lib/image_optim/worker/jhead.rb in image_optim-0.26.3 vs lib/image_optim/worker/jhead.rb in image_optim-0.26.4

@@ -1,14 +1,16 @@
+# frozen_string_literal: true
+
 require 'image_optim/worker'
 require 'exifr/jpeg'
 
 class ImageOptim
   class Worker
     # http://www.sentex.net/~mwandel/jhead/
     #
     # Jhead internally uses jpegtran which should be on path
     class Jhead < Worker
-      ORIENTED = 2..8 # not top-left
+      ORIENTED = (2..8).freeze # not top-left
 
       # Works on jpegs
       def image_formats
         [:jpeg]
       end