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 | class C
  private
  def foo
  end
  
  public
  alias bar foo 
  
  p private_instance_methods(false)
  p public_instance_methods(false)
  puts '---'
  
  public :bar
  
  p private_instance_methods(false)
  p public_instance_methods(false)  
  puts '---'
end
class D < C
  alias baz foo
  
  p private_instance_methods(false)
  p public_instance_methods(false)  
  puts '---'   
end
class X < D
end
$baz = X.new.method(:baz)
$u_baz = $baz.unbind
$bar = X.new.method(:bar)
$u_bar = $baz.unbind
p $baz, $u_baz, $bar, $u_bar
puts '---'
class Y < C
  define_method :baz1, $baz rescue p $!
  define_method :baz2, $u_baz rescue p $!
  define_method :bar1, $bar rescue p $!
  define_method :bar2, $u_bar rescue p $!
end
 |