On Jun 29, 2015, at 5:53 PM, Rick Mann <rm...@latencyzero.com> wrote: > >> If you are using Swift 2.0, you can use the new `guard let` to get optional >> checking without the cascade of indentation. >> guard let url = NSURL(string: "<some url>") >> else { /* handle failure and either halt or return */ } >> // URL is now in scope and non-optional. >> let req = NSURLRequest(URL: url) > > I am, but this may not work as well if there are additional steps after this > one that should run anyway. Can I enclose the bit in braces to limit the > scope of the break? Probably not, huh? e.g.: > > { > guard let url = ... else { break } > <use url> > } > > { > ...other init... > }
Look into the “defer” keyword. Charles _______________________________________________ Cocoa-dev mailing list (Cocoa-dev@lists.apple.com) Please do not post admin requests or moderator comments to the list. Contact the moderators at cocoa-dev-admins(at)lists.apple.com Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/cocoa-dev/archive%40mail-archive.com This email sent to arch...@mail-archive.com