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  1. #include <iostream>
  2. #include <atomic>
  3.  
  4. class MyClass
  5. {
  6. public:
  7.     static std::atomic_bool onOrOff;
  8. };
  9.  
  10. std::atomic_bool MyClass::onOrOff(false);
  11.  
  12. int main(int argc, const char * argv[]) {
  13.     std::cout << "It is: " << (MyClass::onOrOff? "on": "off") << "\n";
  14.     return 0;
  15. }
Success #stdin #stdout 0s 3412KB
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stdin
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Standard input is empty
stdout
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It is: off
https://ideone.com/JZJDKH
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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