programming-examples/ruby/Data_Structures/cursor.rb
2019-11-15 12:59:38 +01:00

18 lines
375 B
Ruby

# This file contains the Ruby code from book of
# "Data Structures and Algorithms
# with Object-Oriented Design Patterns in Ruby"
# by Bruno R. Preiss.
#
# Copyright (c) 2004 by Bruno R. Preiss, P.Eng. All rights reserved.
class Cursor < AbstractObject
abstractmethod :datum
abstractmethod :insertAfter
abstractmethod :insertBefore
abstractmethod :withdraw
end