From: Chad Fowler <chad@...>
Date: 2003-12-19T09:24:57+09:00
Subject: Re: How to return more than one result from a method?

On Fri, 19 Dec 2003, Tim Hunter wrote:

# On Fri, 19 Dec 2003 09:12:20 +0900, Chad Fowler wrote:
# > 
# > What does the Float represent?  Perhaps there is a relationship between 
# > the two that would make a new type of class communicate better.  My 
# > thought is (generally) that if you can't tie the two return values 
# > together in some kind of meaningful way, you may be doing more than one 
# > job in the method and you could split the method in two.  That's just a 
# > heuristic of course.  Can you explain what the method does a little more?
# > 
# 
# The method compares two Images and returns a "difference" image (a new
# Image that graphically highlights the differences between the two input
# images). The Float is a "distortion" statistic - a measure of the amount
# of difference between the two.
# 

I think I might just "return new_image, distortion" in this case. :)