Venturing into the Spooky Science of Ruby
summary
Explains concrete internals: how method lookup walks class → included modules → object/kernel/basic_object, how const_set/const_get and class_new create classes at runtime, how define_method via send adds behavior, and how singleton (eigen) classes hold per-object and per-class methods. Notes prepend (Ruby 2.0) puts modules before the class so the vaccine module wins, remove_method deletes only from the named class while undef_method blocks any lookup, and the dynamic zombie/vaccine demo actually works.
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chapters (11)
- 0:00Introduction
- 1:42Overview
- 8:56Method Lookup
- 13:15Zombies
- 19:03Singleton class
- 19:38Play method
- 20:25Singleton classes
- 26:13Katie
- 27:11Zombie vaccine
- 28:45Remove method
- 31:21Summary
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