On Wed, Oct 16, 2002 at 01:02:16PM +0900, Edward Wilson wrote:
> Is there a way to write/inforce interfaces in Ruby like one can using
> Abstract Classes in C++ or Interfaces in Java?
> 
> If not, how has everyone been approaching this?

Here's something I wrote a while back:

  http://rm-f.net/~cout/code/ruby/treasures/RubyTreasures-0.3/lib/hacks/interface.rb.html

but as I use Ruby more and more, I see less and less use for this.

Paul