Get a list/array of child classes from Single Table Inheritance in Rails?

Question

I have a whole bunch of child classes that inherit from a parent class via single-table-inheritance in my Rails app. I\'d like a way to get an array of all the child classes tha

Answer 1

Rails extends Ruby Class with the subclasses() method.

In Rails 3 you can call it directly:

YourClass.subclasses

In Rails 2.3, ".subclasses" is protected, so we use have to call it using send():

YourClass.send(:subclasses)