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Chapter 5: Class Definitions - Part II

Ruby Refinement Wrapper Prepended Wrapper Around Alias

Chapter 5: Class Definitions - Part I “Where you learn another way to mix code and bindings at will”― Metaprogramming Ruby ―

Ruby Instance_eval Class_eval Around Alias

Chapter 4: Blocks - Part III

Ruby Proc Lambda & Blocks

Chapter 4: Blocks - Part II

Ruby Scope Gates Scope Blocks

Chapter 4: Blocks - Part I

Ruby Blocks Scope