Doc. no.	N3837
Date:	2014-01-16
Project:	Programming Language C++
Reply to:	Ville Voutilainen <[email protected]>

C++ Standard Evolution Completed Issues List (Revision R05)

Revised 2014-01-16 at 19:01:45 UTC

Reference ISO/IEC IS 14882:2003(E)

Also see:

Table of Contents for all evolution issues.
Index by Section for all evolution issues.
Index by Status for all evolution issues.
Evolution Active Issues List
Evolution Closed Issues List

This document contains only evolution issues which have been closed by the Evolution Working Group (EWG) after being found to be acceptable extensions to the standard. That is, issues which have a status of DR, TC1, WP, C++11, or Resolved. See the Evolution Closed Issues List for issues closed as non-defects. See the Evolution Active Issues List for active issues and more information. The introductory material in that document also applies to this document.

Revision History

R05: 2014-01-17 pre-Issaquah mailing
- Summary:
  - 49 open issues, up by 3.
  - 30 closed issues, up by 0.
  - 79 issues total, up by 3.
- Details:
  - Added the following 3 New issues: 77, 78, 79.
  - Changed the following issue from New to Open: 72.
  - Changed the following issue from Ready to Open: 41.
R04:
- R04: 2013-10-11 post-Chicago mailing
  - Summary:
    - 46 open issues, down by 9.
    - 30 closed issues, up by 12.
    - 76 issues total, up by 3.
  - Details:
    - Added the following 3 Open issues: 74, 75, 76.
    - Changed the following 4 issues from New to NAD: 12, 68, 69, 73.
    - Changed the following 2 issues from Open to NAD: 32, 33.
    - Changed the following 6 issues from New to Open: 2, 17, 19, 23, 52, 71.
    - Changed the following 4 issues from Open to WP: 18, 21, 22, 27.
    - Changed the following 2 issues from Ready to WP: 3, 20.
R03:
- R03: 2013-08-27 pre-Chicago mailing
  - Summary:
    - 55 open issues, up by 7.
    - 18 closed issues, up by 0.
    - 73 issues total, up by 7.
  - Details:
    - Added the following 7 New issues: 67, 68, 69, 70, 71, 72, 73.
R02: 2013-05-06 post-Bristol mailing
- Summary:
  - 49 open issues, up by 2.
  - 18 closed issues, up by 17.
  - 67 issues total, up by 19.
- Details:
  - Added the following 3 NAD issues: 53, 54, 55.
  - Added the following 6 New issues: 49, 50, 51, 52, 59, 65.
  - Added the following 7 Open issues: 56, 57, 58, 60, 63, 66, 66.
  - Added the following 3 WP issues: 61, 62, 64.
  - Changed the following 5 issues from New to NAD: 31, 36, 37, 38, 47.
  - Changed the following 8 issues from New to Open: 14, 30, 32, 33, 34, 35, 43, 48.
  - Changed the following 6 issues from New to Ready: 40, 41, 42, 44, 45, 46.
  - Changed the following 2 issues from Open to WP: 16, 25.
  - Changed the following 4 issues from Ready to WP: 1, 6, 7, 13.
R01: 2013-03-18 Pre-Bristol mailing
- Summary:
  - 47 open issues, up by 47.
  - 1 closed issues, up by 1.
  - 48 issues total, up by 48.
- Details:
  - Added the following NAD issue: 39.
  - Added the following 32 New issues: 2, 5, 8, 10, 11, 12, 14, 15, 17, 19, 23, 24, 26, 28, 30, 31, 32, 33, 34, 35, 36, 37, 38, 40, 41, 42, 43, 44, 45, 46, 47, 48.
  - Added the following 9 Open issues: 4, 9, 16, 18, 21, 22, 25, 27, 29.
  - Added the following 6 Ready issues: 1, 3, 6, 7, 13, 20.

Completed Issues

1. N3638, N3582, N3386 Return type deduction for normal functions

Section: 7.1.6.4 [dcl.spec.auto] Status: WP Submitter: Jason Merrill Opened: 2012-03-27 Last modified: 2013-10-14

View all other issues in [dcl.spec.auto].

View all issues with WP status.

Discussion:

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3386.html

http://open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3582.html

Reviewed by EWG in Portland 2012, proceeding to CWG.

Accepted into the Working Draft in Bristol 2013, as N3638.

Wording available:

The paper contains the proposed wording.

3. N3760, N3394 [[deprecated]] attribute

Section: 7.6 [dcl.attr] Status: WP Submitter: Alberto Ganesh Barbati Opened: 2012-06-12 Last modified: 2013-10-14

View all issues with WP status.

Discussion:

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2013/n3760.html

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3394.html

Reviewed by EWG in Portland 2012, proceeding to CWG.

Adopted in Chicago 2013

Wording available:

The paper contains the proposed wording.

6. N3667, N3401 Generating move operations (elaborating on Core 1402)

Section: 12.8 [class.copy] Status: WP Submitter: Ville Voutilainen Opened: 2012-09-21 Last modified: 2013-10-14

View all other issues in [class.copy].

View all issues with WP status.

Discussion:

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3401.html

Reviewed by EWG in Portland 2012, proceeding to CWG.

Accepted into the Working Draft in Bristol 2013, as N3667.

Wording available:

The related Core issue contains the proposed wording.

7. N3642, N3468, N3402 User-defined Literals for Standard Library Types, N3472 Binary Literals in the C++ Core Language

Section: 2.14.2 [lex.icon] Status: WP Submitter: Peter Sommerlad Opened: 2012-09-08 Last modified: 2013-10-14

View all issues with WP status.

Discussion:

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3402.pdf

http://open-std.org/JTC1/SC22/WG21/docs/papers/2012/n3468.pdf

http://open-std.org/JTC1/SC22/WG21/docs/papers/2012/n3472.pdf

Reviewed by EWG in Portland 2012, binary literals to be added into the core language, the rest of the paper is on LWG's plate. The binary literals are proceeding to CWG.

Accepted into the Working Draft in Bristol 2013, as N3642.

N3472 also accepted into the Working Draft in Bristol 2013.

Wording available:

The paper contains the Library wording, Dennett has written the Core wording (N3472) for binary literals.

13. N3639, N3497, N3467, N3412 Runtime-sized arrays with automatic storage duration

Section: 3.9 [basic.types] Status: WP Submitter: Jens Maurer Opened: 2012-09-19 Last modified: 2013-10-14

View all other issues in [basic.types].

View all issues with WP status.

Discussion:

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3412.html

http://open-std.org/JTC1/SC22/WG21/docs/papers/2012/n3467.html

http://open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3497.html

Reviewed by EWG in Portland 2012, proceeding to CWG. The library part is N2648 C++ Dynamic Arrays, and that part is proceeding to LWG.

Accepted into the Working Draft in Bristol 2013, as N3639.

Wording available:

The paper contains the proposed wording, as does the Library counterpart.

16. N3649, N3560, N3559, N3418 Proposal for Generic (Polymorphic) Lambda Expressions

Section: 5.1.2 [expr.prim.lambda] Status: WP Submitter: Faisal Vali Opened: 2012-09-21 Last modified: 2013-10-14

View all other issues in [expr.prim.lambda].

View all issues with WP status.

Discussion:

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3418.pdf

http://open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3559.pdf

http://open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3560.pdf

http://open-std.org/JTC1/SC22/WG21/docs/papers/2013/n3649.html

Reviewed by EWG in Portland 2012, proceeding with a follow-up paper.

Accepted into the Working Draft in Bristol 2013, as N3649.

Bristol 2013: Do not re-open proposals 2.1 and 2.2 in N3560, they are considered NAD. The proposals 2.3 and 2.4 are covered by N3649.

18. N3424 Lambda Correctness and Usability Issues

Section: 5.1.2 [expr.prim.lambda] Status: WP Submitter: Herb Sutter Opened: 2012-09-23 Last modified: 2013-10-14

View all other issues in [expr.prim.lambda].

View all issues with WP status.

Discussion:

http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2012/n3424.pdf

Reviewed by EWG in Portland 2012, proceeding with a follow-up paper. Changes to const captures rejected, capturing of 'this' and members encouraged to continue with a follow-up paper.

Init-captures in C++14 provide the necessary facilities for capturing 'this' and class members, voted into the WP in Bristol 2013.