1. Passing structs to functions

struct Rectangle {
    int width;  // member variable
    int height; // member variable
    // Constructors
    Rectangle()
    {
        width = 1;
        height = 1;
    }
    Rectangle( int width_  )
    {
        width = width_;
        height = width_ ;
    }
    Rectangle( int width_ , int height_ )
    {
        width = width_;
        height = height_;
    }
    
    void set_dimensions( int width_ , int height_ )
    {
        width = width_;
        height = height_;
    }
    int area() const
    {
        return ( width * height );
    }
};//struct Rectangle

#include <iostream>
void normalize( Rectangle rect )
{
    rect.set_dimensions( 1, 1 );
}
int main()
{
    Rectangle rect( 333, 222 );
    normalize( rect );
    std::cout << "rectangle width: " << rect.width << '\n';
    std::cout << "rectangle height: " << rect.height << '\n';
    std::cout << "rectangle area: " << rect.area() << '\n';
    return 0;
}