Boolean literals

Syntax

Explanation

The Boolean literals are the keywords true and false. They are prvalues of type bool.

Notes

See Integral conversions for implicit conversions from bool to other types and boolean conversions for the implicit conversions from other types to bool.

Example

#include <iostream>
 
int main()
{
  std::cout << std::boolalpha
            << true << '\n'
            << false << '\n'
            << std::noboolalpha
            << true << '\n'
            << false << '\n';
}

true
false
1
0