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why declare constrexpr constructors for classes with non-trivial destructors (e.g. unique_ptr, std::variant)

score 1802 · Answer 1 · 2024-12-26 19:46:26

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why declare constrexpr constructors for classes with non-trivial destructors (e.g. unique_ptr, std::variant)

1.8k views Asked by bolov At 26 December 2024 at 19:46

score 793 · Answer 2 · 2024-12-27 00:26:17

Passing lambda as template parameter to templated by function-pointer function

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score 2028 · Answer 3 · 2025-01-03 22:55:42

std::vector on forward declared type

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score 1292 · Answer 4 · 2024-12-27 00:28:38

Is there a tuple for_each() that returns a tuple of all values returned from the functions invoked?

1.2k views Asked by Short At 27 December 2024 at 00:28

score 4006 · Answer 5 · 2025-01-07 08:05:36

How to use allocators in modern C++

4k views Asked by alfC At 07 January 2025 at 08:05

score 221 · Answer 6 · 2024-12-26 21:41:56

I made a C++17 burrito for mapping over tuples, and anything that has begin() end() iterators. Is it possible to get rid of these factory functions?

score 2059 · Answer 7 · 2024-12-31 15:11:43

Do overloaded logical operators && and || short-circuit since C++17?

2k views Asked by Amir Kirsh At 31 December 2024 at 15:11

score 123 · Answer 8 · 2024-12-27 00:23:45

Why the equivalent representation of a range-for required to be updated?

123 views Asked by skypjack At 27 December 2024 at 00:23

score 409 · Answer 9 · 2025-01-01 16:34:39

In C++17, why do associative containers have an `erase` member function that takes (non-`const`) `iterator`?

409 views Asked by Brian Bi At 01 January 2025 at 16:34

score 2434 · Answer 10 · 2024-12-30 11:22:43

c++ variant class member stored by reference

2.4k views Asked by greg At 30 December 2024 at 11:22

TechQA.

List Question

why declare constrexpr constructors for classes with non-trivial destructors (e.g. unique_ptr, std::variant)

Passing lambda as template parameter to templated by function-pointer function

std::vector on forward declared type

Is there a tuple for_each() that returns a tuple of all values returned from the functions invoked?

How to use allocators in modern C++

I made a C++17 burrito for mapping over tuples, and anything that has begin() end() iterators. Is it possible to get rid of these factory functions?

Do overloaded logical operators && and || short-circuit since C++17?

Why the equivalent representation of a range-for required to be updated?

In C++17, why do associative containers have an `erase` member function that takes (non-`const`) `iterator`?

c++ variant class member stored by reference

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