Change cd .. to use parent method

2022-12-07 13:19:50 -06:00 · 2022-12-07 13:19:50 -06:00 · 453590c541
commit 453590c541
parent 6f9ee71a9b
1 changed files with 1 additions and 6 deletions
--- a/src/day07.rs
+++ b/src/day07.rs
@ -113,12 +113,7 @@ fn compute_dir_sizes(input: &[CliOperation]) -> Tree<(usize, usize)> {
        match op {
            CliOperation::Cd(dir) => {
                if dir == ".." {
-                    current_node = tree
-                        .ancestor_ids(&current_node)
-                        .unwrap()
-                        .next()
-                        .unwrap()
-                        .clone();
+                    current_node = tree.get(&current_node).unwrap().parent().unwrap().clone();
                } else {
                    current_node = tree
                        .insert(Node::new((0, 0)), InsertBehavior::UnderNode(&current_node))