Even better to avoid chaining altogether by using delegation (cf. Law of Demeter) and taking advantage of the :allow_nil option to Active Support's Module#deleg

Even better to avoid chaining altogether by using delegation (cf. Law of Demeter) and taking advantage of the :allow_nil option to Active Support's Module#delegate (http://api.rubyonrails.org/classes/Module.html#method-i-delegate http://api.rubyonrails.org/classes/Module.html#method-i-dele...).