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

score 1.8k · Answer 1 · 2024-12-26 19:46:26

1.8k

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

Published on 26 December 2024 at 19:46

score 831 · Answer 2 · 2024-12-27 00:26:17

831

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

Published on 27 December 2024 at 00:26

score 2k · Answer 3 · 2025-01-03 22:55:42

2k

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std::vector on forward declared type

Published on 03 January 2025 at 22:55

score 1.3k · Answer 4 · 2024-12-27 00:28:38

1.3k

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

Published on 27 December 2024 at 00:28

score 4k · Answer 5 · 2025-01-07 08:05:36

4k

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How to use allocators in modern C++

Published on 07 January 2025 at 08:05

score 266 · Answer 6 · 2024-12-26 21:41:56

266

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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?

Published on 26 December 2024 at 21:41

score 2.1k · Answer 7 · 2024-12-31 15:11:43

2.1k

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

Published on 31 December 2024 at 15:11

score 157 · Answer 8 · 2024-12-27 00:23:45

157

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

Published on 27 December 2024 at 00:23

score 475 · Answer 9 · 2025-01-01 16:34:39

475

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

Published on 01 January 2025 at 16:34

score 2.4k · Answer 10 · 2024-12-30 11:22:43

2.4k

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c++ variant class member stored by reference

Published on 30 December 2024 at 11:22

score 989 · Answer 11 · 2024-12-14 02:35:20

989

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How does std::apply forward parameters without explicit std::forward?

Published on 14 December 2024 at 02:35

score 173 · Answer 12 · 2024-12-31 16:15:10

173

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Neither clang nor g++ compile the snippet below. Why?

Published on 31 December 2024 at 16:15

score 889 · Answer 13 · 2024-12-29 01:46:32

889

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constexpr recursive function using if constexpr or not

Published on 29 December 2024 at 01:46

score 6.4k · Answer 14 · 2024-12-27 00:03:24

6.4k

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Why is std::shared_ptr::unique() deprecated?

Published on 27 December 2024 at 00:03

score 5.1k · Answer 15 · 2024-12-31 00:14:01

5.1k

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Can constexpr-if-else bodies return different types in constexpr auto function?

Published on 31 December 2024 at 00:14

score 13.4k · Answer 16 · 2025-01-07 09:54:57

13.4k

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Using std::string_view with api that expects null-terminated string

Published on 07 January 2025 at 09:54

score 12.8k · Answer 17 · 2024-12-27 00:03:22

12.8k

Views

Why is there no std::future::then in C++17?

Published on 27 December 2024 at 00:03

score 1.7k · Answer 18 · 2024-12-29 01:34:00

1.7k

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Trivial default constructor for std::optional

Published on 29 December 2024 at 01:34

score 18.9k · Answer 19 · 2024-12-27 00:20:27

18.9k

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How to count the number of files in a directory using standard?

Published on 27 December 2024 at 00:20

score 409 · Answer 20 · 2024-12-29 01:42:06

409

Views

Parameter with non-deduced type after parameter pack

Published on 29 December 2024 at 01:42

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

How does std::apply forward parameters without explicit std::forward?

Neither clang nor g++ compile the snippet below. Why?

constexpr recursive function using if constexpr or not

Why is std::shared_ptr::unique() deprecated?

Can constexpr-if-else bodies return different types in constexpr auto function?

Using std::string_view with api that expects null-terminated string

Why is there no std::future::then in C++17?

Trivial default constructor for std::optional

How to count the number of files in a directory using standard?

Parameter with non-deduced type after parameter pack

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