cpp/memory/enable shared from this: Revision history

27 April 2026

• curprev 15:2415:24, 27 April 2026 Cubbi talk contribs m 5,998 bytes +82 →Example: edit comment on why Best can't be constructed

22 October 2024

• curprev 08:1908:19, 22 October 2024 Xmcgcg talk contribs 5,916 bytes +50 Added LWG issue #2179 DR.

12 July 2024

• curprev 13:4913:49, 12 July 2024 Cooky talk contribs m 5,866 bytes −10 ~ use Template:dsc expos mem obj

24 May 2024

• curprev 13:0013:00, 24 May 2024 Space Mission talk contribs m 5,876 bytes +31 →Example: adds protection against `Best({})`, per suggested.

16 December 2023

• curprev 15:1515:15, 16 December 2023 Andreas Krug talk contribs m 5,845 bytes 0 fmt

16 November 2023

• curprev 11:4511:45, 16 November 2023 Ybab321 talk contribs 5,845 bytes −20 →Example: use public ctor + private tag idiom to allow make_shared per suggestions page, changed that nullptr comment which I feel missed the point of Best

15 June 2023

• curprev 11:1411:14, 15 June 2023 Fruderica talk contribs m 5,865 bytes +10 →Member functions: fmt

13 June 2023

• curprev 17:5517:55, 13 June 2023 Andreas Krug talk contribs m 5,855 bytes +18 headers sorted, fmt

9 June 2023

• curprev 17:2417:24, 9 June 2023 Fruderica talk contribs m 5,837 bytes +109 →Notes: use weak-this
• curprev 17:1017:10, 9 June 2023 Fruderica talk contribs m 5,728 bytes −134 →Notes: move the FTM
• curprev 16:4316:43, 9 June 2023 Fruderica talk contribs 5,862 bytes +68 Per P0033R1, __cpp_lib_enable_shared_from_this is only intendedly used for weak_from_this. Other parts are treated as DR by implementations. LWG2529

2 January 2023

• curprev 15:2115:21, 2 January 2023 Space Mission talk contribs m 5,794 bytes −49 fmt

1 January 2023

• curprev 22:3322:33, 1 January 2023 Kkouptsov talk contribs m 5,843 bytes +52 Add "make_shared" See Also

6 December 2022

• curprev 23:2623:26, 6 December 2022 Space Mission talk contribs m 5,791 bytes +90 →Notes: ~FTM

4 December 2022

• curprev 02:1902:19, 4 December 2022 Ybab321 talk contribs 5,701 bytes −42 →Example: apparently some people learn about enable_shared_from_this before they learn about default access control
• curprev 01:1501:15, 4 December 2022 185.211.32.38 talk 5,743 bytes +14 It is higly misleading to show only examples with "struct" where omitting "public" still results in public inheritance. If "public" is omitted when using class instead std::enable_shared_from_this will not work properly.

16 April 2022

• curprev 17:3417:34, 16 April 2022 Ljestrada talk contribs m 5,729 bytes −298 langlinks

6 February 2022

• curprev 15:1515:15, 6 February 2022 79.158.26.174 talk 6,027 bytes +1 Fix spacing in code

5 February 2022

• curprev 16:1816:18, 5 February 2022 Space Mission talk contribs m 6,026 bytes +59 →Notes: + feature test macro

15 October 2021

• curprev 17:4717:47, 15 October 2021 BenFrantzDale talk contribs 5,967 bytes +994 Add "Best" case with private c'tor and static factory memfun.

29 August 2019

• curprev 14:5514:55, 29 August 2019 87.128.68.248 talk 4,973 bytes +38 No edit summary

3 December 2018

• curprev 17:3417:34, 3 December 2018 Dmaclach talk contribs 4,935 bytes −25 Undo revision 108153 by Dmaclach (talk)
• curprev 17:3317:33, 3 December 2018 Dmaclach talk contribs 4,960 bytes +25 No edit summary

16 July 2018

• curprev 01:4701:47, 16 July 2018 2601:484:c000:df6:3529:370c:cb5f:5eaf talk 4,935 bytes +9 Mark output as "possible output" since undefined behavior in invoked in the example.

26 March 2018

• curprev 01:0501:05, 26 March 2018 2607:fea8:4e9f:fd53:2d6e:c3cd:3199:200f talk 4,926 bytes −1 Fix typo in constructor description

9 May 2017

• curprev 16:0216:02, 9 May 2017 TBBle talk contribs 4,927 bytes +129 From C++17, std::enable_shared_from_this is only detected by std::shared_ptr constructors if unambiguous and accessible, and does not overwrite existing live ownership.

30 January 2017

• curprev 20:5720:57, 30 January 2017 Pgolubev talk contribs 4,798 bytes −7 Undo revision 89930 by Pgolubev (talk)
• curprev 20:5520:55, 30 January 2017 Pgolubev talk contribs m 4,805 bytes +7 example fix: public inheritance

15 January 2017

• curprev 01:2901:29, 15 January 2017 Cubbi talk contribs 4,798 bytes −7 Undo revision 89265 by 77.203.46.150 (talk) it is public

14 January 2017

• curprev 22:0222:02, 14 January 2017 77.203.46.150 talk 4,805 bytes +7 The enable_shared_from_this inheritance has to be public.

30 December 2016

• curprev 15:5115:51, 30 December 2016 T. Canens talk contribs 4,798 bytes −56 →Notes: This revbox seems pointless

29 December 2016

• curprev 14:5314:53, 29 December 2016 Cubbi talk contribs 4,854 bytes +21 Undo revision 89091 by 217.12.216.22 (talk) it is not private inheritance (and the page says it wouldn't work).. but I guess it's worth making a comment
• curprev 14:0914:09, 29 December 2016 217.12.216.22 talk 4,833 bytes +7 If it's a private inharitance of std::enable_from_this<Good>, it doesn't work properly at least on MSVC implementation

13 October 2016

• curprev 13:5113:51, 13 October 2016 Cubbi talk contribs 4,826 bytes −770 gathered the notes in the Notes section, one example per page

6 August 2016

• curprev 18:4818:48, 6 August 2016 Korval talk contribs 5,596 bytes +17 weak_this is marked exposition only in the standard.

13 July 2016

• curprev 19:3219:32, 13 July 2016 Cubbi talk contribs 5,579 bytes +9 slipped in "publicly" for the inheritance from shared_from_this: http://stackoverflow.com/questions/38165889

27 June 2016

• curprev 14:0314:03, 27 June 2016 Amirk talk contribs 5,570 bytes +1,384 added Wrong Usage Example - important since many programmers fail with that

15 March 2016

• curprev 13:1213:12, 15 March 2016 Cubbi talk contribs 4,186 bytes +302 actually private member object entry works here too, for the new spec

13 March 2016

• curprev 20:1420:14, 13 March 2016 Cubbi talk contribs 3,884 bytes +159 weak_from_this (p0033r1)

9 April 2014

• curprev 22:3722:37, 9 April 2014 Kalaxy talk contribs 3,725 bytes +175 Corrected notes about interaction between shared_ptr and enable_shared_from_this.

14 November 2013

• curprev 23:1723:17, 14 November 2013 84.52.101.196 talk 3,550 bytes +2 No edit summary

11 July 2013

• curprev 01:4901:49, 11 July 2013 SuperBoi45 talk contribs m 3,548 bytes 0 No edit summary

10 July 2013

• curprev 01:2901:29, 10 July 2013 P12bot talk contribs m 3,548 bytes −15 Use since= and until= params of {{ddcl}} template.

1 June 2013

• curprev 06:1206:12, 1 June 2013 P12bot talk contribs m 3,563 bytes −5 Update links.
• curprev 03:1303:13, 1 June 2013 P12bot talk contribs m 3,568 bytes −44 Shorten template names. Use {{lc}} where appropriate.

3 November 2012

• curprev 00:2500:25, 3 November 2012 P12bot talk contribs m 3,612 bytes +337 r2.7.3) (Robot: Adding de, es, fr, it, ja, pt, ru, zh

23 October 2012

• curprev 13:2513:25, 23 October 2012 Mattyclarkson talk contribs m 3,275 bytes +1 Added a space between eachother

15 June 2012

• curprev 21:3021:30, 15 June 2012 P12bot talk contribs m 3,274 bytes −1 Text replace - "/sidebar" to "/navbar"

11 May 2012

• curprev 22:1622:16, 11 May 2012 Nate talk contribs 3,275 bytes +5 constructor is protected
• curprev 22:1322:13, 11 May 2012 Nate talk contribs 3,270 bytes +8 format code