From: Chad Fowler <chad@...>
Date: 2003-10-03T06:12:12+09:00
Subject: Re: newbie question: function overloading

On Fri, 3 Oct 2003, Weirich, James wrote:

# I would do it like this ...
# 
#   class SomeType
#     def somefunction
#       expression1
#     end
#   end
# 
#   class SomeOtherType
#     def somefunction
#       expression2
#     end
#   end
# 
# Then just call:   
# 
#   a.somefunction
# 
# If you still feel the need to pass obj as an argument to somefunction, you
# can always use:
# 
#   def somefunction(a)
#     a.somefunction
#   end
# 
# 

And if you'd like to see that diagrammed:
http://www.refactoring.com/catalog/replaceConditionalWithPolymorphism.html

:)