updated associated objects

Sources/iOS/BottomTabBar.swift

@@ -276,12 +276,12 @@ public extension UITabBar {
 	/// TabBarItem reference.
 	public internal(set) var item: MaterialAssociatedObjectTabBar {
 		get {
-			return MaterialAssociatedObject(self, key: &MaterialAssociatedObjectTabBarKey) {
+			return associatedObject(self, key: &MaterialAssociatedObjectTabBarKey) {
 				return MaterialAssociatedObjectTabBar(depth: .None)
 			}
 		}
 		set(value) {
-			MaterialAssociateObject(self, key: &MaterialAssociatedObjectTabBarKey, value: value)
+			associateObject(self, key: &MaterialAssociatedObjectTabBarKey, value: value)
 		}
 	}
 	

Sources/iOS/Grid.swift

@@ -244,12 +244,12 @@ public extension UIView {
 	/// Grid reference.
 	public private(set) var grid: Grid {
 		get {
-			return MaterialAssociatedObject(self, key: &GridKey) {
+			return associatedObject(self, key: &GridKey) {
 				return Grid()
 			}
 		}
 		set(value) {
-			MaterialAssociateObject(self, key: &GridKey, value: value)
+			associateObject(self, key: &GridKey, value: value)
 		}
 	}
 }
\ No newline at end of file

Sources/iOS/Layout.swift

@@ -908,12 +908,12 @@ public extension UIView {
 	/// Layout reference.
 	public private(set) var layout: Layout {
 		get {
-			return MaterialAssociatedObject(self, key: &LayoutKey) {
+			return associatedObject(self, key: &LayoutKey) {
 				return Layout(parent: self)
 			}
 		}
 		set(value) {
-			MaterialAssociateObject(self, key: &LayoutKey, value: value)
+			associateObject(self, key: &LayoutKey, value: value)
 		}
 	}
     

Sources/iOS/Material+Obj-C.swift

@@ -29,29 +29,29 @@
 */
 
 /**
-Gets the Obj-C reference for the Grid object within the UIView extension.
-- Parameter base: Base object.
-- Parameter key: Memory key pointer.
-- Parameter initializer: Object initializer.
-- Returns: The associated reference for the initializer object.
-*/
-public func MaterialAssociatedObject<T: AnyObject>(base: AnyObject, key: UnsafePointer<UInt8>, initializer: () -> T) -> T {
-	if let v: T = objc_getAssociatedObject(base, key) as? T {
-		return v
-	}
-	
-	let v: T = initializer()
-	objc_setAssociatedObject(base, key, v, .OBJC_ASSOCIATION_RETAIN)
-	return v
+ Gets the Obj-C reference for the instance object within the UIView extension.
+ - Parameter base: Base object.
+ - Parameter key: Memory key pointer.
+ - Parameter initializer: Object initializer.
+ - Returns: The associated reference for the initializer object.
+ */
+internal func associatedObject<T: AnyObject>(base: AnyObject, key: UnsafePointer<UInt8>, initializer: () -> T) -> T {
+    if let v: T = objc_getAssociatedObject(base, key) as? T {
+        return v
+    }
+    
+    let v: T = initializer()
+    objc_setAssociatedObject(base, key, v, .OBJC_ASSOCIATION_RETAIN)
+    return v
 }
 
 /**
-Sets the Obj-C reference for the Grid object within the UIView extension.
-- Parameter base: Base object.
-- Parameter key: Memory key pointer.
-- Parameter value: The object instance to set for the associated object.
-- Returns: The associated reference for the initializer object.
-*/
-public func MaterialAssociateObject<T: AnyObject>(base: AnyObject, key: UnsafePointer<UInt8>, value: T) {
-	objc_setAssociatedObject(base, key, value, .OBJC_ASSOCIATION_RETAIN)
+ Sets the Obj-C reference for the instance object within the UIView extension.
+ - Parameter base: Base object.
+ - Parameter key: Memory key pointer.
+ - Parameter value: The object instance to set for the associated object.
+ - Returns: The associated reference for the initializer object.
+ */
+internal func associateObject<T: AnyObject>(base: AnyObject, key: UnsafePointer<UInt8>, value: T) {
+    objc_setAssociatedObject(base, key, value, .OBJC_ASSOCIATION_RETAIN)
 }
\ No newline at end of file

Sources/iOS/NavigationItem.swift

@@ -83,12 +83,12 @@ public extension UINavigationItem {
 	/// NavigationItem reference.
 	public internal(set) var item: MaterialAssociatedObjectNavigationItem {
 		get {
-			return MaterialAssociatedObject(self, key: &MaterialAssociatedObjectNavigationItemKey) {
+			return associatedObject(self, key: &MaterialAssociatedObjectNavigationItemKey) {
 				return MaterialAssociatedObjectNavigationItem()
 			}
 		}
 		set(value) {
-			MaterialAssociateObject(self, key: &MaterialAssociatedObjectNavigationItemKey, value: value)
+			associateObject(self, key: &MaterialAssociatedObjectNavigationItemKey, value: value)
 		}
 	}