lib/grape/formatter/serializable_hash.rb in grape-1.2.5 vs lib/grape/formatter/serializable_hash.rb in grape-1.3.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 module Grape
   module Formatter
     module SerializableHash
       class << self
         def call(object, _env)