more minor, shorter

Author: mattneub

bk2ch06p275tabbedInterface/ch19p611tabbedInterface/AppDelegate.swift

@@ -15,7 +15,9 @@ class AppDelegate : UIResponder, UIApplicationDelegate {
             ],
             forState:.Normal)
 
-        // println((UIFont.familyNames() as [String]).map{UIFont.fontNamesForFamilyName($0)})
+//        UIFont.familyNames()
+//            .map{UIFont.fontNamesForFamilyName($0 as String)}.map(println)
+
 
         let ding = UIFont(name:"ZapfDingbatsITC", size:40)!
         UIGraphicsBeginImageContextWithOptions(CGSizeMake(100,40), false, 0)

bk2ch08p438searchableTable3/ch21p718sections/RootViewController.swift

@@ -154,21 +154,13 @@ extension RootViewController : UISearchResultsUpdating {
         }
         // we have a target string
         self.sectionData = self.originalSectionData.map {
-            (sec:[String]) -> [String] in
-            let newsec = sec.filter {
-                s in
+            $0.filter {
                 let options = NSStringCompareOptions.CaseInsensitiveSearch
-                let found = s.rangeOfString(target, options: options)
+                let found = $0.rangeOfString(target, options: options)
                 return (found != nil)
             }
-            return newsec
-            }.filter {$0.count > 0} // is Swift cool or what?
-        self.sectionNames = self.sectionData.map {
-            (sec:[String]) -> String in
-            //return (sec[0] as NSString).substringWithRange(NSMakeRange(0,1))
-            //I don't know, it's either that or this:
-            return String(Array(sec[0])[0])
-        }
+        }.filter {$0.count > 0} // is Swift cool or what?
+        self.sectionNames = self.sectionData.map {prefix($0[0],1)}
         self.tableView.reloadData()
     }
 }

bk2ch10p495dynamicType/ch23p670font1dynamicType/ViewController.swift

@@ -15,8 +15,8 @@ class ViewController : UIViewController {
         super.viewDidLoad()
         NSNotificationCenter.defaultCenter().addObserver(self, selector: "doDynamicType:", name: UIContentSizeCategoryDidChangeNotification, object: nil)
 
-        // println((UIFont.familyNames() as [String])
-        //    .map{UIFont.fontNamesForFamilyName($0)})
+//        UIFont.familyNames()
+//            .map{UIFont.fontNamesForFamilyName($0 as String)}.map(println)
 
     }
 

bk2ch12p566customThermometer/ch25p840customThermometer/ViewController.swift

@@ -60,7 +60,7 @@ class ViewController: UIViewController {
         UIGraphicsEndImageContext()
         // self.prog2.progressImage = im
         // hacky workaround
-        let ims = self.prog2.subviews.filter {$0 is UIImageView}.map {$0 as UIImageView}
+        let ims = self.prog2.subviews.filter {$0 is UIImageView} as [UIImageView]
         ims[1].image = im
 
         // but this code, which worked fine for years including iOS 7.0, was broken by iOS 7.1