<posted & mailed> Richard Dale wrote: > Tim Hunter wrote: > >> Frequently. Google comp.lang.ruby for 'duck typing' and be prepared for a >> lot of reading. Warning: it's a divisive topic. > No, not really - I don't see this as divisive - what is the opposing > opinion? You can can line up your target ducks with less fuss with my > 'conforms_to?' suggestion surely? I've been reading ruby-talk for a while > and haven't noticed any divisive discussions about duck typing.. > Check out the csinterface and the interface projects on RAA. These look similar to your conforms_to? proposal. http://blade.nagaokaut.ac.jp/cgi-bin/scat.rb/ruby/ruby-talk/100511 is a good and recent summary of the duck typing issue.