[Python-ideas] Break the dominance of boolean values in boolean context
Steven D'Aprano
steve at pearwood.info
Fri Sep 16 05:57:55 CEST 2011
Greg Ewing wrote:
> On 15/09/11 11:25, MRAB wrote:
>
>> Could it also have something like a 'key' argument, by default
>> __bool__?
>
> Or more generally, a function.
>
> Although that's not strictly necessary. If there were a first()
> function that simply returned the first item from an iterator,
> whether true or not, one could write
>
> first(itertools.ifilter(func, something))
Surely the way to return the first item from an iterator, whether true
or not, is next(iterator)?
--
Steven
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