1   // Fig. 21.5: fig21_05.cpp
 2   // Demonstrating operator keywords.
 3   #include <iostream>
 4   #include <ciso646> // enables operator keywords in Microsoft Visual C++
 5   using namespace std;
 6
 7   int main()
 8   {
 9      bool a = true;
10      bool b = false;
11      int c = 2;
12      int d = 3;
13
14      // sticky setting that causes bool values to display as true or false
15      cout << boolalpha;
16
17      cout << "a = " << a << "; b = " << b
18         << "; c = " << c << "; d = " << d;
19
20      cout << " Logical operator keywords:";
21      cout << "    a and a: " << ( a and a );
22      cout << "    a and b: " << ( a and b );
23      cout << "     a or a: " << ( a or a );
24      cout << "     a or b: " << ( a or b );
25      cout << "      not a: " << ( not a );
26      cout << "      not b: " << ( not b );
27      cout << " a not_eq b: " << ( a not_eq b );
28
29      cout << " Bitwise operator keywords:";
30      cout << " c bitand d: " << ( c bitand d );
31      cout << " c bitor d: " << ( c bitor d );
32      cout << "    c xor d: " << ( c xor d );
33      cout << "    compl c: " << ( compl c );
34      cout << " c and_eq d: " << ( c and_eq d );
35      cout << " c or_eq d: " << ( c or_eq d );
36      cout << " c xor_eq d: " << ( c xor_eq d ) << endl;
37   } // end main