lib/dry/schema/macros/optional.rb in dry-schema-0.2.0 vs lib/dry/schema/macros/optional.rb in dry-schema-0.3.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 require 'dry/schema/macros/key'
 
 module Dry
   module Schema
     module Macros