How can I implement this arrow? Thanks

[Ashley Yakeley]

In article <20030916122417.00006151.ddarius at hotpop.com>,
 Derek Elkins <ddarius at hotpop.com> wrote:

> > I don't think this type is an arrow. For a "product arrow", i.e. an 
> > instance of Hughes' "Arrow" class with "first" defined, you can define
> > this:
> 
> Oh, it's definitely an arrow.

I don't think you can make it an instance of Hughes' Arrow without some 
function for combining Strings.

-- 
Ashley Yakeley, Seattle WA