On 5/18/05, Stuart Cook <[EMAIL PROTECTED]> wrote:
> To summarise what I think everyone is saying, -reducing an empty
> list yields either:
> 1) undef (which may or may not contain an exception), or
> 2) some unit/identity value that is a trait of the operator,
> depending on whether or not people think (2) is actually a good idea.
I would think that the Principle of Least Surprise points to (1),
given that the standard explanation of the [EMAIL PROTECTED] is eval join( '+',