From 43c0b952ec137287297e5159861c19a85fdd6e52 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Je=CC=81ro=CC=82me=20Alves?= <j.alves@me.com>
Date: Tue, 16 Aug 2016 10:47:26 +0200
Subject: [PATCH] Remove `AnyObject` constraint and add a new protocol
 `ReactiveCompatible` to mark types which should be extended with the `rx`
 var.

---
 RxCocoa/Common/Reactive.swift | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/RxCocoa/Common/Reactive.swift b/RxCocoa/Common/Reactive.swift
index b803379c..f6661fd2 100644
--- a/RxCocoa/Common/Reactive.swift
+++ b/RxCocoa/Common/Reactive.swift
@@ -22,7 +22,7 @@
 
  */
 
-public struct Reactive<Base: AnyObject> {
+public struct Reactive<Base> {
     public let base: Base
 
     public init(_ base: Base) {
@@ -30,11 +30,18 @@ public struct Reactive<Base: AnyObject> {
     }
 }
 
-/**
- Extend NSObject with `rx` proxy.
-*/
-public extension NSObjectProtocol {
+public protocol ReactiveCompatible {
+    associatedtype CompatibleType
+    var rx: Reactive<CompatibleType> { get }
+}
+
+public extension ReactiveCompatible {
     public var rx: Reactive<Self> {
         return Reactive(self)
     }
 }
+
+/**
+ Extend NSObject with `rx` proxy.
+*/
+extension NSObject: ReactiveCompatible { }