a few tweaks based on proofreading of the first book

Author: mattneub

bk1ch05p254memoryManagement/bk1ch05p254memoryManagement/ViewController.swift

@@ -210,6 +210,7 @@ class ViewController: UIViewController {
                     [weak f] in
                     print(f)
                 }
+                f.function!() // proving that what's printed is Optional
             }
             testFunctionHolder() // farewell from FunctionHolder
         }
@@ -229,6 +230,7 @@ class ViewController: UIViewController {
                     guard let f = f else { return }
                     print(f)        // strong
                 }
+                f.function!() // proving that what's printed is non-Optional
             }
             testFunctionHolder() // farewell from FunctionHolder
         }

bk1ch10p428foundationClasses/bk1ch10p428foundationClasses/ViewController.swift

@@ -20,6 +20,15 @@ class ViewController: UIViewController {
                 print("it wasn't found")
             }
         }
+        
+        do {
+            let r = NSRange(1...3)
+            print(r)
+            let r2 = r.toRange()
+            print(r2)
+            // let r3 = Range(r)
+            // print(r3)
+        }
 
         do {
             let s = "hello"
@@ -133,6 +142,15 @@ class ViewController: UIViewController {
             _ = sum
         }
 
+        do {
+            // perhaps the first example is more convincing if we use a variable
+            let ud = NSUserDefaults.standardUserDefaults()
+            let i = 0
+            ud.setInteger(i, forKey: "Score")
+            ud.setObject(i, forKey: "Score")
+            
+        }
+        
         do {
             let ud = NSUserDefaults.standardUserDefaults()
             let c = UIColor.blueColor()

bk1ch14Appendix/Appendix/ViewController.swift

@@ -23,6 +23,11 @@ class MyClass {
     }
 }
 
+struct Pair {
+    let x : Int
+    let y : Int
+}
+
 
 class ViewController: UIViewController {
 
@@ -44,6 +49,12 @@ class ViewController: UIViewController {
     override func viewDidLoad() {
         super.viewDidLoad()
 
+        do {
+            // proving that Swift structs don't get the zeroing initializer
+            // let p = Pair()
+            let pp = CGPoint()
+        }
+        
         do {
 
             // conversion of String to C string

bk2ch06p253orientationsPermitted/ch19p590orientationsPermitted/ViewController.swift

@@ -11,7 +11,6 @@ class ViewController : UIViewController {
 
     override func supportedInterfaceOrientations() -> UIInterfaceOrientationMask {
 
-        // NB deprecated in iOS 9 - but why? there still needs to be a way to learn this
         print(UIApplication.sharedApplication().statusBarOrientation.rawValue)
 
         print(UIDevice.currentDevice().orientation.rawValue)

bk2ch06p253orientationsPermitted4/ch19p590orientationsPermitted/ViewController.swift

@@ -35,7 +35,6 @@ class ViewController : UIViewController {
             print("self \(self.interfaceOrientation.rawValue)")
             // but the above is deprecated in iOS 8
             print("status bar \(UIApplication.sharedApplication().statusBarOrientation.rawValue)")
-            // but the above is deprecated in iOS 9 - wrongly, in my opinion
         }
         // return super.supportedInterfaceOrientations()
         return .All // this includes upside down if info.plist includes it
@@ -50,7 +49,6 @@ class ViewController : UIViewController {
             print("self \(self.interfaceOrientation.rawValue)")
             // but the above is deprecated in iOS 8
             print("status bar \(UIApplication.sharedApplication().statusBarOrientation.rawValue)")
-            // but the above is deprecated in iOS 9 - wrongly, in my opinion
         }
         // return true
         return self.shouldRotate