benchmark.rb in hot_module-1.0.0.alpha3 vs benchmark.rb in hot_module-1.0.0.alpha4

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 $LOAD_PATH.unshift File.expand_path("lib", __dir__)
 require "hot_module"
 
 require_relative "test/fixtures/classes"