Day 5 completed, finally haha

src/main.rs

@@ -38,4 +38,9 @@ fn main() {
         let max_part1 = prob5::solve_part1(file_path);
         println!("Solution for problem 5 part 1: {max_part1}");
     }
+    {
+        let file_path = "prob5_part2.txt";
+        let max_part1 = prob5::solve_part2(file_path);
+        println!("Solution for problem 5 part 2: {max_part1}");
+    }
 }

src/prob5.rs

@@ -1,5 +1,6 @@
 use std::collections::VecDeque;
 
+use itertools::Itertools;
 use nom::{
     branch::alt,
     bytes::complete::{tag, take, take_while1},
@@ -139,9 +140,30 @@ pub fn solve_part1(file_path: &str) -> String {
                 .push_front(tmp);
         });
     });
-    let mut answer = String::new();
+
     crate_columns
         .iter()
-        .for_each(|item| answer.push(*item.front().unwrap_or_else(|| panic!(""))));
-    answer
+        .map(|item| item.front().unwrap())
+        .join("")
+}
+
+pub fn solve_part2(file_path: &str) -> String {
+    let content = std::fs::read_to_string(file_path).unwrap_or_else(|err| panic!("{err}"));
+    let (mut crate_columns, instructions) = parser(&content);
+    instructions.iter().for_each(|ins| {
+        let mut test = vec!['\0'; ins.quantity];
+        (0..ins.quantity).for_each(|i| {
+            test[i] = crate_columns[ins.src]
+                .pop_front()
+                .unwrap_or_else(|| panic!("Could not pop front the column {}", ins.src));
+            //crate_columns[ins.dst].push_front(tmp);
+        });
+        test.reverse();
+        test.iter_mut()
+            .for_each(|tmp| crate_columns[ins.dst].push_front(*tmp));
+    });
+    crate_columns
+        .iter()
+        .map(|item| item.front().unwrap())
+        .join("")
 }