From: Tukai Patra <lists@...>
Date: 2013-02-28T23:32:00+09:00
Subject: Re: Discussion on Ruby's `alias`

class Foo
def show
p "hi"
end
end
#=> nil
class Foo
alias :old_show :show
def show
p "hi! I am there."
old_show
end
end

#=> nil
foo = Foo.new
#=> #<Foo:0x116bde8>
foo.show
"hi! I am there."
"hi"
#=> "hi"
foo.old_show
"hi"
#=> "hi"


Now say I did the below:

class Foo
def old_show
p "There is another with the same name as of mine"
end
end

foo.old_show
"There is another with the same name as of mine"
#=> "There is another with the same name as of mine"

And here `foo.old_show` is confusing.And Ruby gives the priority to the 
latest `old_show` version. Now in such a
situation, - any more chance to call the aliased version of `old_show` ?

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