StackOverflow Questions for Tag: constexpr-function

AR-47

Reputation: 23

Stroustrup book constexpr example does not compile in VS C++ 2022

c++constexprconstexpr-function

Score: 2

Answers: 2

tower120

Reputation: 5265

Can't use function parameter of a constexpr function in a constant expression

c++c++11constexprconstexpr-function

Score: 23

Answers: 3

Bahram Pouryousefi

Reputation: 141

Creating constexpr map filled by calls to a constexpr function in C++ 17

c++templatesc++17compile-timeconstexpr-function

Score: 0

Answers: 1

Warren P

Reputation: 69072

Should I declare a constant instead of writing a constexpr function?

c++c++11constexprconstexpr-function

Score: 399

Answers: 15

PaperBirdMaster

Reputation: 13298

constexpr function that keeps multiplying a number until "it is big enough"

c++templatesconstexpr-function

Score: 1

Answers: 3

Torsten Knodt

Reputation: 766

How can I get a constexpr size from a std::set, which I can use to return a std::array with the number of elements in the std::set in C++23?

c++constexprc++23constexpr-functionc++26

Score: 2

Answers: 1

vohir

Reputation: 23

How do `constexpr` "compile time pointers" work in C++?

c++pointersconstexprconstexpr-function

Score: 0

Answers: 1

nectarine

Reputation: 145

How can I initialise a constexpr array with values using std::generate

c++constexprconstexpr-function

Score: 2

Answers: 2

Oersted

Reputation: 2734

Why is it possible to use the return of a lambda, passed as argument of a constexpr function argument, in a constant expression within the function?

c++constant-expressioncallable-objectconstexpr-function

Score: 9

Answers: 2

NormakLOE32

Reputation: 39

Using constexpr for both runtime and compile-time evaluations - passing constexpr value as a function parameter

c++c++20constexprconstexpr-function

Score: 1

Answers: 2

ntos

Reputation: 319

cout is able to run at compile-time

c++constexprconstexpr-function

Score: 0

Answers: 1

icecity96

Reputation: 1227

Use of constexpr function before definition fails

c++constexprconstexpr-function

Score: 31

Answers: 2

John Kalane

Reputation: 1185

Where in the C++20 standard (N4860) does it say that an inline function must be defined before its use in a translation unit?

c++c++20inlineconstexpr-function

Score: 0

Answers: 1

yqZhang4480

Reputation: 522

Can any reentrant function in C++ be refactored into a constexpr function?

c++multithreadingconstexpr-function

Score: 0

Answers: 1

lsbbo

Reputation: 312

Do constexpr functions have to be defined before they are used?

c++constexprconstexpr-function

Score: -1

Answers: 2

Brotcrunsher

Reputation: 2254

Given C++23 relaxations on constexpr, can't constexpr be the default?

c++constexprlanguage-designc++23constexpr-function

Score: 10

Answers: 1

Oersted

Reputation: 2734

virtual and constexpr before up to C++17

c++virtualconstexpr-function

Score: 3

Answers: 1

Finn Eggers

Reputation: 945

Why does gcc 12.2 not optimise divisions into shifts in this constexpr function called from main()

c++g++compiler-optimizationinteger-divisionconstexpr-function

Score: 4

Answers: 1

Waker

Reputation: 235

What are the conditions that `constexpr` will start a new constant expression context?

c++c++20constexprconstexpr-function

Score: 3

Answers: 1

Satyam Sharma

Reputation: 29

Different compilation results with template and non-template class having constexpr constructor

c++c++11templatesconstexprconstexpr-function

Score: 2

Answers: 1

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StackOverflow Questions for Tag: constexpr-function

Stroustrup book constexpr example does not compile in VS C++ 2022

Can&#39;t use function parameter of a constexpr function in a constant expression

Creating constexpr map filled by calls to a constexpr function in C++ 17

Should I declare a constant instead of writing a constexpr function?

constexpr function that keeps multiplying a number until &quot;it is big enough&quot;

How can I get a constexpr size from a std::set, which I can use to return a std::array with the number of elements in the std::set in C++23?

How do `constexpr` &quot;compile time pointers&quot; work in C++?

How can I initialise a constexpr array with values using std::generate

Why is it possible to use the return of a lambda, passed as argument of a constexpr function argument, in a constant expression within the function?

Using constexpr for both runtime and compile-time evaluations - passing constexpr value as a function parameter

cout is able to run at compile-time

Use of constexpr function before definition fails

Where in the C++20 standard (N4860) does it say that an inline function must be defined before its use in a translation unit?

Can any reentrant function in C++ be refactored into a constexpr function?

Do constexpr functions have to be defined before they are used?

Given C++23 relaxations on constexpr, can&#39;t constexpr be the default?

virtual and constexpr before up to C++17

Why does gcc 12.2 not optimise divisions into shifts in this constexpr function called from main()

What are the conditions that `constexpr` will start a new constant expression context?

Different compilation results with template and non-template class having constexpr constructor

Can't use function parameter of a constexpr function in a constant expression

constexpr function that keeps multiplying a number until "it is big enough"

How do `constexpr` "compile time pointers" work in C++?

Given C++23 relaxations on constexpr, can't constexpr be the default?