#include <math.h>

#outer // {
// This code will be placed outside of the generated function
struct Point{
    float x, y;
    
    float dist(const Point other){
        return sqrt(pow(other.x - x, 2) + pow(other.y - y, 2)); 
    }
};

struct Rectangle{
    Point p1, p2;
    
    float area(){
        return abs((p1.x - p2.x) * (p1.y - p2.y));
    }
    
    float perimeter(){
        return 2 * (abs(p1.x - p2.x) + abs(p1.y - p2.y));
    }
}
#endouter // }
// This code will be in the function.

Point pt1 = Point(0,0);
Point pt2 = Point(1,2);

@dist = pt1->dist(pt2);

Rectangle rect = Rectangle(pt1, pt2);

@area = rect->area();
@perimeter = rect->perimeter();