Change combineLatest -> Observable.combineLatest

Author: nanoxd

Action.swift

@@ -56,7 +56,7 @@ public final class Action<Input, Element> {
         }
         self.workFactory = workFactory
 
-        combineLatest(self._enabledIf, self.executing) { (enabled, executing) -> Bool in
+        Observable.combineLatest(self._enabledIf, self.executing) { (enabled, executing) -> Bool in
             return enabled && !executing
         }.bindTo(_enabled).addDisposableTo(disposeBag)
     }

Demo/Demo/ViewController.swift

@@ -51,7 +51,7 @@ class ViewController: UIViewController {
 
         // Demo: observe the output of both actions, spin an activity indicator
         // while performing the work
-        combineLatest(
+        Observable.combineLatest(
             button.rx_action!.executing,
             self.navigationItem.rightBarButtonItem!.rx_action!.executing) {
                 // we combine two boolean observable and output one boolean