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  1. struct Score
  2. {
  3. 	enum Method { None, AbsFromPerfect, ErrorSquared };
  4. };
  5.  
  6. void foo(Score::Method m) {}
  7.  
  8. int main()
  9. {
  10. 	foo(Score::None);
  11. 	foo(15);
  12. }
Compilation error #stdin compilation error #stdout 0s 3292KB
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stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:11:8: error: invalid conversion from ‘int’ to ‘Score::Method’ [-fpermissive]
  foo(15);
        ^
prog.cpp:6:6: error:   initializing argument 1 of ‘void foo(Score::Method)’ [-fpermissive]
 void foo(Score::Method m) {}
      ^
stdout
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Standard output is empty
https://ideone.com/6wWorj
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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