1 constexpr type comparison Gašper Ažman, Nathan Nichols 2023-11-05 2023-12 P2830R0 Evolution
P2845R5 Formatting of std::filesystem::path Victor Zverovich 2023-11-24 2023-12 P2845R4 Library
P2863R3 Review Annex D for C++26 Alisdair Meredith 2023-12-18 2023-12 P2863R2 Evolution,Library Evolution
P2864R2 Remove Deprecated Arithmetic Conversion on Enumerations From C++26 Alisdair Meredith 2023-12-18 2023-12 P2864R1 Core Adopted 2023-11
P2865R4 Remove Deprecated Array Comparisons from C++26 Alisdair Meredith 2023-11-12 2023-12 P2865R3 SG22 Compatibility
P2868R3 Remove Deprecated `std::allocator` Typedef From C++26 Alisdair Meredith 2023-12-18 2023-12 P2868R2 Library Adopted 2023-11
P2869R3 Remove Deprecated `shared_ptr` Atomic Access APIs From C++26 Alisdair Meredith 2023-12-03 2023-12 P2869R2 Library Evolution,Library
P2870R3 Remove `basic_string::reserve()` From C++26 Alisdair Meredith 2023-12-18 2023-12 P2870R2 Library Adopted 2023-11
P2871R3 Remove Deprecated Unicode Conversion Facets From C++26 Alisdair Meredith 2023-12-18 2023-12 P2871R2 Library Adopted 2023-11
P2878R6 Reference checking Jarrad J. Waterloo 2023-11-14 2023-12 P2878R5 SG23 Safety and Security
P2890R1 Contracts on lambdas Timur Doumler 2023-12-07 2023-12 P2890R0 SG21 Contracts
P2890R2 Contracts on lambdas Timur Doumler 2023-12-13 2023-12 P2890R1 SG21 Contracts
P2894R1 Constant evaluation of Contracts Timur Doumler 2023-12-07 2023-12 P2894R0 SG21 Contracts
P2900R2 Contracts for C++ Joshua Berne, Timur Doumler, Andrzej Krzemieński 2023-11-11 2023-12 P2900R1 SG21 Contracts
P2900R3 Contracts for C++ Joshua Berne, Timur Doumler, Andrzej Krzemieński 2023-12-17 2023-12 P2900R2 SG21 Contracts
P2909R3 Fix formatting of code units as integers (Dude, where's my char?) Victor Zverovich 2023-11-07 2023-12 P2909R2 Library
P2909R4 Fix formatting of code units as integers (Dude, where's my char?) Victor Zverovich 2023-12-18 2023-12 P2909R3 Library Adopted 2023-11
P2918R2 Runtime format strings II Victor Zverovich 2023-12-18 2023-12 P2918R1 Library Adopted 2023-11
P2932R2 A Principled Approach to Open Design Questions for Contracts Joshua Berne 2023-11-14 2023-12 P2932R1 SG21 Contracts
P2933R1 std::simd overloads for <bit> header Daniel Towner, Ruslan Arutyunyan 2023-12-08 2023-12 P2933R0 SG1 Concurrency and Parallelism,Library Evolution
P2935R4 An Attribute-Like Syntax for Contracts Joshua Berne 2023-11-05 2023-12 P2935R3 SG21 Contracts
P2952R1 auto& operator=(X&&) = default Arthur O'Dwyer, Matthew Taylor 2023-12-09 2023-12 P2952R0 Evolution
P2961R2 A natural syntax for Contracts Timur Doumler, Jens Maurer 2023-11-08 2023-12 P2961R1 SG21 Contracts
P2968R1 Make std::ignore a first-class object Peter Sommerlad 2023-12-12 2023-12 P2968R0 Library Evolution,Library
P2968R2 Make std::ignore a first-class object Peter Sommerlad 2023-12-13 2023-12 P2968R1 Library Adopted 2024-06
P2969R0 Contract annotations are potentially-throwing Timur Doumler, Ville Voutilainen, Tom Honermann 2023-12-05 2023-12 SG21 Contracts
P2977R0 Module commands database format Ben Boeckel 2023-11-14 2023-12 SG15 Tooling
P2980R1 A motivation, scope, and plan for a quantities and units library Mateusz Pusz, Dominik Berner, Johel Ernesto Guerrero Peña, Charles Hogg, Nicolas Holthaus, Roth Michaels, Vincent Reverdy 2023-11-28 2023-12 P2980R0 SG6 Numerics,SG23 Safety and Security,Library Evolution
P2981R1 Improving our safety with a physical quantities and units library Mateusz Pusz, Dominik Berner, Johel Ernesto Guerrero Peña 2023-11-09 2023-12 P2981R0 SG23 Safety and Security,Library Evolution
P2982R1 `std::quantity` as a numeric type Mateusz Pusz, Chip Hogg 2023-11-09 2023-12 P2982R0 SG6 Numerics,Library Evolution
P2984R1 Reconsider Redeclaring static constexpr Data Members Alisdair Meredith 2023-11-12 2023-12 P2984R0 Evolution
P2996R1 Reflection for C++26 Barry Revzin, Wyatt Childers, Peter Dimov, Andrew Sutton, Faisal Vali, Daveed Vandevoorde 2023-12-18 2023-12 P2996R0 Evolution
P2999R1 Sender Algorithm Customization Eric Niebler 2023-11-09 2023-12 P2999R0 Library Evolution
P2999R2 Sender Algorithm Customization Eric Niebler 2023-12-13 2023-12 P2999R1 Library Evolution
P2999R3 Sender Algorithm Customization Eric Niebler 2023-12-13 2023-12 P2999R2 Library Evolution
P3006R0 Launder less Antony Polukhin 2023-10-19 2023-12 SG12 Undefined and Unspecified Behavior,Evolution,Core
P3007R0 Return object semantics in postconditions Timur Doumler, Andrzej Krzemieński, Joshua Berne 2023-12-11 2023-12 SG21 Contracts
P3016R1 Resolve inconsistencies in begin/end for valarray and braced initializer lists Arthur O'Dwyer 2023-12-09 2023-12 P3016R0 LEWGI
P3019R1 Vocabulary Types for Composite Class Design Jonathan Coe, Antony Peacock, Sean Parent 2023-11-09 2023-12 P3019R0 Library Evolution,Library
P3019R2 Vocabulary Types for Composite Class Design Jonathan Coe, Antony Peacock, Sean Parent 2023-11-10 2023-12 P3019R1 Library Evolution,Library
P3019R3 Vocabulary Types for Composite Class Design Jonathan Coe, Antony Peacock, Sean Parent 2023-11-20 2023-12 P3019R2 Library Evolution
P3022R1 A Boring Thread Attributes Interface David Sankel, Darius Neațu 2023-11-28 2023-12 P3022R0 Library Evolution
P3023R1 C++ Should Be C++ David Sankel 2023-11-27 2023-12 P3023R0 Evolution,Library Evolution
P3024R0 Interface Directions for std::simd David Sankel, Jeff Garland, Matthias Kretz, Ruslan Arutyunyan 2023-11-30 2023-12 Library Evolution
P3025R0 SG14: Low Latency/Games/Embedded/Financial trading/Simulation virtual Minutes to 2023/09/12 Michael Wong 2023-10-15 2023-12 SG14 Low Latency
P3026R0 SG19: Machine Learning virtual Meeting Minutes to 2023/07/13 Michael Wong 2023-10-15 2023-12 SG19 Machine Learning
P3027R0 UFCS is a breaking change, of the absolutely worst kind Ville Voutilainen 2023-10-26 2023-12 Evolution
P3028R0 An Overview of Syntax Choices for Contracts Joshua Berne, Gašper Ažman, Rostislav Khlebnikov, Timur Doumler 2023-11-05 2023-12 SG21 Contracts
P3029R0 Better mdspan's CTAD Hewill Kang 2023-10-24 2023-12 LEWGI
P3031R0 Resolve CWG2561: conversion function for lambda with explicit object parameter Arthur O'Dwyer 2023-11-13 2023-12 Core
P3033R0 Should we import function bodies to get the better optimizations? Chuanqi Xu 2023-11-01 2023-12 SG15 Tooling
P3034R0 Module Declarations Shouldn't be Macros Michael Spencer 2023-11-10 2023-12 SG15 Tooling,Evolution
P3037R0 constexpr std::shared_ptr Paul Keir 2023-11-06 2023-12 SG7 Reflection,Library Evolution
P3038R0 Concrete suggestions for initial Profiles Bjarne Stroustrup 2023-12-16 2023-12 SG23 Safety and Security
P3039R0 Automatically Generate `operator->` David Stone 2023-11-07 2023-12 Evolution,Library Evolution
P3040R0 C++ Standard Library Ready Issues to be moved in Kona, Nov. 2023 Jonathan Wakely 2023-12-18 2023-12 WG21 Adopted 2023-11
P3041R0 Transitioning from "#include" World to Modules Gabriel Dos Reis 2023-11-16 2023-12 SG15 Tooling
P3042R0 Vocabulary Types for Composite Class Design Jonathan Coe, Antony Peacock, Sean Parent 2023-11-09 2023-12 Library Evolution
P3043R0 Slides: Using variable template template without meta programming Zhihao Yuan 2023-12-11 2023-12 Evolution
P3046R0 Core Language Working Group "ready" Issues for the November, 2023 meeting Jens Maurer 2023-12-18 2023-12 Core Adopted 2023-11
P3050R0 Optimize linalg::conjugated for noncomplex value types Mark Hoemmen 2023-11-15 2023-12 Library Evolution
P3051R0 Structured Response Files René Ferdinand Rivera Morell 2023-12-12 2023-12 SG15 Tooling
P3052R0 view_interface::at() Hewill Kang 2023-11-16 2023-12 SG9 Ranges,LEWGI,SG23 Safety and Security
P3053R0 2023-12 Library Evolution Polls Inbal Levi, Fabio Fracassi, Ben Craig, Nevin Liber, Billy Baker, Corentin Jabot 2023-12-15 2023-12 WG21
P3055R0 Relax wording to permit relocation optimizations in the STL Arthur O'Dwyer 2023-12-17 2023-12 LEWGI
P3056R0 what ostream exception Jarrad J. Waterloo 2023-11-21 2023-12 Library Evolution
P3057R0 Two finer-grained compilation model for named modules Chuanqi Xu 2023-11-21 2023-12 SG15 Tooling
P3059R0 Making user-defined constructors of view iterators/sentinels private Hewill Kang 2023-11-30 2023-12 SG9 Ranges,Library Evolution
P3060R0 Add std::ranges::upto(n) Weile Wei 2023-11-22 2023-12 Library Evolution
P3061R0 WG21 2023-11 Kona Record of Discussion Nina Ranns 2023-11-29 2023-12 WG21
P3062R0 C++ Should Be C++ - Presentation David Sankel 2023-11-27 2023-12 Evolution,Library Evolution
P3066R0 Allow repeating contract annotations on non-first declarations Timur Doumler 2023-12-04 2023-12 SG21 Contracts
P3070R0 Formatting enums Victor Zverovich 2023-12-14 2023-12 SG16 Unicode
P3071R0 Protection against modifications in contracts Jens Maurer 2023-12-10 2023-12 SG21 Contracts
P3071R1 Protection against modifications in contracts Jens Maurer 2023-12-17 2023-12 P3071R0 SG21 Contracts
P3072R0 Hassle-free thread attributes Zhihao Yuan 2023-12-17 2023-12 Library Evolution
P3074R0 constexpr union lifetime Barry Revzin 2023-12-15 2023-12 Evolution
P3075R0 Adding an Undefined Behavior and IFNDR Annex Shafik Yaghmour 2023-12-16 2023-12 Core