Method: CPEE::ProcessTransformation::Traces#same_first

Defined in:
lib/cpee/processtransformation/structures.rb

#same_first ⇒ Object 



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# File 'lib/cpee/processtransformation/structures.rb', line 319

def same_first
  (n = self.map{|t| t.first }.uniq).length == 1 ? n.first : nil
end