lib/reek/ast/sexp_extensions/if.rb in reek-3.11 vs lib/reek/ast/sexp_extensions/if.rb in reek-4.0.0.pre1

@@ -1,4 +1,5 @@
+# frozen_string_literal: true
 module Reek
   module AST
     module SexpExtensions
       # Utility methods for :if nodes.
       module IfNode