Function entry_required_list 

pub fn entry_required_list<'a>(
    entries: &'a [(Expr, Expr)],
    name: &str,
    expected: &'static str,
) -> Result<&'a [Expr]>

Borrow a required list-valued field’s items (Expr::List) from an entry slice by bare-symbol key. Bare-symbol counterpart of the list_field forks.