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  1. #include <iostream>
  2. #include <bitset>
  3.  
  4. enum class Weekdays
  5. {
  6.     kSunday = 0,
  7.     kMonday,
  8.     kTuesday,
  9.     kWednesday,
  10.     kThursday,
  11.     kFriday,
  12.     kSaturday,
  13.     COUNT
  14. };
  15.  
  16. class Foo {
  17. 	private:
  18. 		std::bitset<(ulong)Weekdays::COUNT> weekdayFlags;
  19. 	public:
  20. 		void setDay(Weekdays day) { weekdayFlags.set((size_t)day); }
  21. 		std::bitset<(ulong)Weekdays::COUNT>::reference operator[](Weekdays day) { return weekdayFlags[(size_t)day]; }
  22. };
  23.  
  24. int main() {
  25. 	Foo f;
  26.  
  27. 	f.setDay(Weekdays::kMonday);
  28. 	f[Weekdays::kTuesday] = f[Weekdays::kMonday]; 
  29. 	std::cout << std::boolalpha 
  30. 		<< "Monday: " << f[Weekdays::kMonday] << std::endl
  31. 		<< "Tuesday: " << f[Weekdays::kTuesday] << std::endl
  32. 		<< "Wednesday: " << f[Weekdays::kWednesday] << std::endl;
  33.  
  34. 	return 0;
  35. }
Success #stdin #stdout 0s 4424KB
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stdin
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Standard input is empty
stdout
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Monday: true
Tuesday: true
Wednesday: false
https://ideone.com/3yiG3C
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
public

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