lib/formtastic/inputs/hidden_input.rb in formtastic-4.0.0 vs lib/formtastic/inputs/hidden_input.rb in formtastic-5.0.0

@@ -1,5 +1,6 @@
+# frozen_string_literal: true
 module Formtastic
   module Inputs
 
     # Outputs a simple `<input type="hidden">` wrapped in the standard `<li>` wrapper. This is
     # provided for situations where a hidden field needs to be rendered in the flow of a form with
@@ -40,18 +41,18 @@
           builder.hidden_field(method, input_html_options)
         end
       end
       
       def error_html
-        ""
+        +""
       end
       
       def errors?
         false
       end
       
       def hint_html
-        ""
+        +""
       end
       
       def hint?
         false
       end