The Magic Pens of Ruby

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By gst
via dablog.rubypal.com
Published: Feb 20 2007 / 14:23

I’ve recently found myself describing single objects yielded by iterators as “magic pens.” Though it may sound more psychodelic than technical, it’s actually proven to be a good way to explain these objects and give people a feel for why an iterator would only yield one object in the first place.

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