docs: def render_to(filepath, context=None, output=None,
                at_encoding=anytemplate.compat.ENCODING, **options):
      """
      Render given template file and write the result string to given `output`.
      The result string will be printed to sys.stdout if output is None or '-'.
  
      :param filepath: Template file path
      :param context: A dict or dict-like object to instantiate given
          template file
      :param output: File path to write the rendered result string to or None/'-'
          to print it to stdout
      :param at_encoding: Template encoding
      :param options: Optional keyword arguments such as:
  
          - at_paths: Template search paths
          - at_engine: Specify the name of template engine to use explicitly or
            None to find it automatically anyhow.
          - at_cls_args: Arguments passed to instantiate template engine class
          - other keyword arguments passed to the template engine to render
            templates with specific features enabled.
      """
      res = render(filepath, context=context, **options)
      anytemplate.utils.write_to_output(res, output, at_encoding)