lib/ffi-tk/command/bell.rb in ffi-tk-2010.08.23 vs lib/ffi-tk/command/bell.rb in ffi-tk-2018.02.20

@@ -1,5 +1,6 @@
+# frozen_string_literal: true
 module Tk
   module Bell
     # This command rings the bell on the display for window and returns an empty
     # string.
     # If the :displayof option is omitted, the display of the application's main
@@ -29,6 +30,6 @@
     def bell(options = {})
       options[:displayof] ||= tk_pathname
       Bell.bell(options)
     end
   end
-end
\ No newline at end of file
+end