svs · November 15, 2012 04:42
diff --git a/gistfile1.rb b/gistfile1.rb
 # let the argument errors come from the typecast.
 # one should not worry about the class of the object, just its capabilities.

 def initialize(hash = {})
  @name     = hash[:name].to_s
  @price    = hash[:price].to_f
  @quantity = Integer(hash[:quantity] || 1)
  @list     = List.new(hash[:list])
 end
	# let the argument errors come from the typecast.
	# one should not worry about the class of the object, just its capabilities.

	def initialize(hash = {})
	@name = hash[:name].to_s
	@price = hash[:price].to_f
	@quantity = Integer(hash[:quantity] \|\| 1)
	@list = List.new(hash[:list])
	end