[Python-3000] Python 3000 Status Update (Long!)

Nick Coghlan ncoghlan at gmail.com
Thu Jun 21 15:45:20 CEST 2007


Gareth McCaughan wrote:
> That is: if you're writing code that expects sum() to do something
> sensible with lists of strings, you'll usually need it to do something
> sensible with *empty* lists of strings -- but that isn't possible,
> because there's only one empty list and it has to serve as the empty
> list of integers too.

That is indeed the reason for the explicit start value - sum() needs to 
know what to return when the supplied iterable is empty.

Cheers,
Nick.

-- 
Nick Coghlan   |   ncoghlan at gmail.com   |   Brisbane, Australia
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