Function rewrite_with_parens

pub(crate) fn rewrite_with_parens<'a, T: 'a + IntoOverflowableItem<'a>>(
    context: &'a RewriteContext<'_>,
    ident: &'a str,
    items: impl Iterator<Item = &'a T>,
    shape: Shape,
    span: Span,
    item_max_width: usize,
    force_separator_tactic: Option<SeparatorTactic>,
) -> Result<String, RewriteError>