> On Apr 6, 2016, at 11:20 AM, Stephen Canon via swift-evolution
> <swift-evolution@swift.org> wrote:
>
>> On Apr 6, 2016, at 11:16 AM, Dave Abrahams via swift-evolution
>> <swift-evolution@swift.org <mailto:swift-evolution@swift.org>> wrote:
>>
>> One question that I *do* think we should answer, is whether the elements
>> of
>>
>> (0..<199).striding(by: -2)
>>
>> are even or odd.
>
> Odd. I don’t believe that many real use cases care, but odd is more
> efficient from a performance perspective. Needs to be documented clearly,
> however.
Sorry, I was thinking of (0…199).striding(by: -2).
For the (0..<199) case, Erica’s assessment seems about right, though it isn’t
at all obvious how it generalizes to floating point strides.
– Steve
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