nicer formatting, for book

Author: mattneub

bk2ch10p526textFieldDelegate/ch23p810textFieldDelegate/MyTextField.swift

@@ -53,13 +53,12 @@ class MyTextField: UITextField {
     override func copy(_ sender:Any?) {
         super.copy(sender)
         let pb = UIPasteboard.general
-        if var s = pb.string {
+        if let s = pb.string {
             // ... alter s here ...
-            // s = s + "surprise!"
-            pb.string = s
+            let ss = s + "surprise!"
+            pb.string = ss
 
-            s = pb.string! // shut the compiler up
-            print("copied", s)
+            print("pasteboard contains", pb.string as Any)
         }
     }
 }

bk2ch22p773location/ch35p1032location/ViewController.swift

@@ -5,7 +5,7 @@ import CoreLocation
 class ManagerHolder {
     let locman = CLLocationManager()
     var doThisWhenAuthorized : (() -> ())?
-    func checkForLocationAccess(always:Bool = false, andThen f: (()->())? = nil) {
+    func checkForLocationAccess(always: Bool=false, andThen f: (()->())?=nil) {
         // no services? fail but try get alert
         guard CLLocationManager.locationServicesEnabled() else {
             print("no location services")