Web Reference: Sooner or later you will be tempted to subclass one of Ruby's core collection classes. Learn why that's a bad idea - and a better alternative! Jan 30, 2016 · I'm trying to subclass Array to implement a map method that returns instances of my Record class. I'm trying to create a sort of "lazy" array that only instantiates objects as they are needed to try and avoid allocating too many Ruby objects at once. Master every Ruby array method with practical examples. Covers creating, accessing, searching, transforming, sorting, and iterating arrays plus performance tips and common idioms.
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