class Gem::Resolv::DNS::Resource

def ==(other) # :nodoc:
  return false unless self.class == other.class
  s_ivars = self.instance_variables
  s_ivars.sort!
  s_ivars.delete :@ttl
  o_ivars = other.instance_variables
  o_ivars.sort!
  o_ivars.delete :@ttl
  return s_ivars == o_ivars &&
    s_ivars.collect {|name| self.instance_variable_get name} ==
      o_ivars.collect {|name| other.instance_variable_get name}
end