example/example.rb in strong_json-0.8.0 vs example/example.rb in strong_json-0.9.0

@@ -1,10 +1,10 @@
 Schema = _ = StrongJSON.new do
   # @type self: AddressSchema
 
   let :address, object(address: string, country: symbol?)
   let :email, object(email: string)
-  let :contact, enum(address, email)
+  let :contact, enum?(address, email)
   let :person, object(name: string, contacts: array(contact))
 end
 
 person = Schema.person.coerce(nil)