class ActiveFacts::Metamodel::Topic
Public Instance Methods
precursors()
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# File lib/activefacts/metamodel/extensions.rb, line 171 def precursors # Precursors of a topic are the topics of all precursors of items in this topic all_concept.map{|c| c.precursors }.flatten.uniq.map{|c| c.topic}.uniq-[self] end