class ActionView::Template

def locals_code
  return "" if strict_locals?
  # Only locals with valid variable names get set directly. Others will
  # still be available in local_assigns.
  locals = @locals - Module::RUBY_RESERVED_KEYWORDS
  locals = locals.grep(/\A(?![A-Z0-9])(?:[[:alnum:]_]|[^\0-\177])+\z/)
  # Assign for the same variable is to suppress unused variable warning
  locals.each_with_object(+"") { |key, code| code << "#{key} = local_assigns[:#{key}]; #{key} = #{key};" }
end