On Fri, Jun 24, 2016 at 1:56 PM, Sean Heber <[email protected]> wrote:
> > On Jun 24, 2016, at 1:30 PM, Xiaodi Wu via swift-evolution < > [email protected]> wrote: > > > > On Fri, Jun 24, 2016 at 6:37 AM, William Shipley <[email protected]> wrote: > > On Jun 23, 2016, at 11:04 PM, Xiaodi Wu <[email protected]> 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. 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. > > I honestly don’t believe that this a common style in the Cocoa community. We're talking about the Swift community here, and Swift stdlib would be a good starting point as to what is a common or at least accepted style; it uses 80-character lines. > I’m not a member of the “old guard” having only come into this world 10 > years ago with the iPhone, but just take a look at this delegate method in > Objective-C: > > - (void)locationManager:(CLLocationManager *)manager > rangingBeaconsDidFailForRegion:(CLBeaconRegion *)region withError:(NSError > *)error; > > That’s well over 80 characters all by itself. This fits on my screen in a > single line - and I work on a 15” MBP with room for my dock always visible > on the side along with Xcode’s sidebar open! On a typical desktop-sized > screen, 80-col lines must be comically short. > > I don’t know why it should be assumed that people are adhering to a > so-called standard that dates back to terminal screens that didn’t have > color. > > > > 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. > > Again, I dispute the idea (having no data but my own :P) that 80-col > limits are common in this community. > > l8r > Sean > >
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