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  1. struct MakeFlags
  2. {
  3.     template <class T>
  4.     friend T operator |(T a, T b) { return (T) ((int) a | (int) b); }
  5.     template <class T>
  6.     friend T operator &(T a, T b) { return (T) ((int) a & (int) b); }
  7. };
  8.  
  9. struct Flags : MakeFlags {
  10.     enum T { Flag1 = 1, Flag2 = 2, Flag3 = 4 };
  11. };
  12.  
  13. int main()
  14. {
  15.     Flags::T test = Flags::Flag1 | Flags::Flag2;
  16.     return 0;
  17. }
Success #stdin #stdout 0s 2892KB
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https://ideone.com/KsG5MW
language:
C++ (gcc 8.3)
created:
11 years ago
visibility:
secret

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