Tuple-like constructors

[Jim Apple]

On 2/4/06, Pablo Barenbaum <foones at gmail.com> wrote:
> 2. There is not a way to define functions operating on all
> of these types. Instead, different functions (like zip,
> zip3) must be defined.

There is a discussion of how to do this with constraint handling rules
at http://www.comp.nus.edu.sg/~sulzmann/chameleon/download/haskell.html#zip

Jim