type=class
superclass=Object
included=
extended=
library=rake

۴ĤθƤӽФ򸡽Ф뤿Υ饹Ǥ

:
  a = Rake::InvocationChain::EMPTY
  b = a.append('task_a').append('task_b')
  p b.to_s  # => "TOP => task_a => task_b"
  
  a.append('task_a').append('task_b').append('task_a') # => 㳰ȯ
