Handle effective range when no attributes found at location

eyeplum · eyeplum · commit 864d2bbfc529 · 2016-04-19T16:42:25.000+08:00
diff --git a/Foundation/NSAttributedString.swift b/Foundation/NSAttributedString.swift
@@ -64,8 +64,9 @@ public class NSAttributedString : NSObject, NSCopying, NSMutableCopying, NSSecur
             }
             
             // Update effective range
-            range.pointee.location = rangePointer.pointee.location
-            range.pointee.length = rangePointer.pointee.length
+            let hasAttrs = results.count > 0
+            range.pointee.location = hasAttrs ? rangePointer.pointee.location : NSNotFound
+            range.pointee.length = hasAttrs ? rangePointer.pointee.length : 0
             
             return results
         }

Original file line number	Diff line number	Diff line change
`@@ -64,8 +64,9 @@ public class NSAttributedString : NSObject, NSCopying, NSMutableCopying, NSSecur`
`64`	`64`	`}`
`65`	`65`
`66`	`66`	`// Update effective range`
`67`		`- range.pointee.location = rangePointer.pointee.location`
`68`		`- range.pointee.length = rangePointer.pointee.length`
	`67`	`+ let hasAttrs = results.count > 0`
	`68`	`+ range.pointee.location = hasAttrs ? rangePointer.pointee.location : NSNotFound`
	`69`	`+ range.pointee.length = hasAttrs ? rangePointer.pointee.length : 0`
`69`	`70`
`70`	`71`	`return results`
`71`	`72`	`}`