// https://godbolt.org/z/vb5a3EjcY
#include <iostream> // cout
#include "database.hpp" // include the foreign API
class Database {
const db_handle_t db_; // make constant
public:
explicit Database(const char* filename);
~Database();
int execute(const char* query);
Database(const Database&) = delete; // prohibit copying
Database& operator=(const Database&) = delete; // prohibit assignment
};
// … Implementations as before …
int main() {
Database db{ "customers.dat" };
std::cout << "Count: "<< db.execute("select * from cust") << "\n";
Database db2{ db }; // (ERR) compiler prevents dangerous copy
db = db2; // (ERR) compiler prevents dangerous assignment
}