2024-10 Mailing Available

[Horizon]

The 2024-10 mailing of new standards papers is now available.

 

WG21 Number	Title	Author	Document Date	Mailing Date	Previous Version	Subgroup
N4991	2025 Sofia Meeting Invitation and Information	Vassil Vassilev	2024-10-16	2024-10		All of WG21
N4993	Working Draft, Programming Languages -- C++	Thomas Köppe	2024-10-16	2024-10		All of WG21
N4994	Editors' Report, Programming Languages -- C++	Thomas Köppe	2024-10-16	2024-10		All of WG21
P0260R11	C++ Concurrent Queues	Detlef Vollmann	2024-10-12	2024-10	P0260R10	SG1 Concurrency and Parallelism,LEWG Library Evolution
P0707R5	Metaclass functions for generative C++	Herb Sutter	2024-10-15	2024-10	P0707R4	SG7 Reflection,EWG Evolution
P0876R18	fiber_context - fibers without scheduler	Oliver Kowalke	2024-10-16	2024-10	P0876R17	EWG Evolution,CWG Core,LWG Library
P1144R12	std::is_trivially_relocatable	Arthur O'Dwyer	2024-10-14	2024-10	P1144R11	EWGI SG17: EWG Incubator
P1255R14	A view of 0 or 1 elements: views::nullable And a concept to constrain maybes	Steve Downey	2024-10-16	2024-10	P1255R13	LEWG Library Evolution,LWG Library
P1306R3	Expansion statements	Dan Katz	2024-10-14	2024-10	P1306R2	EWG Evolution
P1494R4	Partial program correctness	S. Davis Herring	2024-10-15	2024-10	P1494R3	SG22 Compatibility,EWG Evolution,LEWG Library Evolution,CWG Core
P1708R9	Basic Statistics	Richard Dosselmann	2024-10-14	2024-10	P1708R8	SG6 Numerics,SG14 Low Latency,SG19 Machine Learning,LEWG Library Evolution,LWG Library
P1729R5	Text Parsing	Elias Kosunen	2024-10-15	2024-10	P1729R4	SG16 Unicode,LEWG Library Evolution
P1839R6	Accessing object representations	Brian Bi	2024-10-14	2024-10	P1839R5	CWG Core
P1928R12	std::simd - Merge data-parallel types from the Parallelism TS 2	Matthias Kretz	2024-10-11	2024-10	P1928R11	LWG Library
P2079R5	System execution context	Lucian Radu Teodorescu	2024-10-16	2024-10	P2079R4	SG1 Concurrency and Parallelism,LEWG Library Evolution
P2319R2	Prevent path presentation problems	Victor Zverovich	2024-09-28	2024-10	P2319R1	LEWG Library Evolution
P2392R3	Pattern matching using is and as	Herb Sutter	2024-10-16	2024-10	P2392R2	EWG Evolution
P2434R2	Nondeterministic pointer provenance	S. Davis Herring	2024-10-15	2024-10	P2434R1	SG22 Compatibility,EWG Evolution,CWG Core
P2645R0	path_view: a design that took a wrong turn	Victor Zverovich	2024-10-12	2024-10		LEWG Library Evolution
P2664R8	Proposal to extend std::simd with permutation API	Daniel Towner	2024-10-15	2024-10	P2664R7	SG1 Concurrency and Parallelism,LEWG Library Evolution
P2688R3	Pattern Matching: `match` Expression	Michael Park	2024-10-16	2024-10	P2688R2	EWG Evolution
P2719R1	Type-aware allocation and deallocation functions	Louis Dionne	2024-10-16	2024-10	P2719R0	EWG Evolution
P2728R7	Unicode in the Library, Part 1: UTF Transcoding	Zach Laine	2024-10-07	2024-10	P2728R6	SG9 Ranges,SG16 Unicode,LEWG Library Evolution
P2746R6	Deprecate and Replace Fenv Rounding Modes	Hans Boehm	2024-10-14	2024-10	P2746R5	SG6 Numerics,LEWG Library Evolution
P2769R3	get_element customization point object	Ruslan Arutyunyan	2024-10-16	2024-10	P2769R2	LEWG Library Evolution
P2786R8	Trivial Relocatability For C++26	Mungo Gill	2024-10-16	2024-10	P2786R7	EWG Evolution,LEWG Library Evolution
P2841R5	Concept and variable-template template-parameters	Corentin Jabot	2024-10-16	2024-10	P2841R4	CWG Core
P2846R4	reserve_hint: Eagerly reserving memory for not-quite-sized lazy ranges	Corentin Jabot	2024-10-15	2024-10	P2846R3	LEWG Library Evolution
P2900R10	Contracts for C++	Joshua Berne	2024-10-13	2024-10	P2900R9	EWG Evolution,LEWG Library Evolution
P2900R9	Contracts for C++	Joshua Berne	2024-10-13	2024-10	P2900R8	EWG Evolution,LEWG Library Evolution
P2933R2	std::simd overloads for <bit> header	Daniel Towner	2024-10-16	2024-10	P2933R1	LWG Library
P2957R2	Contracts and coroutines	Andrzej Krzemieński	2024-10-14	2024-10	P2957R1	SG21 Contracts,EWG Evolution
P2977R2	Build database files	Ben Boeckel	2024-10-15	2024-10	P2977R1	SG15 Tooling
P2988R8	std::optional<T&>	Steve Downey	2024-10-15	2024-10	P2988R7	LEWG Library Evolution,LWG Library
P2996R6	Reflection for C++26	Barry Revzin	2024-10-09	2024-10	P2996R5	EWG Evolution
P2996R7	Reflection for C++26	Barry Revzin	2024-10-12	2024-10	P2996R6	EWG Evolution
P2998R0	CTAD for function parameter types	James Touton	2024-10-15	2024-10		EWGI SG17: EWG Incubator,EWG Evolution
P3019R10	Vocabulary Types for Composite Class Design	Jonathan Coe	2024-09-30	2024-10	P3019R9	LEWG Library Evolution,LWG Library
P3045R2	Quantities and units library	Mateusz Pusz	2024-10-09	2024-10	P3045R1	SG6 Numerics,SG16 Unicode,LEWG Library Evolution
P3045R3	Quantities and units library	Mateusz Pusz	2024-10-15	2024-10	P3045R2	SG6 Numerics,SG16 Unicode,LEWG Library Evolution
P3049R1	node-handles for lists	Michael Florian Hava	2024-10-15	2024-10	P3049R0	LEWG Library Evolution
P3070R1	Formatting enums	Victor Zverovich	2024-10-13	2024-10	P3070R0	LEWG Library Evolution
P3081R0	Core safety Profiles: Specification, adoptability, and impact	Herb Sutter	2024-10-15	2024-10		SG15 Tooling,SG23 Safety and Security,EWG Evolution
P3091R3	Better lookups for `map` and `unordered_map`	Pablo Halpern	2024-10-14	2024-10	P3091R2	LEWG Library Evolution
P3094R4	std::basic_fixed_string	Mateusz Pusz	2024-10-09	2024-10	P3094R3	SG16 Unicode,LEWG Library Evolution
P3094R5	std::basic_fixed_string	Mateusz Pusz	2024-10-15	2024-10	P3094R4	LEWG Library Evolution
P3098R0	Contracts for C++: Postcondition captures	Timur Doumler	2024-10-14	2024-10		SG21 Contracts,EWG Evolution
P3100R1	Undefined and erroneous behaviour are contract violations	Timur Doumler	2024-10-16	2024-10	P3100R0	SG21 Contracts,SG23 Safety and Security,EWG Evolution
P3100R1	Undefined and erroneous behaviour are contract violations	Timur Doumler	2024-10-16	2024-10	P3100R0	SG21 Contracts,SG23 Safety and Security,EWG Evolution
P3125R1	constexpr pointer tagging	Hana Dusíková	2024-10-16	2024-10	P3125R0	SG1 Concurrency and Parallelism,LEWG Library Evolution
P3138R3	views::cache_latest	Tim Song	2024-10-15	2024-10	P3138R2	LEWG Library Evolution
P3149R6	async_scope -- Creating scopes for non-sequential concurrency	Ian Petersen	2024-10-15	2024-10	P3149R5	SG1 Concurrency and Parallelism,LEWG Library Evolution
P3152R0	Add missing constructors and assignment for indirect and polymorphic	Jonathan Coe	2024-09-30	2024-10		LEWG Library Evolution
P3160R2	An allocator-aware `inplace_vector`	Pablo Halpern	2024-10-14	2024-10	P3160R1	LEWG Library Evolution
P3179R3	C++ parallel range algorithms	Ruslan Arutyunyan	2024-10-16	2024-10	P3179R2	SG1 Concurrency and Parallelism,SG9 Ranges,LEWG Library Evolution
P3227R0	Contracts for C++: Fixing the contract violation handling API	Gašper Ažman	2024-10-16	2024-10		SG21 Contracts,LEWG Library Evolution
P3237R1	Matrix Representation of Contract Semantics	Andrei Zissu	2024-10-16	2024-10	P3237R0	SG21 Contracts
P3261R0	Revisiting `const`-ification in Contract Assertions	Joshua Berne	2024-10-02	2024-10		SG21 Contracts,EWG Evolution
P3261R1	Revisiting `const`-ification in Contract Assertions	Joshua Berne	2024-10-13	2024-10	P3261R0	SG21 Contracts,EWG Evolution
P3271R1	Function Types with Usage (Contracts for Function Pointers)	Lisa Lippincott	2024-10-14	2024-10	P3271R0	SG21 Contracts
P3287R1	Exploration of namespaces for std::simd	Matthias Kretz	2024-10-15	2024-10	P3287R0	LEWG Library Evolution
P3293R1	Splicing a base class subobject	Barry Revzin	2024-10-13	2024-10	P3293R0	EWG Evolution
P3294R2	Code Injection with Token Sequences	Barry Revzin	2024-10-15	2024-10	P3294R1	SG7 Reflection,EWG Evolution
P3295R2	Freestanding constexpr containers and constexpr exception types	Ben Craig	2024-10-12	2024-10	P3295R1	LEWG Library Evolution
P3296R2	let_async_scope	Anthony Williams	2024-10-14	2024-10	P3296R1	SG1 Concurrency and Parallelism,LEWG Library Evolution
P3298R1	Implicit user-defined conversion functions as operator.()	Bengt Gustafsson	2024-10-15	2024-10	P3298R0	EWG Evolution
P3299R2	Range constructors for std::simd	Daniel Towner	2024-10-16	2024-10	P3299R1	LEWG Library Evolution
P3310R3	Solving partial ordering issues introduced by P0522R0	Matheus Izvekov	2024-10-14	2024-10	P3310R2	EWG Evolution,CWG Core
P3310R4	Solving issues introduced by P0522R0	Matheus Izvekov	2024-10-15	2024-10	P3310R3	EWG Evolution,CWG Core
P3324R0	Attributes for namespace aliases, template parameters, and lambda captures	Tom Honermann	2024-10-14	2024-10		EWG Evolution
P3327R0	Contract assertions on function pointers	Timur Doumler	2024-10-16	2024-10		SG21 Contracts,EWG Evolution
P3334R0	Cross Static Variables	Coral Kashri	2024-10-15	2024-10		SG7 Reflection,EWGI SG17: EWG Incubator
P3335R2	Structured Core Options	René Ferdinand Rivera Morell	2024-10-15	2024-10	P3335R1	SG15 Tooling
P3346R0	thread_local means fiber-specific	Nat Goodspeed	2024-10-16	2024-10		EWG Evolution,LEWG Library Evolution
P3348R1	C++26 should refer to C23 not C17	Jonathan Wakely	2024-10-14	2024-10	P3348R0	SG6 Numerics,LEWG Library Evolution
P3349R0	Converting contiguous iterators to pointers	Jonathan Wakely	2024-10-16	2024-10		LEWG Library Evolution
P3351R1	views::scan	Yihe Li	2024-10-09	2024-10	P3351R0	SG9 Ranges
P3352R0	Taming the Demons (C++ version) - Undefined Behavior and Partial Program Correctness	Andrew Tomazos, Martin Uecker	2024-09-19	2024-10		SG22 Compatibility,EWG Evolution
P3355R1	Fix submdspan for C++26	Mark Hoemmen	2024-10-15	2024-10	P3355R0	LWG Library
P3367R0	constexpr coroutines	Hana Dusíková	2024-10-16	2024-10		EWG Evolution,LEWG Library Evolution
P3370R1	Add new library headers from C23	Jens Maurer	2024-10-06	2024-10	P3370R0	LEWG Library Evolution
P3371R2	Fix C++26 by making the rank-1, rank-2, rank-k, and rank-2k updates consistent with the BLAS	Mark Hoemmen	2024-10-14	2024-10	P3371R1	LEWG Library Evolution
P3372R2	constexpr containers and adapters	Hana Dusíková	2024-10-08	2024-10	P3372R1	LEWG Library Evolution
P3375R1	Reproducible floating-point results	Guy Davidson	2024-10-08	2024-10	P3375R0	SG6 Numerics,SG14 Low Latency,LEWG Library Evolution
P3376R0	Contract assertions versus static analysis and 'safety'	Andrzej Krzemieński	2024-10-14	2024-10		SG21 Contracts,EWG Evolution
P3378R0	constexpr exception types	Hana Dusíková	2024-10-14	2024-10		LEWG Library Evolution
P3385R1	Attributes reflection	Aurelien Cassagnes	2024-10-14	2024-10	P3385R0	SG7 Reflection
P3386R0	Static Analysis of Contracts with P2900	Joshua Berne	2024-10-15	2024-10		EWG Evolution
P3387R0	Contract assertions on coroutines	Timur Doumler	2024-10-09	2024-10		SG21 Contracts,EWG Evolution
P3394R0	Annotations for Reflection	Daveed Vandevoorde	2024-10-14	2024-10		SG7 Reflection,EWG Evolution
P3399R0	Adjusting Electronic Polls to a Hybrid Workflow	Inbal Levi	2024-10-16	2024-10		LEWG Library Evolution,All of WG21
P3402R1	A Safety Profile Verifying Class Initialization	Marc-André Laverdière	2024-10-14	2024-10	P3402R0	SG23 Safety and Security
P3403R0	The Undefined Behavior Question	Andrew Tomazos	2024-09-19	2024-10		EWG Evolution
P3404R0	std::at : Range-checked accesses to arbitrary containers	Andre Kostur	2024-10-11	2024-10		SG9 Ranges,SG23 Safety and Security
P3405R0	Out-of-order designated initializers	Elias Kosunen	2024-09-28	2024-10		EWG Evolution
P3406R0	We need better performance testing	Bjarne Stroustrup	2024-09-24	2024-10		All of WG21
P3407R0	Make idiomatic usage of `offsetof` well-defined	Brian Bi	2024-10-14	2024-10		EWG Evolution
P3409R0	Enabling more efficient stop-token based cancellation of senders	Lewis Baker	2024-10-16	2024-10		SG1 Concurrency and Parallelism
P3411R0	`any_view`	Hui Xie	2024-09-29	2024-10		SG9 Ranges,LEWG Library Evolution
P3412R0	String interpolation	Bengt Gustafsson	2024-10-15	2024-10		EWGI SG17: EWG Incubator,EWG Evolution
P3413R0	A more flexible optional::value_or (else!)	Corentin Jabot	2024-10-15	2024-10		LEWG Library Evolution
P3415R0	Range interface in std::optional breaks code!	Andrzej Krzemieński	2024-10-10	2024-10		LEWG Library Evolution
P3416R0	exception_ptr_cast: Add && = delete overload	Gor Nishanov	2024-10-14	2024-10		LEWG Library Evolution
P3417R0	Improving the handling of exceptions thrown from contract predicates	Gašper Ažman	2024-10-16	2024-10		SG21 Contracts,EWG Evolution
P3419R0	Reflection Syntax Options Summary	Michael Levine	2024-10-11	2024-10		SG7 Reflection,EWGI SG17: EWG Incubator,EWG Evolution
P3420R0	Reflection of Templates	Andrei Alexandrescu	2024-10-16	2024-10		SG7 Reflection
P3421R0	Consteval destructors	Ben Craig	2024-10-12	2024-10		SG7 Reflection,EWG Evolution
P3422R0	Allow main function in named modules		2024-10-09	2024-10		EWG Evolution
P3423R0	Extending User-Generated Diagnostic Messages	Yihe Li	2024-10-15	2024-10		EWG Evolution
P3425R0	Reducing operation-state sizes for subobject child operations	Lewis Baker	2024-10-16	2024-10		LEWG Library Evolution
P3427R0	Hazard Pointer Synchronous Reclamation	Maged Michael	2024-10-11	2024-10		SG1 Concurrency and Parallelism
P3428R0	Hazard Pointer Batches	Maged Michael	2024-10-11	2024-10		SG1 Concurrency and Parallelism
P3429R0	Reflection header should minimize standard library dependencies	Jonathan Müller	2024-10-16	2024-10		LEWG Library Evolution
P3430R0	simd issues: explicit, unsequenced, identity-element position, and members of disabled simd	Matthias Kretz	2024-10-15	2024-10		LEWG Library Evolution
P3433R0	Allocator Support for Operation States	Dietmar Kuehl	2024-10-14	2024-10		LEWG Library Evolution
P3435R0	Reflection and meta-programming	Jean-Baptiste VALLON HOARAU	2024-10-14	2024-10		SG7 Reflection
P3436R0	Strategy for removing safety-related undefined behavior by default	Herb Sutter	2024-10-16	2024-10		SG23 Safety and Security,EWG Evolution
P3437R0	Proposed default principles: Reflect C++, Generate C++	Herb Sutter	2024-10-16	2024-10		SG7 Reflection,EWG Evolution
P3438R0	Make integral overloads of std::to_string constexpr	Andreas Fertig	2024-10-13	2024-10		LEWG Library Evolution
P3439R0	Chained comparisons: Safe, correct, efficient	Herb Sutter	2024-10-15	2024-10		EWG Evolution
P3440R0	Add n_elements named constructor to std::simd	Daniel Towner	2024-10-15	2024-10		LEWG Library Evolution
P3441R0	Rename simd_split to simd_chunk	Daniel Towner	2024-10-15	2024-10		LEWG Library Evolution
P3442R0	[[invalidate_dereferencing]] attribute	Patrice Roy	2024-10-14	2024-10		SG14 Low Latency,LEWG Library Evolution
P3443R0	Reflection on SG21 2024 Process	Ran Regev	2024-10-14	2024-10		SG21 Contracts,EWG Evolution
P3444R0	Memory safety without lifetime parameters	Sean Baxter	2024-10-14	2024-10		SG23 Safety and Security
P3445R0	Add utilities for easier type/bit casting in std::simd	Daniel Towner	2024-10-16	2024-10		LEWG Library Evolution
P3446R0	Profile invalidation - eliminating dangling pointers	Bjarne Stroustrup	2024-10-14	2024-10		SG23 Safety and Security
P3447R0	Profiles syntax	Bjarne Stroustrup	2024-10-14	2024-10		SG23 Safety and Security
P3449R0	constexpr std::generator	Hana Dusíková	2024-10-14	2024-10		LEWG Library Evolution
P3450R0	Extending is_within_lifetime	Barry Revzin	2024-10-14	2024-10		LEWG Library Evolution
P3451R0	A Suggestion for Reflection Access Control	Barry Revzin	2024-10-14	2024-10		EWG Evolution
P3454R0	Revising Atomic Max/Min Operations	Michael Wong	2024-10-15	2024-10		SG1 Concurrency and Parallelism
P3455R0	SG14: Low Latency/Games/Embedded/Financial Trading virtual Meeting Minutes 2024/6/12-2024/10/9	Michael Wong	2024-10-14	2024-10		SG14 Low Latency
P3456R0	system_scheduler on Win32, Darwin and Linux	Gor Nishanov	2024-10-15	2024-10		SG1 Concurrency and Parallelism,LEWG Library Evolution,LWG Library
P3457R0	SG19: Machine Learning virtual Meeting Minutes to 2024/06/13-2024/10/10	Michael Wong	2024-10-14	2024-10		SG19 Machine Learning
P3460R0	Contracts Implementors Report	Eric Fiselier, Nina Dinka Ranns, Iain Sandoe	2024-10-16	2024-10		SG21 Contracts,EWG Evolution,CWG Core
P3465R0	Pursue P1179 as a Lifetime TS	Herb Sutter	2024-10-15	2024-10		SG23 Safety and Security,EWG Evolution
P3466R0	(Re)affirm design principles for future C++ evolution	Herb Sutter	2024-10-16	2024-10		EWG Evolution
P3467R0	2024-10 Library Evolution Polls	Inbal Levi	2024-10-16	2024-10		LEWG Library Evolution
P3469R0	Virtual deducing this	Mike Spertus	2024-10-16	2024-10		EWG Evolution
P3470R0	Interface-Unit-Only Module Library Support	Daniel Ruoso	2024-10-15	2024-10		SG15 Tooling,EWG Evolution
P3471R0	Standard library hardening	Konstantin Varlamov	2024-10-15	2024-10		SG23 Safety and Security,LEWG Library Evolution
P3472R0	Make fiber_context::can_resume() const	Andrzej Krzemieński	2024-10-15	2024-10		LEWG Library Evolution
P3473R0	Splicing Should Respect Access Control	Steve Downey	2024-10-16	2024-10		EWG Evolution
P3474R0	std::arguments	Jeremy Rifkin	2024-10-15	2024-10		EWGI SG17: EWG Incubator,LEWGI SG18: LEWG Incubator
P3475R0	Defang and deprecate memory_order::consume	Hans Boehm	2024-10-15	2024-10		SG1 Concurrency and Parallelism,EWG Evolution,LEWG Library Evolution,CWG Core,LWG Library
P3476R0	Slides for P2688R2 - Pattern Matching: `match` Expression	Michael Park	2024-10-16	2024-10		EWG Evolution
P3477R0	There are exactly 8 bits in a byte	JF Bastien	2024-10-16	2024-10		SG22 Compatibility,EWG Evolution,LEWG Library Evolution
P3478R0	Constification should not be part of the MVP	John Spicer	2024-10-16	2024-10		SG21 Contracts,EWG Evolution
P3479R0	Enabling C pragma support in C++	Joshua Cranmer	2024-10-16	2024-10		SG6 Numerics,EWGI SG17: EWG Incubator,SG22 Compatibility
P3480R0	std::simd is a range	Matthias Kretz	2024-10-16	2024-10		SG9 Ranges,LEWG Library Evolution
P3481R0	Summarizing std::execution::bulk() issues	Lucian Radu Teodorescu	2024-10-16	2024-10		SG1 Concurrency and Parallelism,LEWG Library Evolution

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