> Mark Wilden wrote: > On 30.05.2008 15:58 > ... > I could refer you to any number of the sources I learned OOP from - except that > I've given them all away by now. :) Just a hint at two OOP sources I've bookmarked: The three pillars of Object Orientation http://www.kirit.com/The%20three%20pillars%20of%20Object%20Orientation Ducktyping vs Interface http://www.kirit.com/_fslib/_content/thread.asp?id=1720512 Cheers, jk -- Posted via http://www.ruby-forum.com/.