class Rake::TaskArguments

def initialize(names, values, parent=nil)

:values). :parent is the parent argument object.
(given by :names) and a set of associated values (given by
Create a TaskArgument object with a list of named arguments 
def initialize(names, values, parent=nil)
  @names = names
  @parent = parent
  @hash = {}
  names.each_with_index { |name, i|
    @hash[name.to_sym] = values[i] unless values[i].nil?
  }
end