HashUtils

hash_utils.rb

module HashUtils
  def self.recursive_symbolize_keys(h)
    case h
    when Hash
      Hash[
        h.map do |k, v|
          [ k.respond_to?(:to_sym) ? k.to_sym : k, recursive_symbolize_keys(v) ]
        end
      ]
    when Enumerable
      h.map { |v| recursive_symbolize_keys(v) }
    else
      h
    end
  end
end