this reminds me of how even fulton, the author of the ruby way, made a critical mistake in "the ruby way" 1st edition (fixed in 2nd edition) and matz chimed in

this reminds me of how even fulton, the author of the ruby way, made a critical mistake in "the ruby way" 1st edition (fixed in 2nd edition) and matz chimed in saying " "Don't modify the receiver while you are iterating over it." http://www.justskins.com/forums/collect-with-block-modifying-71472.html http://www.justskins.com/forums/collect-with-block-modifying...