user-defined operators

[Eric Newhuis]

This is orthogonal to user-defined operators.

One can already define confusing function names.  Consider:

dbg:ctpg(gq, x, 1) is no less confusing than {gq, x, 1} `@#` Blah.


> How about this?
>
>     N `@#` Primes
>     Seconds `@#` 60
>     MoreSeconds `@#` (Seconds `@#` String `@#` String2)
>
> I want my `operator` to be defined as such.
>
> '@#'(A, B) when is_integer(A), is_list(B) -> ...
> '@#'(A, B) when is_integer(A), is_integer(B) -> ...
> '@#'(A, B) when is_list(A), is_list(B) -> ...