Talking head
Ruby Conference 2014

This presentation, by Michael Hartl, is licensed under a Creative Commons Attribution ShareAlike 3.0
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Let's peek under the hood of the the Enumerable module, a goldmine of examples of the power and flexibility of Ruby. Although some of Enumerable's methods are familiar from workhorse Ruby data structures such as Array and Hash, there are tons of hidden gems, including cycle, lazy, partition, and grep. Mastering the ins & outs of Enumerable will save you time, avoid bugs, and help you write clearer and more concise code. Join the author of the Ruby on Rails Tutorial on a journey through one of the most captivating and illuminating modules in Ruby's Standard Library.

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