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. Feb 26, 2007 · elements: a query name, a field array, and a data array. If you use inheritance, you have to worry about which of these elements is the “primary” one which inherits from some other class, and deal with all the nits of inherited methods (such as Array#map always returning an Array, as you discovered).
YouTube Excerpt: Sooner or later you will be tempted to
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