# File lib/rake.rb, line 322
322:     def initialize(names, values, parent=nil)
323:       @names = names
324:       @parent = parent
325:       @hash = {}
326:       names.each_with_index { |name, i|
327:         @hash[name.to_sym] = values[i] unless values[i].nil?
328:       }
329:     end