lib/rouge/lexers/prometheus.rb in rouge-3.2.1 vs lib/rouge/lexers/prometheus.rb in rouge-3.3.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 module Rouge
   module Lexers
     class Prometheus < RegexLexer
       desc 'prometheus'
       tag 'prometheus'