How to get all class names in a namespace in Ruby?

Question

I have a module Foo, that it is the namespace for many classes like Foo::Bar, Foo::Baz and so on.

Is there an way to return al

Answer 1

If, instead of the names of the constants, you want the classes themselves, you could do it like this:

Foo.constants.map(&Foo.method(:const_get)).grep(Class)