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  1. #include <iostream>
  2.  class ob {
  3.  	public:
  4.  	std::string s;
  5.  	auto & getter4() const {
  6.  		return s;
  7.  	}
  8.  };
  9. int main() {
  10. 	ob const s;
  11. 	std::string & t = s.getter4();
  12. 	t = "test";
  13.  
  14. 	std::cout << s.s;
  15. 	return 0;
  16. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:11:29: error: binding reference of type ‘std::__cxx11::string&’ {aka ‘std::__cxx11::basic_string<char>&’} to ‘const std::__cxx11::basic_string<char>’ discards qualifiers
  std::string & t = s.getter4();
                    ~~~~~~~~~^~
stdout
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Standard output is empty
https://ideone.com/T8eyhm
language:
C++14 (gcc 8.3)
created:
104 days ago
visibility:
secret

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