class EacRubyUtils::Listable::SymbolList

def parse_labels(labels)
  if labels.first.is_a?(Hash)
    Hash[labels.first.map { |k, v| [k.to_sym, v.to_sym] }]
  else
    Hash[labels.map { |v| [v.to_sym, v.to_sym] }]
  end
end