Compile time concealment of critical data.
#include <iostream>
#include <secret.hpp>
int main() {
// Build a new string that is hidden at compile time.
constexpr auto s = secret::str("Hello, World!");
// Use the dereference operator to retrieve a std::basic_string containing a copy of
// the plaintext data
std::cout << *s << std::endl;
return 0;
}