operator_overloading.rn

class WrongOp {
    fun __constructor__(x) {
        this.x = x
    }

    fun __add__(other) {
        return WrongOp(this.x * other.x)
    }

    fun __sub__(other) {
        return WrongOp(this.x / other.x)
    }

    fun dump(name = null) {
        if is_null(name) {
            print("WrongOp("+this.x+")")
        } else {
            print(name+" = WrongOp("+this.x+")")
        }
    }
}

var a = WrongOp(69)
a.dump("a")
var b = WrongOp(420)
b.dump("b")

var c = a + b
c.dump("a + b")
var d = a - b
d.dump("a - b")