[swift-evolution] SE-0105: Removing Where Clauses from For-In Loops

Jose Cheyo Jimenez cheyo at masters3d.com
Fri Jun 24 16:04:39 CDT 2016

> On Jun 24, 2016, at 11:30 AM, Xiaodi Wu via swift-evolution <swift-evolution at swift.org> wrote:
>> On Fri, Jun 24, 2016 at 6:37 AM, William Shipley <wjs at mac.com> wrote:
>>> On Jun 23, 2016, at 11:04 PM, Xiaodi Wu <xiaodi.wu at gmail.com> wrote:
>>> Not a practitioner of 80-character line limits, I take it?
>> I don’t understand why anyone wouldn’t just let Xcode do the wrapping for most cases. I’ll add newlines if I think it adds to clarity, but in general I don’t want to code like i’m still on a Wyse WY-50.
> Of course, to each their own style--I certainly wouldn't want Swift to force everyone to write lines of certain lengths.

The fact that you bring up a style in a proposal review [about a style imo] (and thus distracting the review process ) just reinforces the thinking that the proposal is about enforcing a particular style. 

I think you made your point clearly in the discussions and proposal. Please allow other people to have their own opinions in this review :), otherwise it is not a review imo. 

> But 80-character lines is a common style, and I would say that a corollary of "to each their own" is that Swift's grammar should be usable and useful whether or not you adhere to such style choices.
> If the chief advantage of `where` is that it (quoting someone above) allows one to "understand as much as possible about the control flow of the loop from a single line of code," then we ought perhaps to question its appropriateness when the majority of its benefits [by which I mean, based on your examples and Sean's, more than half of the instances in which it is used] cannot be realized in a very common coding style.
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