Dic

require 'dic'

class MyDic < Dic
  def initialize
    super
    # set name to 'Thomas'
    name 'Thomas'

    # use proc to computer values lazily
    answer { long_computation() }

    # properties can be defined in any order
    upfoo { foo.upcase }
    foo { 'bar' }

    # you can use #set
    set answer, 42
  end
end

mc = MyDic.new
mc.foo    # => 'bar'
mc[:foo] # => 'bar'