StackOverflow Questions for Tag: c%2B%2B23

Jupiter

Reputation: 1532

Can my getter return a `std::span<T*>` if my member is of type `std::vector<std::unique_ptr<T>>`?

c++c++23

Score: 1

Answers: 1

Ludovic Aubert

Reputation: 10544

replace range of projected struct fields

c++replacec++20projectionc++23

Score: 2

Answers: 1

bers

Reputation: 5813

What do I have to do to make an enum class std::formattable?

c++c++-conceptsformatterc++23

Score: 2

Answers: 0

rubenvb

Reputation: 76775

How do you use std::views::zip (and friends) with the pipe syntax?

c++std-rangesc++23

Score: 4

Answers: 1

zwhconst

Reputation: 1523

Cannot return a named rvalue reference in a function with return type of lvalue reference?

c++rvaluelvaluec++23

Score: 4

Answers: 1

user2138149

Reputation: 17266

How to use socket recv in combination with std::vector without the cost of resize in C++23?

c++socketsnetwork-programmingrecvc++23

Score: -2

Answers: 2

user2138149

Reputation: 17266

Is it possible to use std::chrono to create a datetime type which is not linked to a particular clock or implementation of a "now" function?

c++c++-chronoc++23

Score: 1

Answers: 1

xmllmx

Reputation: 42379

Why is `std::flat_set` not yet implemented while `std::flat_map` is already done in libc++20?

c++clangstdc++23libc++

Score: 2

Answers: 0

user2138149

Reputation: 17266

Why can't I take the address of some elements of a struct containing multiple elements?

c++c++23

Score: 2

Answers: 1

user2138149

Reputation: 17266

Is subtracting two pointers to the same type meaningful if those pointers point to items in different arrays?

c++c++23

Score: -1

Answers: 3

user2138149

Reputation: 17266

Why does this 3-byte struct have an `alignof` value of 1?

c++c++23

Score: 1

Answers: 1

Joseph Garvin

Reputation: 21974

How to have a single parameter concept enforce presence of a templated method?

c++templatesc++-conceptsc++23c++-templates

Score: 1

Answers: 0

user2138149

Reputation: 17266

To obtain correctly aligned memory in the allocation of `std::vector<T>`, does it matter what the choice of `T` is?

c++c++23

Score: 1

Answers: 1

khteh

Reputation: 3976

c++ long double (128-bit) precision

x86-64precisionc++23long-double128-bit

Score: 1

Answers: 1

user2138149

Reputation: 17266

Should `alignof` be used when serializing data to a buffer in C++?

c++c++23

Score: 1

Answers: 1

user2138149

Reputation: 17266

How to use Docker to build a C++ application?

c++dockerc++23

Score: -1

Answers: 1

Rud48

Reputation: 1059

How to use global functions inside a module without using a header file

c++c++20c++23

Score: 2

Answers: 1

user2138149

Reputation: 17266

What is pointer alignment in C++ and why is it significant in the context of creating undefined behaviour?

c++c++23

Score: 1

Answers: 1

user2138149

Reputation: 17266

How to flush a stream in C++23 when using std::print or std::println?

c++c++23

Score: 0

Answers: 2

NoSenseEtAl

Reputation: 30128

Why I can not construct mdspan from 2D C array?

c++c++23mdspan

Score: 1

Answers: 1

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StackOverflow Questions for Tag: c%2B%2B23

Can my getter return a `std::span&lt;T*&gt;` if my member is of type `std::vector&lt;std::unique_ptr&lt;T&gt;&gt;`?

replace range of projected struct fields

What do I have to do to make an enum class std::formattable?

How do you use std::views::zip (and friends) with the pipe syntax?

Cannot return a named rvalue reference in a function with return type of lvalue reference?

How to use socket recv in combination with std::vector without the cost of resize in C++23?

Is it possible to use std::chrono to create a datetime type which is not linked to a particular clock or implementation of a &quot;now&quot; function?

Why is `std::flat_set` not yet implemented while `std::flat_map` is already done in libc++20?

Why can&#39;t I take the address of some elements of a struct containing multiple elements?

Is subtracting two pointers to the same type meaningful if those pointers point to items in different arrays?

Why does this 3-byte struct have an `alignof` value of 1?

How to have a single parameter concept enforce presence of a templated method?

To obtain correctly aligned memory in the allocation of `std::vector&lt;T&gt;`, does it matter what the choice of `T` is?

c++ long double (128-bit) precision

Should `alignof` be used when serializing data to a buffer in C++?

How to use Docker to build a C++ application?

How to use global functions inside a module without using a header file

What is pointer alignment in C++ and why is it significant in the context of creating undefined behaviour?

How to flush a stream in C++23 when using std::print or std::println?

Why I can not construct mdspan from 2D C array?

Can my getter return a `std::span<T*>` if my member is of type `std::vector<std::unique_ptr<T>>`?

Is it possible to use std::chrono to create a datetime type which is not linked to a particular clock or implementation of a "now" function?

Why can't I take the address of some elements of a struct containing multiple elements?

To obtain correctly aligned memory in the allocation of `std::vector<T>`, does it matter what the choice of `T` is?