#include <iostream>
template<auto X> void println() { std::cout << X << std::endl; }
int main() {
println<1.23>();
println<42>();
// The following attempts to print a string do not work
// uncomment to see why
// 1.
// println<"Hello!">();
// 2.
// constexpr std::string_view hello = "Hello!";
// println<hello>();
return 0;
}