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( '+', @x ) ... Rob
