Rails - Jan 2008 - Dynamically lookup setter methods defined by a instanciated class.

Is there any cleaner way than this to get all setter methods of a 
instantiated class?

class ABC
  attr_accessor :a
  attr_accessor :b
  attr_accessor :c
  attr_reader :d
  attr_writer :e
end

abc = ABC.new

puts abc.public_methods.collect! { |m| m if m =~ /[[:alpha:]]=$/ 
}.delete_if { |m| m.nil? }

 >> require ''test.rb''
aebc=> true

Thanks.

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