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..