global

def yaml_load(input, *args)
  if YAML.respond_to?(:safe_load)
    begin
      YAML.safe_load(input, *args)
    rescue ArgumentError
      YAML.safe_load(input, permitted_classes: args[0], permitted_symbols: args[1], aliases: args[2])
    end
  else
    YAML.load(input)
  end
end