string.rb in split-1.4.0

- old
+ new

@@ -1,5 +1,6 @@
+# frozen_string_literal: true
 class String
   # Constatntize is often provided by ActiveSupport, but ActiveSupport is not a dependency of Split.
   unless method_defined?(:constantize)
     def constantize
       names = self.split('::')
@@ -10,6 +11,6 @@
         constant = constant.const_defined?(name) ? constant.const_get(name) : constant.const_missing(name)
       end
       constant
     end
   end
-end
\ No newline at end of file
+end