Avoid non-nil checks in examples

yous · yous · commit d89aa5ac795f · 2014-07-25T06:48:42.000+09:00
diff --git a/README.md b/README.md
@@ -2649,7 +2649,7 @@ Translations of the guide are available in the following languages:
   rescue
     # .. handle error
   ensure
-    f.close unless f.nil?
+    f.close if f
   end
   ```
 
