Messenger: The (Complete) Story of Method Lookup
summary
Explains exactly where Ruby looks: every object has a singleton class first, then the class, included modules, superclasses, with ancestors showing the chain; class methods are just singleton methods, top‑level defs become Object private methods, and missing calls fall back to method_missing. Demonstrates behavior with terminal examples, shows include vs prepend ordering and that refinements prepend only lexically, and the small demos run and produce the described outputs.
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chapters (7)
- 0:00Introduction
- 0:41Singleton Methods
- 7:07Nonexistent Methods
- 12:37Modules
- 17:08Refinements
- 21:14Recap
- 26:40Resources
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