module Chargify2
  module Utils
    module HashExtensions
      def recursive_symbolize_keys
        self.inject({}){|result, (key, value)|
          new_key = case key
                    when String then key.to_sym
                    else key
                    end
          new_value = case value
                      when Hash then value.recursive_symbolize_keys
                      else value
                      end
          result[new_key] = new_value
          result
        }
      end
    end
  end
end