I'm tired don't judge my setup ill fix it later or something

.gitignore

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+/target
+/**/input.txt

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "advent"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "advent"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

src/day1/mod.rs

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+pub fn part1() {
+    let input = include_str!("input.txt");
+
+    let mut values = Vec::<usize>::new();
+
+    for line in input.lines() {
+        let digits = line.chars().filter(|char| char.is_numeric()).collect::<Vec<_>>();
+        let calibrartion_value = format!("{}{}", digits.first().unwrap(), digits.last().unwrap());
+        values.push(calibrartion_value.parse().unwrap());
+    }
+
+    println!("{}", values.into_iter().reduce(|acc, e| acc + e).unwrap());
+}
+
+pub fn part2() {
+    let input = include_str!("input.txt");
+
+    let mut values = Vec::<usize>::new();
+
+    for line in input.lines() {
+        let line = line.to_owned();
+
+        // Find instances of number words and choose the closest, recursively replacing (Can't just .replace b/c of shit like "twone")
+        let digits = vec![
+            line.match_indices("one").collect::<Vec<_>>(),
+            line.match_indices("two").collect::<Vec<_>>(),
+            line.match_indices("three").collect::<Vec<_>>(),
+            line.match_indices("four").collect::<Vec<_>>(),
+            line.match_indices("five").collect::<Vec<_>>(),
+            line.match_indices("six").collect::<Vec<_>>(),
+            line.match_indices("seven").collect::<Vec<_>>(),
+            line.match_indices("eight").collect::<Vec<_>>(),
+            line.match_indices("nine").collect::<Vec<_>>(),
+            line.match_indices("1").collect::<Vec<_>>(),
+            line.match_indices("2").collect::<Vec<_>>(),
+            line.match_indices("3").collect::<Vec<_>>(),
+            line.match_indices("4").collect::<Vec<_>>(),
+            line.match_indices("5").collect::<Vec<_>>(),
+            line.match_indices("6").collect::<Vec<_>>(),
+            line.match_indices("7").collect::<Vec<_>>(),
+            line.match_indices("8").collect::<Vec<_>>(),
+            line.match_indices("9").collect::<Vec<_>>(),
+        ].into_iter();
+
+        let mut flat = Vec::<(usize, String)>::new();
+        for digit in digits {
+            for (index, text) in digit {
+                let text = text
+                    .to_owned()
+                    .replace("one", "1")
+                    .replace("two", "2")
+                    .replace("three", "3")
+                    .replace("four", "4")
+                    .replace("five", "5")
+                    .replace("six", "6")
+                    .replace("seven", "7")
+                    .replace("eight", "8")
+                    .replace("nine", "9");
+
+                flat.push((index, text));
+            }
+        }
+        flat.sort_by(|a, b| a.0.cmp(&b.0));
+
+        let calibration_value = format!("{}{}", flat.first().unwrap().1, flat.last().unwrap().1);
+        values.push(calibration_value.parse().unwrap());
+    }
+
+    println!("{}", values.into_iter().reduce(|acc, e| acc + e).unwrap());
+}

src/main.rs

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+pub mod day1;
+
+fn main() {
+    let args = std::env::args().collect::<Vec<_>>();
+
+    let day = args[1].as_str();
+    let part = args[2].as_str();
+
+    match day {
+        "1" => match part { "1" => day1::part1(), "2" => day1::part2(), _ => panic!("Invalid part #") },
+        _ => panic!("Invalid day #")
+    }
+}