utx::ixlast is the last signed integral type of class type, utx::ilast is long long int, utx::ixlast is utx::class_type<utx::ilast> .
utx::ixlast - utx::ilast, the class type of utx::ilast .
#include <utxcpp/core.hpp> int main() { constexpr utx::ixlast x = 87; utx::print(x); }