Adds missing subscript extension

coshx · Jun 19, 2015 · ed3f7cb · ed3f7cb
1 parent 9b3241a
commit ed3f7cb
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/caravel/utils/StringExtension.swift b/caravel/utils/StringExtension.swift
@@ -8,12 +8,16 @@
 
 import Foundation
 
-extension String {
+internal extension String {
     subscript (i: Int) -> Character {
         return self[advance(self.startIndex, i)]
     }
 
     subscript (i: Int) -> String {
         return String(self[i] as Character)
     }
-}
+
+    subscript (r: Range<Int>) -> String {
+        return substringWithRange(Range(start: advance(startIndex, r.startIndex), end: advance(startIndex, r.endIndex)))
+    }
+}