From: Jake McArthur <jake.mcarthur@...>
Date: 2006-07-28T15:43:58+09:00
Subject: Re: Howto ? :: Person is a customer

On Jul 28, 2006, at 12:39 AM, Squeak Smalltalk wrote:

> Hi,
>
> Beginner question probably but I do not know how to do it correctly.
>
> I will read informations from a file and create an object.
> During my load I do not know if it is a employe or a customer so I
> create a person object.
> After the object is created I will know which type it is.
>
> After I know I want to change the type of my object.
>
> How will you do it ?
>
> Best Regards
> W.

How about making Person#to_employee and Person#to_customer methods?  
That would be very Ruby-like, would it not?

However, I think I would just find a way to wait until I know before  
instantiating it, then passing all necessary data into the  
appropriate .new method when I do.

- Jake McArthur