What did you use before `where` existed? On Mon, Jun 13, 2016 at 1:29 AM Charlie Monroe via swift-evolution < [email protected]> wrote:
> And to follow-up to myself once again, I went to my "Cool 3rd Party Swift > Repos" folder and did the same search. Among the 15 repos in that folder, a > joint search returned about 650 hits on for-in (again with some false > positives) and not a single for-in-while use. > > -- E > > > Not to undermine this fact, but I believe the fact that `where` can be > used in a for loop is not widely known. I didn't know about it until about > a month ago (haven't really read much docs, but most people don't either). > > But after I found out about it, I started using it and it IMHO improved > readability of my code. Not by much, but it's the little things that make > you smile, right? > > Many people here argument that `where` is a Swift speciality and needs to > be learned by the developer - the alternative is to teach the person what's > the proper alternative - that using .filter can have performance impact and > that the *correct* way is to use guard within the for loop. And that's IMHO > much worse than teaching a person about using `where` within a for loop. > > _______________________________________________ > swift-evolution mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-evolution > > _______________________________________________ > swift-evolution mailing list > [email protected] > https://lists.swift.org/mailman/listinfo/swift-evolution >
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