From 1570dc70c5c4a6a8f9d22aba04312d5ac3e736bd Mon Sep 17 00:00:00 2001
From: tarunon <croissant9603@gmail.com>
Date: Sat, 26 Mar 2016 00:26:24 +0900
Subject: [PATCH] adding drive to variable operator to Driver

---
 .../CocoaUnits/Driver/Driver+Subscription.swift     | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/RxCocoa/Common/CocoaUnits/Driver/Driver+Subscription.swift b/RxCocoa/Common/CocoaUnits/Driver/Driver+Subscription.swift
index 17bbb332..d56f8cb3 100644
--- a/RxCocoa/Common/CocoaUnits/Driver/Driver+Subscription.swift
+++ b/RxCocoa/Common/CocoaUnits/Driver/Driver+Subscription.swift
@@ -26,6 +26,19 @@ extension DriverConvertibleType {
         return self.asObservable().subscribe(observer)
     }
 
+    /**
+    Creates new subscription and sends elements to variable.
+
+    - parameter variable: Target variable for sequence elements.
+    - returns: Disposable object that can be used to unsubscribe the observer from the variable.
+    */
+    @warn_unused_result(message="http://git.io/rxs.ud")
+    public func drive(variable: Variable<E>) -> Disposable {
+        return drive(onNext: { e in
+            variable.value = e
+        })
+    }
+
     /**
     Subscribes to observable sequence using custom binder function.