Updated logout example (#755)

* Updated Swift usage

Updated Swift usage based on
parse-community/Parse-SDK-iOS-OSX#1311

* Update cloud-code.md

* Added Example on how to abort Hooks and functions

Added Example on how to abort Hooks and functions

Source: https://github.com/parse-community/parse-server/blob/master/3.0.0.md

* Revert "Added Example on how to abort Hooks and functions"

This reverts commit 3350d09.

* Added Example on how to abort Hooks and functions

Added Example on how to abort Hooks and functions

Source: https://github.com/parse-community/parse-server/blob/master/3.0.0.md

* Revert "Added Example on how to abort Hooks and functions"

This reverts commit 3350d09.

* Update Swift login snippet to work with current version of Swift

Update to change

1.  NSError to Error when logging in
2. use updated function name

* Updated currentUser() to current()

Updated currentUser() to current() when checking for currentuser

* Update login / logout

Update to swift and ObjC login section to change

currentUser() to current()

* Revert "Update login / logout"

This reverts commit 3299b67.

* updated for latest version of Parse.

updated for latest version of Parse.

Co-authored-by: Jayson Ng <[email protected]>

Author: jaysonng

_includes/ios/handling-errors.md

@@ -58,10 +58,10 @@ func callbackForGet(result: PFObject?, error: NSError?) -> Void {
         print("Everything went fine!")
     } else {
         if let error = error {
-            if error.code == PFErrorCode.ErrorObjectNotFound.rawValue {
+            if error._code == PFErrorCode.errorObjectNotFound.rawValue {
                 print("Uh oh, we couldn't find the object!")
             } else {
-                let errorString = error.userInfo!["error"] as? NSString
+                let errorString = error._userInfo!["error"] as? NSString
                 print("Error: \(errorString)")
             }
         }
@@ -95,13 +95,13 @@ func callbackForGet(result: PFObject?, error: NSError?) -> Void {
         print("Everything went fine!")
     } else {
         if let error = error {
-            if error.code == PFErrorCode.ErrorObjectNotFound.rawValue {
+            if error._code == PFErrorCode.errorObjectNotFound.rawValue {
                 print("Uh oh, we couldn't find the object!")
                 // Now also check for connection errors:
-            } else if error.code == PFErrorCode.ErrorConnectionFailed.rawValue {
+            } else if error._code == PFErrorCode.errorConnectionFailed.rawValue {
                 print("Uh oh, we couldn't even connect to the Parse Cloud!")
             } else {
-                let errorString = error.userInfo!["error"] as? NSString
+                let errorString = error._userInfo!["error"] as? NSString
                 print("Error: \(errorString)")
             }
         }

_includes/ios/users.md

@@ -143,7 +143,7 @@ PFUser *currentUser = [PFUser currentUser]; // this will now be nil
 ```
 ```swift
 PFUser.logOut()
-var currentUser = PFUser.currentUser() // this will now be nil
+var currentUser = PFUser.current() // this will now be nil
 ```
 </div>