[swift-evolution] Feature proposal: Range operator with step

[Erica Sadun]

> On Apr 5, 2016, at 4:17 PM, Dave Abrahams via swift-evolution <swift-evolution at swift.org> wrote:
> 
> 
> on Tue Apr 05 2016, Erica Sadun <swift-evolution at swift.org> wrote:
> 
>>    On Apr 5, 2016, at 1:54 PM, Dave Abrahams
>>    <dabrahams at apple.com> wrote:
>>    IMO this:
>> 
>>    (-9...0).reverse()
>> 
>>    is better than 
>> 
>>    stride(from: 0, to: -10, by: -1)
>> 
>>    What do you think?
>> 
>> The latter better reflects an author's actual intent. The former depends on
>> implementation details, which can be hazy, especially, around the edge cases. It
>> is quicker to read, understand, and verify that the latter is what is
>> meant.
> 
> Except that there seems to be some confusion over what "to:" means, right?


obviously (0..<-10).by(-2) would be best.

-- E