From 9a060ea10c6028c81c024f39796f320d64267059 Mon Sep 17 00:00:00 2001
From: Krunoslav Zaher <krunoslav.zaher@gmail.com>
Date: Tue, 29 Dec 2015 17:32:35 +0100
Subject: [PATCH] Adds `Equatable` constraint to `rx_value<T>`.

---
 RxCocoa/iOS/UIControl+Rx.swift | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/RxCocoa/iOS/UIControl+Rx.swift b/RxCocoa/iOS/UIControl+Rx.swift
index 27e568ad..9f79d12a 100644
--- a/RxCocoa/iOS/UIControl+Rx.swift
+++ b/RxCocoa/iOS/UIControl+Rx.swift
@@ -67,7 +67,7 @@ extension UIControl {
         return rx_controlEvent(controlEvents)
     }
     
-    func rx_value<T>(getter getter: () -> T, setter: T -> Void) -> ControlProperty<T> {
+    func rx_value<T: Equatable>(getter getter: () -> T, setter: T -> Void) -> ControlProperty<T> {
         let source: Observable<T> = Observable.create { [weak self] observer in
             guard let control = self else {
                 observer.on(.Completed)
@@ -83,7 +83,9 @@ extension UIControl {
             return AnonymousDisposable {
                 controlTarget.dispose()
             }
-        }.takeUntil(rx_deallocated)
+        }
+            .distinctUntilChanged()
+            .takeUntil(rx_deallocated)
         
         return ControlProperty<T>(values: source, valueSink: AnyObserver { event in
             MainScheduler.ensureExecutingOnScheduler()