From: Jeremy Henty <jeremy@...>
Date: 2007-02-19T01:10:06+09:00
Subject: Why should initialize_copy verify the class of the original?

I was looking at the CD player example in the Pickaxe book and I can't
see why their C implementation of CDPlayer#initialize_copy needs to
check that the original object is an instance of CDPlayer .  Isn't
this always the case?  If #initialize_copy is only called from inside
#dup or #clone then surely the receiver has to be of the same class as
the original!  What am I missing?

Regards, 

Jeremy Henty