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

Dave Abrahams dabrahams at apple.com
Tue Apr 5 17:17:33 CDT 2016


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?

-- 
Dave



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