2013?3?13? Concern C: a constexpr function or constructor invoked at runtime
2020?10?21? C++11 introduced generalised constant expressions. ? A constexpr function in C++11 was a single return statement:.
2021?10?8? We do not propose changing the meaning of the implied inline specifier on a constexpr function to match C++'s inline. A C constexpr function ...
constexpr float pi = 3.14159265; // Object definition constexpr constructor allows user- ... Can't use C++14 std::array since element access is not.
constexpr. ? New keyword in C++11. ? Can be applied to. ? (Free and Member) Functions. ? Variables. ? Constructors. ? Enables Evaluation at Compile-
2019?7?15? For types with nontrivial default constructors ... As of C++17
2020?1?13? Use of the template metaprogramming model which dominated C++ ... An appropriately marked constexpr function has the following properties1:.
2015?4?28? In C++14 a lambda-expression is prohibited from appearing within a ... as constexpr
A constexpr function can be executed at compiletime. The only types usable within a constexpr context are literal types. A constant expression or constexpr
2007?4?17? constructed from “sufficiently simple” constructors (constexpr ... In current C++ a variable or static data member declared const can be ...