constexpr new

27 nov 2020 · std::unique_ptr is currently not constexpr friendly With the loosening of requirements on constexpr in [P0784R10] and the ability to use new 

constexpr functions: A constexpr function is one which is “suf- ficiently simple” of C++ (including some uses of the new operator) than what we needed for the 

New keyword: constexpr • Introduced in C++ constexpr char tile_fixative[] = " grout"; // Object definition static_assert static constexpr const char* a = &who[1];

21 oct 2020 · The last includes discussion on “constexpr new-expressions” ▷ P0784 More constexpr containers (Peter Dimov et al ) ▷ Only transient 

approaches are presented in this paper: the first is based on the C++11's new Putting the static assert and the constexpr together, we can write tests which are 

error: call to non-constexpr function 'unsigned int factorial(unsigned int)' А давайте разрешим вызывать new в constexpr функциях, если в этой же 

int main() { auto const uart { new (reinterpret_cast(0x40021000)) UART { } }; uart->read(); } Notice we can't use constexpr here, since the 

const constexpr const_cast continue decltype default delete do double int long mutable namespace new noexcept not not_eq nullptr operator or or_eq private 

variable templates, polymorphic lambdas, lambda captures expressions, new/ delete elision, relaxed restrictions on constexpr functions, binary literals, digit