StrictParent

Add this line to your application's Gemfile:

gem 'strict_parent'

And use it like this:

class Parent
  extend StrictParent

  subclass_must_implement :create
end

class Child < Parent
 # will throw if it receives :create
end

1. Fork it ( https://github.com/[my-github-username]/strict_parent/fork )
2. Create your feature branch (git checkout -b my-new-feature)
3. Commit your changes (git commit -am 'Add some feature')
4. Push to the branch (git push origin my-new-feature)
5. Create a new Pull Request