lib/review/book/volume.rb in review-4.2.0 vs lib/review/book/volume.rb in review-5.0.0

@@ -20,10 +20,10 @@
         end
         new(b, c, l)
       end
 
       def self.sum(vols)
-        vols.inject(new) { |sum, i| sum + i }
+        vols.inject(new) { |sum, i| sum + i } # rubocop:disable Performance/Sum
       end
 
       def self.dummy
         new(-1, -1, -1)
       end