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  1. #include <iostream>
  2.  
  3. enum
  4. {
  5.     BUTTON_LEFT = 1 << 0,
  6.     BUTTON_RIGHT= 1 << 1,
  7.     BUTTON_MID  = 1 << 2
  8. };
  9.  
  10. int main()
  11. {
  12.     int a = 0;
  13.     a |= BUTTON_LEFT;
  14.     a |= BUTTON_RIGHT;
  15.     a |= BUTTON_MID;
  16.  
  17.     if ( a & BUTTON_RIGHT )
  18.         std::cout << "The button right is pressed." << std::endl;
  19.  
  20.     if ( a == BUTTON_RIGHT )
  21.         std::cout << "There is only the button right." << std::endl;
  22.  
  23.     return 0;
  24. }
Success #stdin #stdout 0s 3296KB
comments (?)
stdin 
Standard input is empty
stdout 
The button right is pressed.
https://ideone.com/BunrTs
language:
C++ (gcc 8.3)
created:
12 years ago
visibility:
secret

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