RubyTapas Episode 13: Singleton Objects

Sometimes one instance is all you need.


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    1. The Singleton module is about finding a way to force a class to only permit a single instance. The whole point of this episode is to say, why start with a class and then try to lock it down to once instance? Why not just start with an instance?

      The Singleton Pattern (and Ruby library) is kind of orthogonal, I talk about it more in another episode.

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