User L. F. - Stack Overflow

147 votes

What is a modern way to filter a container?

answered Aug 2, 2019 at 4:06

65 votes

Accepted

Can I take the address of a function defined in standard library?

answered Apr 15, 2019 at 10:20

42 votes

Is it possible to test if a constexpr function is evaluated at compile time?

answered Oct 5, 2019 at 12:03

35 votes

How can I check type T is among parameter pack Ts...?

answered Jun 23, 2019 at 1:00

28 votes

Accepted

How to use C++20 <format> in CMake project

answered Feb 22, 2020 at 4:51

27 votes

Accepted

while statement with initializer

answered Jan 30, 2020 at 12:35

23 votes

Accepted

Why can an initializer list only be used on declaration?

answered May 9, 2019 at 9:51

21 votes

SFINAE works with deduction but fails with substitution

answered Apr 30, 2019 at 12:47

18 votes

Can you std::bit_cast to a std::array to obtain the bytes of an object?

answered Oct 10, 2019 at 10:23

18 votes

Are there any realistic use cases for `decltype(auto)` variables?

answered Aug 10, 2019 at 9:09

17 votes

Accepted

C++20: Concepts of multiple types and its constraint, correct syntax?

answered Jul 11, 2019 at 0:38

16 votes

Accepted

Why doesn't std::deque allow specifying the bucket size?

answered Jul 14, 2019 at 23:52

16 votes

Accepted

Can a non-type template parameter be of type "void*"?

answered May 6, 2019 at 10:18

15 votes

Accepted

Is it legal to define an anonymous struct?

answered Apr 30, 2019 at 8:01

15 votes

Accepted

Can I add a deduction guide to `std` namespace?

answered Nov 22, 2019 at 11:20

15 votes

Accepted

why is std::variant permitted to hold the same type more than once?

answered Jun 24, 2021 at 3:41

14 votes

Accepted

How to iterate over two containers sequentially

answered Oct 15, 2020 at 13:11

14 votes

Why is a borrowed range not an iterator, but the range is?

answered Sep 1, 2020 at 10:13

14 votes

Do std::make_shared and std::make_unique have a "nothrow" version?

answered Jul 18, 2019 at 10:31

13 votes

Does C++11 change the behavior of explicitly calling std::swap to ensure ADL-located swap's are found, like boost::swap?

answered Aug 5, 2019 at 4:58

12 votes

Accepted

How to deduce the return type of a lambda?

answered Nov 10, 2019 at 10:36

12 votes

Accepted

Why is it so convoluted to get the date and/or time in C++?

answered Dec 28, 2019 at 10:44

12 votes

Accepted

Why does std::ofstream truncate without std::ios_base::trunc?

answered Jul 17, 2019 at 6:56

12 votes

Does it make sense to surround std::lock_guard with an extra scope to reduce the size of the critical section?

answered Jan 28, 2019 at 10:27

11 votes

Accepted

What is the C++ way to do this instead of using function pointers?

answered Jun 6, 2019 at 7:24

11 votes

Accepted

Integer operation with boundary when overflow in Rust

answered Sep 3, 2020 at 8:48

11 votes

Accepted

Using placement new in generic programming

answered Aug 17, 2019 at 19:43

10 votes

Accepted

Why do cv-qualifiers get removed from function return type in some cases?

answered Sep 29, 2019 at 11:23

10 votes

Accepted

Why does the string introduced by the sv suffix not expire?

answered May 18, 2019 at 2:00

9 votes

Accepted

C++ "value++" causes warning but "value+1" doesn't?

answered May 23, 2019 at 7:32

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361 Answers

What is a modern way to filter a container?

Can I take the address of a function defined in standard library?

Is it possible to test if a constexpr function is evaluated at compile time?

How can I check type T is among parameter pack Ts...?

How to use C++20 <format> in CMake project

while statement with initializer

Why can an initializer list only be used on declaration?

SFINAE works with deduction but fails with substitution

Can you std::bit_cast to a std::array to obtain the bytes of an object?

Are there any realistic use cases for `decltype(auto)` variables?

C++20: Concepts of multiple types and its constraint, correct syntax?

Why doesn't std::deque allow specifying the bucket size?

Can a non-type template parameter be of type "void*"?

Is it legal to define an anonymous struct?

Can I add a deduction guide to `std` namespace?

why is std::variant permitted to hold the same type more than once?

How to iterate over two containers sequentially

Why is a borrowed range not an iterator, but the range is?

Do std::make_shared and std::make_unique have a "nothrow" version?

Does C++11 change the behavior of explicitly calling std::swap to ensure ADL-located swap's are found, like boost::swap?

How to deduce the return type of a lambda?

Why is it so convoluted to get the date and/or time in C++?

Why does std::ofstream truncate without std::ios_base::trunc?

Does it make sense to surround std::lock_guard with an extra scope to reduce the size of the critical section?

What is the C++ way to do this instead of using function pointers?

Integer operation with boundary when overflow in Rust

Using placement new in generic programming

Why do cv-qualifiers get removed from function return type in some cases?

Why does the string introduced by the sv suffix not expire?

C++ "value++" causes warning but "value+1" doesn't?