fn parse_tf_attribute<S: Stage>(
cx: &mut AcceptContext<'_, '_, S>,
args: &ArgParser,
) -> impl IntoIterator<Item = (Symbol, Span)>fn parse_tf_attribute<S: Stage>(
cx: &mut AcceptContext<'_, '_, S>,
args: &ArgParser,
) -> impl IntoIterator<Item = (Symbol, Span)>