sum for sequences?
neilc at norwich.edu
Thu Mar 25 13:37:14 CET 2010
On 2010-03-25, Steven D'Aprano <steven at REMOVE.THIS.cybersource.com.au> wrote:
>> You might not want to be so glib. The sum doc sure doesn't
>> sound like it should work on lists.
>> Returns the sum of a sequence of numbers (NOT strings) plus the
>> value of parameter 'start' (which defaults to 0).
> What part of that suggested to you that sum might not be polymorphic?
> Sure, it says numbers (which should be changed, in my opinion), but it
> doesn't specify what sort of numbers -- ints, floats, or custom types
> that have an __add__ method.
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without walls in a world full of zombies." --Greedy Goblin
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