bool behaviour (convertion/promotion) for logical and artihmetic operators, C++ (vc++)

bool behaviour (convertion/promotion) for logical and artihmetic operators

//Microsoft (R) C/C++ Optimizing Compiler Version 19.00.23506 for x86

#include <iostream>

int main()
{
    bool b1 = 2, b2 = 4;
    bool result;
    
    std::cout << "true:" << true << " false: " << false << " b1(2): " << b1 << " b2(4):" << b2 << "\n\n";
    
    result = b1 & b2;
    std::cout << std::boolalpha << b1 << " & " << b2 << " = " << result << "; ";
    std::cout << std::noboolalpha << b1 << " & " << b2 << " = " << result << '\n';
    
    result = b1 | b2;
    std::cout << std::boolalpha << b1 << " | " << b2 << " = " << result << "; ";
    std::cout << std::noboolalpha << b1 << " | " << b2 << " = " << result << '\n';
    
    result = b1 && b2;
    std::cout << std::boolalpha << b1 << " && " << b2 << " = " << result << "; ";
    std::cout << std::noboolalpha << b1 << " && " << b2 << " = " << result << '\n';
    
    result = b1 || b2;
    std::cout << std::boolalpha << b1 << " || " << b2 << " = " << result << "; ";
    std::cout << std::noboolalpha << b1 << " || " << b2 << " = " << result << '\n';
}


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