Method to_a

ruby/red-arrow-format/lib/arrow-format/array.rb:676–690

  class MapArray < VariableSizeListArray
    def to_a
      return [] if empty?

      super.collect do |entries|
        if entries.nil?
          entries
        else
          hash = {}
          entries.each do |key, value|
            hash[key] = value
          end
          hash
        end
      end
    end
  end

  class UnionArray < Array