fn expand_tuple_rest_pattern(
acc: &mut Assists,
ctx: &AssistContext<'_, '_>,
pat: TuplePat,
rest_pat: RestPat,
) -> Option<()>fn expand_tuple_rest_pattern(
acc: &mut Assists,
ctx: &AssistContext<'_, '_>,
pat: TuplePat,
rest_pat: RestPat,
) -> Option<()>