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  1. #include <iostream>
  2. #include <string>
  3.  
  4. class ID_Record
  5. {
  6.   public:
  7.     unsigned int id;  // Record ID used for database.
  8.     std::string  value;
  9. };
  10.  
  11. int main() {
  12. 	ID_Record a{6, "Tree"};
  13. 	ID_Record b{3, "Platinum"};
  14. 	if (a == b) std::cout << "Records are equal\n"; // This line should fail compilation.
  15. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:14:8: error: no match for ‘operator==’ (operand types are ‘ID_Record’ and ‘ID_Record’)
  if (a == b) std::cout << "Records are equal\n"; // This line should fail compilation.
      ~~^~~~
stdout 
Standard output is empty
https://ideone.com/xuGR4u
language:
C++ (gcc 8.3)
created:
1 year ago
visibility:
public

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