Protect your privates

Pop quiz, hot shot! How do you protect your privates?

class Parent def mr_public 'public' end def access_other_protected(other) other.mr_protected end def access_other_private(other) other.mr_private end def access_self_protected self.mr_protected end def access_self_private self.mr_private end protected def mr_protected 'protected' end private def mr_private 'private' end end class Child < Parent def access_parent_protected mr_protected end def access_parent_private mr_private end end def attempt puts yield rescue puts 'forbidden' end parent = Parent.new other = Parent.new child = Child.new attempt { parent.mr_public } attempt { parent.mr_protected } attempt { parent.mr_private } attempt { parent.access_self_protected } attempt { parent.access_self_private } attempt { parent.access_other_protected(other) } attempt { parent.access_other_private(other) } attempt { child.access_parent_protected } attempt { child.access_parent_p...

Full article: http://robots.thoughtbot.com/post/31794893208/protect-you...