Added array to SPCopying.

Author: ivanvorobei

Example Apps/SparrowKit.xcodeproj/project.xcworkspace/xcuserdata/ivanvorobei.xcuserdatad/UserInterfaceState.xcuserstate

@@ -21,14 +21,30 @@
 
 import Foundation
 
+/**
+ SparrowKit: Custom protocol for make copy of objects.
+ */
 public protocol SPCopying {
 
     init(instance: Self)
 }
 
 extension SPCopying {
 
+    /**
+     SparrowKit: Make copy of object.
+     */
     public func copyObject() -> Self {
         return Self.init(instance: self)
     }
 }
+
+extension Array where Element: SPCopying {
+    
+    /**
+     SparrowKit: Make copy of array objects.
+     */
+    public func copy() -> [Element] {
+        return self.map { $0.copyObject() }
+    }
+}