Cool exercise to more deeply understand Enumerable

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Nov 1, 2013, 2:26:57 PM11/1/13

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Hey folks!

Happy All Saints Day!

In the same spirit of "Rebuilding Rails" — namely that the best way to learn how a car works is to build one — I bumped into this one, today.

Might be fun (some day) going through this exercise together. Like break into pairs, tackle a test, stop and retrospect; then go on to the next test.