# File lib/puppet/external/event-loop/better-definers.rb, line 164
164:   def define_writer_with_opposite (name_pair, &body)
165:     name, opposite_name = name_pair.flatten.collect { |x| x.to_sym }
166:     define_writer(name, &body)
167:     define_opposite_writer(opposite_name => name)
168:   end