Clean up implementation

Adlai-Holler · Adlai-Holler · commit 7d3aa28e0238 · 2015-12-04T01:24:38.000-08:00
diff --git a/Foundation/NSArray.swift b/Foundation/NSArray.swift
@@ -180,13 +180,11 @@ public class NSArray : NSObject, NSCopying, NSMutableCopying, NSSecureCoding, NS
         objects.reserveCapacity(objects.count + range.length)
 
         if self.dynamicType === NSArray.self || self.dynamicType === NSMutableArray.self {
-            objects.insertContentsOf(_storage[range.toRange()!], at: 0)
+            objects += _storage[range.toRange()!]
             return
         }
 
-        for idx in 0..<range.length {
-            objects.insert(self[range.location + idx], atIndex: idx)
-        }
+        objects += range.toRange()!.map { self[$0] }
     }
     
     public func indexOfObject(anObject: AnyObject) -> Int {

Original file line number	Diff line number	Diff line change
`@@ -180,13 +180,11 @@ public class NSArray : NSObject, NSCopying, NSMutableCopying, NSSecureCoding, NS`
`180`	`180`	`objects.reserveCapacity(objects.count + range.length)`
`181`	`181`
`182`	`182`	`if self.dynamicType === NSArray.self \|\| self.dynamicType === NSMutableArray.self {`
`183`		`- objects.insertContentsOf(_storage[range.toRange()!], at: 0)`
	`183`	`+ objects += _storage[range.toRange()!]`
`184`	`184`	`return`
`185`	`185`	`}`
`186`	`186`
`187`		`- for idx in 0..<range.length {`
`188`		`- objects.insert(self[range.location + idx], atIndex: idx)`
`189`		`- }`
	`187`	`+ objects += range.toRange()!.map { self[$0] }`
`190`	`188`	`}`
`191`	`189`
`192`	`190`	`public func indexOfObject(anObject: AnyObject) -> Int {`