let object = {
    __setter = [
        "field1" = function(self, val)
            print("setter for field1 called!")
            self.x = val
        end
    ],

    __getter = [
        "field1" = function(self)
            print("getter for field1 called!")

            return self.x + 1
        end
    ]
}

object.field1 = 1337

print("got field: " .. object.field1)