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2020-03 post-Prague mailing available

By Blog Staff | Mar 23, 2020 05:32 PM | Tags: None

The 2020-03 mailing of new standards papers is now available.

 

2020-03 post-Prague
N4851 Pre-Prague Telco Minutes of Meeting Nina Ranns 2020-02-04 2020-03   WG21  
N4852 Prague LEWG Summary Titus Winters 2020-02-20 2020-03   WG21  
N4853 Working Draft, C++ Extensions for Library Fundamentals, Version 3 Thomas Köppe 2020-02-29 2020-03 N4840 WG21  
N4854 Editor's Report: C++ Extensions for Library Fundamentals, Version 3 Thomas Köppe 2020-02-29 2020-03   WG21  
N4855 WG21 2020-02 Prague Minutes of Meeting Nina Ranns 2020-03-07 2020-03   WG21  
N4856 C++ Extensions for Reflection David Sankel 2020-03-02 2020-03 N4818 WG21  
N4857 Reflection TS - Responses David Sankel 2020-03-02 2020-03   WG21  
P0009R10 mdspan Christian Trott, Bryce Adelstein Lelbach, Daniel Sunderland, David Hollman, H. Carter Edwards, Mauro Bianco, Ben Sander, Athanasios Iliopoulos, John Michopoulos, Mark Hoemmen 2020-02-28 2020-03 P0009R9 Library  
P0124R7 Linux-Kernel Memory Model Paul E. McKenney, Ulrich Weigand, Andrea Parri, Boqun Feng, and Alan Stern 2020-03-01 2020-03 P0124R6 SG1, SG5, SG14  
P0401R3 Providing size feedback in the Allocator interface Chris Kennelly, Jonathan Wakely 2020-03-01 2020-03 P0401R2 Library  
P0443R10 A Unified Executors Proposal for C++ Jared Hoberock, Michael Garland, Chris Kohlhoff, Chris Mysen, Carter Edwards, Gordon Brown, David Hollman, Lee Howes, Kirk Shoop, Lewis Baker, Eric Niebler 2020-02-28 2020-03 P0443R9 SG1, Library Evolution  
P0549R7 Adjuncts to std::hash Walter E Brown 2020-02-17 2020-03 P0549R6 Library  
P0586R2 Safe integral comparisons Federico Kircheis 2020-02-12 2020-03 P0586R1 Library Evolution Adopted 2020-02
P0593R6 Implicit creation of objects for low-level object manipulation Richard Smith, Ville Voutilainen 2020-02-14 2020-03 P0593R5 Evolution, Core, Library Adopted 2020-02
P0849R3 auto(x): decay-copy in the language Zhihao Yuan 2020-03-01 2020-03 P0849R2 Evolution, Library  
P0901R6 Size feedback in operator new Chris Kennelly, Andrew Hunter 2020-03-01 2020-03 P0901R5 Core  
P0943R5 Support C atomics in C++ Hans Boehm 2020-03-02 2020-03 P0943R4 Library  
P1000R4 C++ IS schedule Herb Sutter 2020-02-14 2020-03 P1000R3 WG21 Adopted 2020-02
P1040R6 std::embed and #depend JeanHeyd Meneide 2020-02-29 2020-03 P1040R5 Evolution  
P1144R5 Object relocation in terms of move plus destroy Arthur O'Dwyer 2020-03-02 2020-03 P1144R4 Evolution, Library Evolution  
P1243R4 Rangify New Algorithms Dan Raviv 2020-02-12 2020-03 P1243R3 Library Adopted 2020-02
P1264R1 Revising the wording of stream input operations Louis Dionne 2020-02-14 2020-03 P1264R0 Library  
P1385R6 A proposal to add linear algebra support to the C++ standard library Guy Davidson, Bob Steagall 2020-03-01 2020-03 P1385R5 Library Evolution  
P1425R1 Iterators pair constructors for stack and queue Corentin Jabot 2020-02-25 2020-03 P1425R0 Library Evolution, Library  
P1460R1 Mandating the Standard Library: Clause 20 - Utilities library Marshall Clow, Alberto Barbati 2020-02-14 2020-03 P1460R0 Library Adopted 2020-02
P1605R0 Member Layout Control Rene Rivera 2020-02-22 2020-03   SG14  
P1629R1 Transcoding the world - Standard Text Encoding JeanHeyd Meneide 2020-03-02 2020-03 P1629R0 SG16  
P1656R1 "Throws: Nothing" should be noexcept Agustín Bergé 2020-02-13 2020-03 P1656R0 Library Evolution  
P1656R2 "Throws: Nothing" should be noexcept Agustín Bergé 2020-02-14 2020-03 P1656R1 Library Evolution  
P1683R0 References for Standard Library Vocabulary Types - an optional case study JeanHeyd Meneide 2020-02-29 2020-03   WG21  
P1726R3 Pointer lifetime-end zap Paul E. McKenney, Maged Michael, Jens Mauer, Peter Sewell, Martin Uecker, Hans Boehm, Hubert Tong, Niall Douglas, Will Deacon, Michael Wong, and David Goldblatt 2020-02-21 2020-03 P1726R2 SG1, SG12, Evolution  
P1732R3 Do not promise support for function syntax of operators CJ Johnson 2020-02-11 2020-03 P1732R2 Library Evolution  
P1732R4 Do not promise support for function syntax of operators CJ Johnson 2020-02-21 2020-03 P1732R3 Library Evolution  
P1739R4 Avoid template bloat for safe_ranges in combination with 'subrange-y' view adaptors. Hannes Hauswedell 2020-03-01 2020-03 P1739R3 Library Adopted 2020-02
P1787R4 Declarations and where to find them S. Davis Herring 2020-03-02 2020-03 P1787R3 Core  
P1815R2 Translation-unit-local entities S. Davis Herring 2020-02-14 2020-03 P1815R1 Core Adopted 2020-02
P1831R1 deprecating volatile: library JF Bastien 2020-02-12 2020-03 P1831R0 Library Adopted 2020-02
P1847R3 Make declaration order layout mandated Pal Balog 2020-03-01 2020-03 P1847R2 Core  
P1857R3 Modules Dependency Discovery Michael Spencer 2020-02-11 2020-03 P1857R2 SG2, SG15, Core Adopted 2020-02
P1858R2 Generalized pack declaration and usage Barry Revzin 2020-03-01 2020-03 P1858R1 Evolution  
P1868R2 Unicorn width: clarifying units of width and precision in std::format Victor Zverovich, Zach Laine 2020-02-15 2020-03 P1868R1 Library Adopted 2020-02
P1885R2 Naming Text Encodings to Demystify Them Corentin Jabot 2020-03-02 2020-03 P1885R1 SG16, Library Evolution  
P1901R1 Enabling the Use of weak_ptr as Keys in Unordered Associative Containers Daryl Haresign 2020-02-15 2020-03 P1901R0 Library  
P1908R2 Reserving Attribute Names for Future Use Corentin Jabot 2020-02-19 2020-03 P1908R1 Evolution Adopted 2020-02
P1919R3 Expanding the Rights in SD-8 Nevin Liber 2020-02-15 2020-03 P1919R2 Library Evolution  
P1937R2 Fixing inconsistencies between `constexpr` and `consteval` functions David Stone 2020-02-14 2020-03 P1937R1 Core Adopted 2020-02
P1938R1 if consteval Barry Revzin, Daveed Vandevoorde, Richard Smith, Andrew Sutton 2020-03-02 2020-03 P1938R0 Evolution  
P1949R2 C++ Identifier Syntax using Unicode Standard Annex 31 Steve Downey, Zach Laine, Tom Honermann, Peter Bindels 2020-02-29 2020-03 P1949R1 SG16, Evolution, Core  
P1955R1 Top Level Is Constant Evaluated Frank Birbacher 2020-03-02 2020-03 P1955R0 Evolution  
P1956R1 On the naming of low-level bit manipulation functions Vincent Reverdy 2020-02-27 2020-03 P1956R0 Library 2020-02
P1957R2 Converting from T* to bool should be considered narrowing (re: US 212) Zhihao Yuan 2020-02-16 2020-03 P1957R1 Core, Library Adopted 2020-02
P1964R2 Wording for boolean-testable Tim Song 2020-02-15 2020-03 P1964R1 Library Adopted 2020-02
P1967R2 #embed - a simple, scannable preprocessor-based resource acquisition method JeanHeyd Meneide 2020-03-02 2020-03 P1967R1 Evolution  
P1970R2 Consistency for size() functions: add ranges::ssize() Hannes Hauswedell, Jorg Brown, Casey Carter 2020-03-01 2020-03 P1970R1 Library Adopted 2020-02
P1973R0 Rename _default_init functions (NB Comment DE002) Nicolai Josuttis 2020-02-12 2020-03   Library Evolution, Library  
P1973R1 Rename _default_init functions (NB Comment DE002) Nicolai Josuttis 2020-02-12 2020-03 P1973R0 Library Evolution, Library Adopted 2020-02
P1976R2 Fixed-size 'span' construction from dynamic-size range Tomasz Kamiński 2020-02-11 2020-03 P1976R1 Library Adopted 2020-02
P1988R1 Allow Templates in Local Classes Steve Downey 2020-02-29 2020-03 P1988R0 EWGI  
P1994R1 elements_view needs its own sentinel Tim Song, Christopher Di Bella 2020-02-15 2020-03 P1994R0 Library Adopted 2020-02
P1995R1 Contracts - Use Cases Joshua Berne, Andrzej Krzemienski, Ryan McDougall, Timur Doumler, Herb Sutter 2020-03-03 2020-03 P1995R0 SG21  
P2000R1 Direction for ISO C++ Michael Wong, Howard Hinnant, Roger Orr, Bjarne Stroustrup, Daveed Vandevoorde 2020-03-01 2020-03 P2000R0 WG21  
P2002R1 Defaulted comparison specification cleanups Richard Smith 2020-02-14 2020-03 P2002R0 Core Adopted 2020-02
P2006R1 Eliminating heap-allocations in sender/receiver with connect()/start() as basis operations Lewis Baker, Eric Niebler, Kirk Shoop, Lee Howes 2020-03-02 2020-03 P2006R0 SG1  
P2017R1 Conditionally borrowed ranges Barry Revzin 2020-02-19 2020-03 P2017R0 Library  
P2019R0 Usability improvements for std::thread Corentin Jabot 2020-03-02 2020-03   SG1, LEWGI  
P2029R1 Proposed resolution for core issues 411, 1656, and 2333; escapes in character and string literals Tom Honermann 2020-02-28 2020-03 P2029R0 Core  
P2032R0 Contracts - What Came Before Joshua Berne 2020-03-03 2020-03   SG21  
P2044R1 Member Templates for Local Classes Robert Leahy 2020-03-01 2020-03 P2044R0 Evolution  
P2045R1 Missing Mandates for the standard library Marshall Clow 2020-02-14 2020-03 P2045R0 Library Adopted 2020-02
P2053R0 Defensive Checks Versus Input Validation Rostislav Khlebnikov, John Lakos 2020-03-03 2020-03   SG21, Evolution, Library Evolution  
P2054R1 Audio I/O Software Use Cases Sophia Poirier, Frank Birbacher, Timur Doumler 2020-03-02 2020-03 P2054R0 SG13  
P2066R1 Suggested draft TS for C++ Extensions for Transaction Memory Light Jens Maurer, Hans Boehm, Victor Luchangco, Michael L. Scott, Michael Spear, and Michael Wong 2020-02-15 2020-03 P2066R0 SG1, Evolution  
P2081R1 Rebase the Library Fundamentals v3 TS on C++20 Thomas Köppe 2020-02-17 2020-03 P2081R0 Library Evolution, Library Adopted 2020-02
P2082R1 Fixing CTAD for aggregates Timur Doumler 2020-02-14 2020-03 P2082R0 Core Adopted 2020-02
P2085R0 Consistent defaulted comparisons S. Davis Herring 2020-03-09 2020-03   Evolution, Core Adopted 2020-02
P2089R0 Function parameter constraints are too fragile Barry Revzin 2020-02-17 2020-03   SG7  
P2091R0 Issues with Range Access CPOs Casey Carter 2020-02-17 2020-03   Library Adopted 2020-02
P2092R0 Disambiguating Nested-Requirements Daveed Vandevoorde, Hubert Tong 2020-01-24 2020-03   Evolution, Core Adopted 2020-02
P2095R0 Resolve lambda init-capture pack grammar (CWG2378) Barry Revzin 2020-02-17 2020-03   Core Adopted 2020-02
P2096R0 Generalized wording for partial specializations James Touton 2020-02-16 2020-03   Core  
P2098R0 Proposing std::is_specialization_of Walter E Brown, Bob Steagall 2020-02-17 2020-03   Library Evolution, Library  
P2100R0 Keep unhandled_exception of a promise type mandatory - a response to US062 and FR066 Michał Dominiak 2020-03-02 2020-03   Evolution  
P2101R0 "Models" subsumes "satisfies" (Wording for US298 and US300) Tim Song, Casey Carter 2020-02-15 2020-03   Library Adopted 2020-02
P2102R0 Make "implicit expression variations" more explicit (Wording for US185) Tim Song, Casey Carter 2020-02-15 2020-03   Library Adopted 2020-02
P2103R0 Core Language Changes for NB Comments at the February, 2020 (Prague) Meeting William M. (Mike) Miller 2020-02-14 2020-03   WG21 Adopted 2020-02
P2104R0 Resolution for GB046 - Disallow changing concept values Andrew Sutton, Roger Orr, Gabriel Dos Reis 2020-02-11 2020-03   Evolution, Core Adopted 2020-02
P2106R0 Alternative wording for GB315 and GB316 Tim Song 2020-02-15 2020-03   Library Adopted 2020-02
P2107R0 Core issue 2436: US064 Copy semantics of coroutine parameters Jens Maurer 2020-02-12 2020-03   Core Adopted 2020-02
P2108R0 Core Language Working Group "ready" issues for the February, 2020 (Prague) meeting William M. (Mike) Miller 2020-02-14 2020-03   WG21 Adopted 2020-02
P2109R0 US084: Disallow "export import foo" outside of module interface Nathan Sidwell 2020-02-25 2020-03   Core Adopted 2020-02
P2113R0 Proposed resolution for 2019 comment CA 112 Hubert S.K. Tong 2020-02-15 2020-03   Core Adopted 2020-02
P2114R0 Minimial Contract Use Cases Joshua Berne, Ryan McDougall, Andrzej Krzemieński 2020-03-03 2020-03   SG21  
P2115R0 US069: Merging of multiple definitions for unnamed unscoped enumerations Nathan Sidwell 2020-02-25 2020-03   Core Adopted 2020-02
P2116R0 Remove tuple-like protocol support from fixed-extent span Tim Song 2020-02-15 2020-03   Library Adopted 2020-02
P2117R0 C++ Standard Library Issues Resolved Directly In Prague Marshall Clow 2020-02-15 2020-03   WG21 Adopted 2020-02
P2119R0 Feedback on Simple Statistics functions Jolanta Opara 2020-02-26 2020-03   SG19  
P2120R0 Simplified structured bindings protocol with pack aliases Barry Revzin 2020-02-17 2020-03   Evolution  
P2123R0 interfaces: A Facility to Manage ABI/API Evolution Hal Finkel, Tom Scogland 2020-03-04 2020-03   EWGI, LEWGI  
P2125R0 The Ecosystem Expense of Vocabulary Types Titus Winters 2020-02-21 2020-03   Library Evolution  
P2126R0 Unleashing the Power of Allocator-Aware (AA) Infrastructure Pablo Halpern, John Lakos 2020-03-02 2020-03   Library Evolution  
P2128R0 Multidimensional subscript operator Corentin Jabot, Isabella Muerte, David Hollman, Christian Trott, Mark Hoemmen 2020-03-02 2020-03   EWGI, Evolution  
P2130R0 WG21 2020-02 Prague Record of Discussion Nina Ranns 2020-03-07 2020-03   WG21  
P2131R0 Changes between C++17 and C++20 Thomas Köppe 2020-03-02 2020-03   WG21  
P2132R0 Language Evolution status after Prague 2020 JF Bastien 2020-03-01 2020-03   WG21  
P2133R0 The Incubator needs YOU! Pal Balog 2020-03-01 2020-03   WG21  
P2134R0 Kaizen*: keep improving together! Pal Balog 2020-03-01 2020-03   WG21  
P2136R0 invoke<R> Zhihao Yuan 2020-03-02 2020-03   Library Evolution  
P2137R0 Goals and priorities for C++ Chandler Carruth, Timothy Costa, Hal Finkel, Dmitri Gribenko, D. S. Hollman, Chris Kennelly, Thomas Köppe, Damien Lebrun-Grandie, Bryce Adelstein Lelbach, Josh Levenberg, Nevin Liber, Chris Palmer, Tom Scogland, Richard Smith, David Stone, Christian Trott, Titus Winters 2020-03-02 2020-03   Evolution  
P2138R0 Rules of Design<=>Wording engagement Ville Voutilainen 2020-03-02 2020-03   Evolution, Library Evolution  
P2139R0 Reviewing Deprecated Facilities of C++20 for C++23 Alisdair Meredith 2020-03-13 2020-03   EWGI, LEWGI, Evolution, Library Evolution  

Modern C++ Training, Chicago, 4 days

By Frances Tait | Mar 23, 2020 11:07 AM | Tags: None

Chcago, November 17-20, 2020

4 Day Modern C++ training from KDAB

with Jim Albamont

About the training

In this hands-on C++11, C++14 and C++17 training for professional C++ developers, you will learn the language changes and the standard library changes introduced in C++11, C++14 as well as changes from C++17.

In class, the new standards will be demonstrated with the aid of many examples, and you will get the opportunity to use them right away in our lab projects. Read more...

CopperSpice: More on Moving to C++17

By Ansel Sermersheim | Mar 23, 2020 11:00 AM | Tags: None

New video on the CopperSpice YouTube Channel:

More on Moving to C++17

by Barbara Geller and Ansel Sermersheim

About the video:

In this video, we look at more of the changes that were added to the language in C++14 and C++17. We look at Generic Lambda Expressions, structured bindings, and some of the surprising new behavior with implicitly declared operators.

Please take a look and remember to subscribe!

C++20: Python's map Function--Rainer Grimm

By Adrien Hamelin | Mar 17, 2020 01:05 PM | Tags: c++20

The series continue.

C++20: Python's map Function

by Rainer Grimm

From the article:

Today, I finish my experiment writing beloved Python functions in C++. So far, I implemented the Python functions filter, range, and xrange. Today, I have a closer look at the map function and combine the functions map and filter into one function...