Simplified parent access

2022-12-07 09:28:35 +01:00 · 2022-12-07 09:28:35 +01:00 · e1ebbedc27
commit e1ebbedc27
parent 7a1141f5ee
1 changed files with 1 additions and 1 deletions
--- a/src/day07/mod.rs
+++ b/src/day07/mod.rs
@ -18,7 +18,7 @@ pub fn run() {
    for line in read("07").lines().skip(1) {
        if line.starts_with("$ cd") {
            current_directory = match line.split_once("cd ").unwrap().1 {
-                dirname if ".." == dirname => current_directory.ancestors(arena).nth(1).unwrap(),
+                dirname if ".." == dirname => arena.get(current_directory).unwrap().parent().unwrap(),
                dirname => current_directory
                    .children(arena)
                    .find(|c|arena.get(*c).unwrap().get().name == dirname)