[Python-ideas] Fast sum() for non-numbers

[Ron Adam]

On 07/06/2013 09:35 PM, Joshua Landau wrote:
>> >Now consider that in some companies, programmers are required to take great
>> >care to be sure that the routines that they write can't do the wrong thing
>> >with lots of testing to back that up.

> So why are they using a duck-typed language? It would imply that they
> would never be allowed to use operators, call functions they are given
> or... do anything. It seems hard to work like that.

That is the other extreme, sometime you want both.

Cheers,
    Ron