#unittest {
    name: "List assignment test.";
    result: 660;
};

class c {
    var count;
    func init(n) {
        count = n;
    }
}

func main() {
    var c1 = c(10);
    var c2 = c(20);
    var c3 = c(30);
    
    var r = [c1, c2, c3];

    var tot1 = r[0].count + r[1].count + r[2].count;
    
    r[0].count = 100;
    r[1].count = 200;
    r[2].count = 300;
    
    var tot2 = r[0].count + r[1].count + r[2].count;
    
    return tot1 + tot2;
}