Nested symbolize keys (ruby)

gistfile1.rb

  def nested_symbolize_keys(thing)
    case thing
    when Array
      thing.map { |value| nested_symbolize_keys(value) }
    when Hash
      Hash[thing.map { |key, value| [key.to_sym, nested_symbolize_keys(value)] }]
    else
      thing
    end
  end

http://api.rubyonrails.org/classes/Hash.html#method-i-deep_symbolize_keys 😆