trait Debug{
    def debugVars():Any = {
        val vars = this.getClass.getDeclaredFields
        for(v <- vars){
            v.setAccessible(true)
            println("Field: " + v.getName() + " => " + v.get(this))
        }
    }
}

class Point(xv: Int, yv: Int) extends Debug {
    var x: Int = xv
    var y: Int = yv
    var a: String = "test"
}

var p : Point = new Point(3,4);
p.debugVars();