demo case of reale_size and relate_value not working - `block in relate': wrong number of arguments (1 for 0) (ArgumentError)

[gmanfunky]

The provided demo

!/usr/bin/env ruby

require 'ruckus'

class Foo < Ruckus::Structure
byte :id
byte :len
str :string
relate_size :string, :to => :len
relate_value :len, :to => :string, :through => :size
end

r = Foo.new
r.string = "HAHAHAHA"
pp r.to_human

returns:
$ ruby test_rucus.rb
/usr/lib/ruby/gems/1.9.1/gems/ruckus-0.6.0/lib/ruckus/structure/relate.rb:17:in block in relate': wrong number of arguments (1 for 0) (ArgumentError) from /usr/lib/ruby/gems/1.9.1/gems/ruckus-0.6.0/lib/ruckus/structure/initializers.rb:11:ininstance_eval'
from /usr/lib/ruby/gems/1.9.1/gems/ruckus-0.6.0/lib/ruckus/structure/initializers.rb:11:in block in final_initialization_hook' from /usr/lib/ruby/gems/1.9.1/gems/ruckus-0.6.0/lib/ruckus/structure/initializers.rb:11:ineach'
from /usr/lib/ruby/gems/1.9.1/gems/ruckus-0.6.0/lib/ruckus/structure/initializers.rb:11:in final_initialization_hook' from /usr/lib/ruby/gems/1.9.1/gems/ruckus-0.6.0/lib/ruckus/structure/defaults.rb:13:infinal_initialization_hook'
from /usr/lib/ruby/gems/1.9.1/gems/ruckus-0.6.0/lib/ruckus/structure.rb:115:in final_initialization_hook' from /usr/lib/ruby/gems/1.9.1/gems/ruckus-0.6.0/lib/ruckus/structure.rb:172:ininitialize'
from test_rucus.rb:12:in new' from test_rucus.rb:12:in

'

[rfzabick]

If you're using a newer ruby, you can edit your ruckus source to fix this.

Change line 16 of relate.rb from
self.initializers << lambda do
to
self.initializers << lambda do |ignore|