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Smalltalk Report, July–August, 1994
Published online by Cambridge University Press: 04 August 2010
Just when I write something that is too short, I write some that is too long. I was really in the groove of writing columns by this time, and I'd wait until the last minute. Sometimes, as in the previous column, this left me a little short. Sometimes as in this column, I ended up starting something I couldn't finish.
This column points to one of my weaknesses as a writer—I don't turn to pictures nearly soon enough. The material covered here would make much more sense with a few well-chosen pictures. If you get bogged down, try drawing the pictures yourself. That's what I do, even if I don't often publish them.
I kind of ran out of steam towards the end of that last series on creating new objects. I think the message that many of the most important objects are not the ones you find by underlining nouns in problem statements is still valid. The objects that emerge (if you're watching for them) late in the game, during what is typically thought of as maintenance, can profoundly affect how you as a programmer view the system. By the time I got to the fourth part, though, I was tired of the topic. Those last couple of patterns still deserve some reexamination in the future.
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