module RubyCritic::SmellsStatusSetter

def self.set(smells_before, smells_now)
  old_smells = smells_now & smells_before
  set_status(old_smells, :old)
  new_smells = smells_now - smells_before
  set_status(new_smells, :new)
end

def self.set_status(smells, status)
  smells.each { |smell| smell.status = status }
end