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Extensions/NSObject+Swizzle.swift

@@ -0,0 +1,7 @@
+extension NSObject {
+    class func swizzle(origSelector: Selector, withSelector: Selector, forClass: AnyClass) {
+        let originalMethod = class_getInstanceMethod(forClass, origSelector)
+        let swizzledMethod = class_getInstanceMethod(forClass, withSelector)
+        method_exchangeImplementations(originalMethod!, swizzledMethod!)
+    }
+}