Function rustfmt_nightly::expr::rewrite_tuple_in_visual_indent_style

fn rewrite_tuple_in_visual_indent_style<'a, T: 'a + IntoOverflowableItem<'a>>(
    context: &RewriteContext<'_>,
    items: impl Iterator<Item = &'a T>,
    span: Span,
    shape: Shape,
    is_singleton_tuple: bool,
) -> Option<String>