Method: Concept::Relation::Base#rank

Defined in:
app/models/concept/relation/base.rb

#rank ⇒ Object 



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# File 'app/models/concept/relation/base.rb', line 100

def rank
  unless self.class.rankable?
    raise 'Use `include Rankable` to make a concept relation rankable.'
  else
    super
  end
end