aliasing.rb

class A
  def foo
    'hello'
  end
  alias_method :bar, :foo
end

class B < A
  def foo
    'bye'
  end
end

x = B.new
x.bar # I would expect this to be "bye"
      # But it is "hello"

## HOWEVER

class B < A
  def foo
    'bye'
  end
  alias_method :bar, :foo
end

x = B.new
x.bar # "bye"