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![Introspect Ruby Subclasses class Sandwich end Sandwich.subclasses # => [] class Panini < Sandwich end Sandwich.subclasses # => [Panini] class Hoagie < Sandwich end Sandwich.subclasses # => [Hoagie, Panini] Since Ruby 3.1, we can discover subclasses as they are added. No extra metaprogramming required!](https://graceful.dev/wp-content/uploads/2025/12/Untitled-1.png)
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