lib/capybara/screenshot/diff/os.rb in capybara-screenshot-diff-0.15.1 vs lib/capybara/screenshot/diff/os.rb in capybara-screenshot-diff-1.0.0

@@ -1,4 +1,6 @@
+# frozen_string_literal: true
+
 module Capybara
   module Screenshot
     module Os
       ON_WINDOWS = !!(RbConfig::CONFIG['host_os'] =~ /mswin|mingw|cygwin/)
       ON_MAC = !!(RbConfig::CONFIG['host_os'] =~ /darwin/)