fork(1) download

copy

#include <iostream>
#include <string>
 
class ID_Record
{
  public:
    bool operator==(const ID_Record& other) const = delete;
    unsigned int id;  // Record ID used for database.
    std::string  value;
};
 
int main() {
	ID_Record a{6, "Tree"};
	ID_Record b{3, "Platinum"};
	if (a == b) std::cout << "Records are equal\n"; // This line should fail compilation.
}

prog.cpp: In function ‘int main()’:
prog.cpp:15:11: error: use of deleted function ‘bool ID_Record::operator==(const ID_Record&) const’
  if (a == b) std::cout << "Records are equal\n"; // This line should fail compilation.
           ^
prog.cpp:7:10: note: declared here
     bool operator==(const ID_Record& other) const = delete;
          ^~~~~~~~

Standard output is empty