And from the WWDC Platforms SOTU: "Swift is super simple and approachable.... It's great as a first language. And in fact, we think this is so important that when we designed Swift this was an explicit design goal."
I would be absolutely against adding any more sugar to the for loop. In that sense, `where` sets a terrible example that certain features of sequences deserve contextual sugar. (And before someone points it out again, I've already argued why `for...in` holds its own weight, namely difficulty of writing a correct `while` replacement and progressive disclosure to the learner so that the concept of iterators can be learned afterwards.) In short, I would very much be opposed to adding keywords "for fun." On Tue, Jun 14, 2016 at 11:18 AM Vladimir.S via swift-evolution < swift-evolution@swift.org> wrote: > FWIW I don't think we need all "4", just like we don't need `unless` as a > pair to current `if` or `until` as a pair for current `while` loop. > > I.e. we have "continue" with current `where`, and you can use boolean > inversion `!`. As for "break"(while) - my opinion the for-in loop will be > more powerful and adds fun for coding (from wwdc keynote - "Swift is a > powerful language.. writing Swift code is *fun*..." my opinion: using > guard-continue or guard-break is *not* fun ). > > So in your words, it is better add *one* then remove *one*. > > The only question I'm not sure about if we should keep 'where' and 'while' > keywords for these features, or rename them. For me it's OK to have 'where' > and 'while' but probably I'll support another more clear keywords. > > On 14.06.2016 18:01, Erica Sadun via swift-evolution wrote: > > > >> On Jun 14, 2016, at 7:50 AM, plx via swift-evolution < > swift-evolution@swift.org> wrote: > >> For those particular keywords, I’d prefer having them (or equivalents). > I’m not sure if I’d prefer having *all* of them—`where/unless` and > `while/until`—or just one from each “pair”…I could go either way. > > > > In the proposal, my recommendations for including all 4 are: > > > > break: while / until > > continue: if (formerly `where`) / unless > > > > As the thread has had sufficient redundancy, I'll refrain from making my > case again for why I think it's better to remove the one than add the three. > > > > -- E > > > > > > _______________________________________________ > > swift-evolution mailing list > > swift-evolution@swift.org > > https://lists.swift.org/mailman/listinfo/swift-evolution > > > _______________________________________________ > swift-evolution mailing list > swift-evolution@swift.org > https://lists.swift.org/mailman/listinfo/swift-evolution >
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