# File lib/transaction/simple.rb, line 280
280:     def self.debug_io=(io)
281:       if io.nil?
282:         @tdi        = nil
283:         @debugging  = false
284:       else
285:         unless io.respond_to?(:<<)
286:           raise TransactionError, Messages[:bad_debug_object]
287:         end
288:         @tdi = io
289:         @debugging = true
290:       end
291:     end