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  1. #include <iostream>
  2.  
  3. enum class SkipUnused : bool { No, Yes };
  4.  
  5. int main()
  6. {
  7. SkipUnused e{};
  8. bool b1{e};
  9. return 0;
  10. }
Compilation error #stdin compilation error #stdout 0s 3468KB
stdin
Standard input is empty
compilation info
prog.cpp: In function 'int main()':
prog.cpp:8:14: error: cannot convert 'SkipUnused' to 'bool' in initialization
     bool b1{e};
              ^
stdout
Standard output is empty