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Why does a defaulted default constructor depend on whether it is declared inside or outside of class?

score 172 · Answer 1 · 2022-04-22T13:35:48.013000

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Why does a defaulted default constructor depend on whether it is declared inside or outside of class?

172 views Asked by Fedor At 22 April 2022 at 13:35

score 1413 · Answer 2 · 2021-02-04T18:18:15.487000

Why C++20 allows defaulted comparison to compile even when it is deleted?

1.4k views Asked by NoSenseEtAl At 04 February 2021 at 18:18

score 187 · Answer 3 · 2019-12-21T04:07:57.863000

Why does copy-and-swap in a base class cause the copy-assignment operator to be implicitly deleted in the derived class?

187 views Asked by SumDood At 21 December 2019 at 04:07

score 303 · Answer 4 · 2018-12-05T20:51:31.973000

C++11 deleted/defaulted constructors

303 views Asked by Andy At 05 December 2018 at 20:51

score 738 · Answer 5 · 2016-05-13T06:12:43.553000

Visual Studio C2580 when using default keyword

738 views Asked by Peter Lenkefi At 13 May 2016 at 06:12

score 349 · Answer 6 · 2019-03-18T15:56:50.020000

Why is the constructor of std::in_place_t defaulted and explicit?

349 views Asked by Martin Fehrs At 18 March 2019 at 15:56

score 10765 · Answer 7 · 2009-05-05T08:49:08.747000

What's the point in defaulting functions in C++11?

10.7k views Asked by Motti At 05 May 2009 at 08:49

score 414 · Answer 8 · 2011-08-29T00:18:27.483000

Can I default a private constructor in the class body or not?

414 views Asked by R. Martinho Fernandes At 29 August 2011 at 00:18

score 176 · Answer 9 · 2021-12-11T21:13:21.803000

Can special member functions be defaulted if they use typedefs?

176 views Asked by user541686 At 11 December 2021 at 21:13

score 331 · Answer 10 · 2023-02-28T03:16:43.663000

Declaration of operator has a different exception specifier

331 views Asked by mariacat At 28 February 2023 at 03:16

score 1007 · Answer 11 · 2018-04-19T06:59:32.340000

What are the pros and cons of always declaring defaulted constructors?

1k views Asked by Moia At 19 April 2018 at 06:59

score 397 · Answer 12 · 2015-10-16T21:52:15.977000

=default ignores access specifier?

397 views Asked by Silversonic At 16 October 2015 at 21:52

score 296 · Answer 13 · 2013-06-05T13:33:59.153000

Are user-defined default constructors less efficient?

296 views Asked by PaperBirdMaster At 05 June 2013 at 13:33

score 961 · Answer 14 · 2016-12-08T16:00:36.790000

Efficiently creating C++11 move and copy aware structs

961 views Asked by johnco3 At 08 December 2016 at 16:00

score 548 · Answer 15 · 2010-09-27T14:56:44.660000

Why would you "default" a copy/move constructor or a destructor?

548 views Asked by AudioBubble At 27 September 2010 at 14:56

score 119 · Answer 16 · 2023-09-13T10:57:58.810000

Why can't most defaulted operators have a placeholder return type, i.e. auto?

119 views Asked by Jan Schultke At 13 September 2023 at 10:57

score 469 · Answer 17 · 2023-03-14T13:23:51.353000

error: use of deleted function operator=(&&) with std::optional

469 views Asked by glades At 14 March 2023 at 13:23

score 183 · Answer 18 · 2015-04-30T14:13:45.227000

using std::unique_ptr pimpl with explicit default destructor

183 views Asked by Daniel Heilper At 30 April 2015 at 14:13

score 520 · Answer 19 · 2019-09-17T20:22:43.153000

C++ implicit definition of special functions

520 views Asked by user42768 At 17 September 2019 at 20:22

score 1054 · Answer 20 · 2011-05-29T12:35:34.087000

How can one default a special member function if one doesn't know its parameter types?

1k views Asked by Johannes Schaub - litb At 29 May 2011 at 12:35

TechQA.

List Question

Why does a defaulted default constructor depend on whether it is declared inside or outside of class?

Why C++20 allows defaulted comparison to compile even when it is deleted?

Why does copy-and-swap in a base class cause the copy-assignment operator to be implicitly deleted in the derived class?

C++11 deleted/defaulted constructors

Visual Studio C2580 when using default keyword

Why is the constructor of std::in_place_t defaulted and explicit?

What's the point in defaulting functions in C++11?

Can I default a private constructor in the class body or not?

Can special member functions be defaulted if they use typedefs?

Declaration of operator has a different exception specifier

What are the pros and cons of always declaring defaulted constructors?

=default ignores access specifier?

Are user-defined default constructors less efficient?

Efficiently creating C++11 move and copy aware structs

Why would you "default" a copy/move constructor or a destructor?

Why can't most defaulted operators have a placeholder return type, i.e. auto?

error: use of deleted function operator=(&&) with std::optional

using std::unique_ptr pimpl with explicit default destructor

C++ implicit definition of special functions

How can one default a special member function if one doesn't know its parameter types?

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