staticプロパティをインスタンスプロパティに変更

[kcd/KCD.git] / KCD / IgnoreZeroTransformer.swift

diff --git a/KCD/IgnoreZeroTransformer.swift b/KCD/IgnoreZeroTransformer.swift
index 455d701..634e41e 100644 (file)
--- a/KCD/IgnoreZeroTransformer.swift
+++ b/KCD/IgnoreZeroTransformer.swift
@@ -8,12 +8,20 @@
 
 import Cocoa
 
-class IgnoreZeroTransformer: ValueTransformer {
+final class IgnoreZeroTransformer: ValueTransformer {
+    
     override class func transformedValueClass() -> AnyClass {
+        
         return NSNumber.self
     }
+    
     override func transformedValue(_ value: Any?) -> Any? {
-        guard let v = value as? Int, v != 0 else { return nil }
+        
+        guard let v = value as? Int, v != 0 else {
+            
+            return nil
+        }
+        
         return v
     }
 }