Definition of Constexpr. Meaning of Constexpr. Synonyms of Constexpr

- type if they are defined with the constexpr keyword: constexpr double earth_gravitational_acceleration = 9.8; constexpr double moon_gravitational_acceleration...
- constexpr functions constexpr function does not need its return type and parameter types to be literal type it is now possible to write a constexpr function...
- factorial { static constexpr unsigned value = N * factorial<N - 1>::value; }; template <> struct factorial<0> { static constexpr unsigned value = 1;...
- the explicit modifier to be contingent on a Boolean expression expanded constexpr: virtual functions, union, try and catch, dynamic_cast and typeid, std::pointer_traits...
- calls to any non-const constexpr-declared non-static member functions. goto statements are forbidden in C++14 relaxed constexpr-declared functions. Also...
- Allowing exception throwing in constant-evaluation constexpr structured bindings and references to constexpr variables Oxford variadic comma, i.e. "Deprecate...
- evaluation e.g. using C++11 constexpr. #include <cstdio> constexpr int Factorial(int n) { return n ? (n * Factorial(n - 1)) : 1; } constexpr int f10 = Factorial(10);...
- used for variables, as in the following example: template<typename T> constexpr T pi = T{3.141592653589793238462643383L}; // (Almost) from std::numbers::pi...
- help topics } }; int main() { constexpr Topic PRINT_TOPIC = 1; constexpr Topic PAPER_ORIENTATION_TOPIC = 2; constexpr Topic APPLICATION_TOPIC = 3; //...
- of some other constraints. Examples include constexpr of C++ (both properties). See also: C++11 § constexpr – Generalized constant expressions. Since pure...