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  1. #include <tuple>
  2. #include <string>
  3. #include <iostream>
  4.  
  5. int main()
  6. {
  7. {
  8. std::tuple<const std::string> t(std::string("hello"));
  9. std::cout << '"' <<std::get<0>(t) << "\"\n";
  10. }
  11.  
  12. {
  13. std::tuple<const std::string&> t(std::string("world"));
  14. std::cout << '"' <<std::get<0>(t) << "\"\n";
  15. }
  16. }
Success #stdin #stdout 0s 3472KB
stdin
Standard input is empty
stdout
"hello"
""