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Meta Ruby

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  1. Introspection: Exploring Code with Code
    8 Topics
  2. Augmenting Existing Code
    4 Topics
  3. Augmenting the Language
    6 Topics
  4. Metaprogramming with Modules and Classes
    12 Topics
  5. More Meta Topics
    3 Topics
  6. Conclusion & Next Steps
  1. Meta Ruby
  2. More Meta Topics
  3. Singleton Objects
Module 5, Topic 1
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Singleton Objects

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Sometimes one instance is all you need.

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