From: Tomasz Wegrzanowski <taw@...>
Date: 2001-12-29T08:12:08+09:00
Subject: [ruby-talk:29598] Re: extending method of class A to support arguments of class B by promoting `self' to class B

On Sat, Dec 29, 2001 at 07:59:42AM +0900, Mark Hahn wrote:
> 
> > it should be promoted to Complex
> 
> Is this possible?  I've wanted to change an object's type before inside a
> method of that object, but I didn't think it was possible.
> 
> Or did you mean "return" a Complex object.  That is all you really need to
> do in the case you describe.

I meant: temporary object of type Complex, initiated by Real object, should be created,
and method `*' of this temporary Complex object should be used instead of method `*' of Real object.