diff --git a/Cargo.lock b/Cargo.lock
index cb6c099..d40d4e8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,18 +4,18 @@ version = 3
 
 [[package]]
 name = "day1"
-version = "0.1.0"
+version = "2022.0.0"
 
 [[package]]
 name = "day10"
-version = "0.1.0"
+version = "2022.0.0"
 
 [[package]]
 name = "day11"
-version = "0.1.0"
+version = "2022.0.0"
 dependencies = [
  "derive-getters",
- "itertools 0.11.0",
+ "itertools",
  "log",
  "nom",
 ]
@@ -24,7 +24,7 @@ dependencies = [
 name = "day12"
 version = "0.1.0"
 dependencies = [
- "itertools 0.11.0",
+ "itertools",
  "log",
 ]
 
@@ -32,43 +32,44 @@ dependencies = [
 name = "day13"
 version = "2022.0.0"
 dependencies = [
+ "log",
  "nom",
 ]
 
 [[package]]
 name = "day2"
-version = "0.1.0"
+version = "2022.0.0"
 
 [[package]]
 name = "day3"
-version = "0.1.0"
+version = "2022.0.0"
 
 [[package]]
 name = "day4"
-version = "0.1.0"
+version = "2022.0.0"
 
 [[package]]
 name = "day5"
-version = "0.1.0"
+version = "2022.0.0"
 
 [[package]]
 name = "day6"
-version = "0.1.0"
+version = "2022.0.0"
 
 [[package]]
 name = "day7"
-version = "0.1.0"
+version = "2022.0.0"
 
 [[package]]
 name = "day8"
-version = "0.1.0"
+version = "2022.0.0"
 dependencies = [
- "itertools 0.10.5",
+ "itertools",
 ]
 
 [[package]]
 name = "day9"
-version = "0.1.0"
+version = "2022.0.0"
 
 [[package]]
 name = "derive-getters"
@@ -87,15 +88,6 @@ version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a26ae43d7bcc3b814de94796a5e736d4029efb0ee900c12e2d54c993ad1a1e07"
 
-[[package]]
-name = "itertools"
-version = "0.10.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itertools"
 version = "0.11.0"
diff --git a/Cargo.toml b/Cargo.toml
index 5de6a79..7a860bb 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,6 +14,7 @@ members = [
     "day12",
     "day13",
 ]
+resolver = "2"
 
 
 [workspace.package]
diff --git a/day1/Cargo.toml b/day1/Cargo.toml
index a3c4e52..3033c17 100644
--- a/day1/Cargo.toml
+++ b/day1/Cargo.toml
@@ -1,7 +1,9 @@
 [package]
 name = "day1"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/day1/src/main.rs b/day1/src/main.rs
index 4e9de6e..71b843a 100644
--- a/day1/src/main.rs
+++ b/day1/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
 
@@ -20,16 +22,13 @@ fn main() -> std::io::Result<()> {
 
     //order the elves since we don't care about position anymore
     elves.sort_by(|a, b| b.cmp(a));
-    let max = *elves.get(0).expect("faliure");
+    let max = *elves.first().expect("faliure");
     let counts = elves.iter().take(3).sum::<u64>();
-    //elves.sort();
-    //let max = elves.len() - 1;
 
     //part 1 is get the max
     println!("Part 1: {max}");
 
     //Part 2 is get the sum of the largest 3
-    //let counts: u64 = elves[(max - 2)..].iter().sum();
     println!("Part 2: {counts}");
 
     Ok(())
diff --git a/day10/Cargo.toml b/day10/Cargo.toml
index 40d2066..e659155 100644
--- a/day10/Cargo.toml
+++ b/day10/Cargo.toml
@@ -1,7 +1,9 @@
 [package]
 name = "day10"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/day10/src/main.rs b/day10/src/main.rs
index e030e03..d141bc0 100644
--- a/day10/src/main.rs
+++ b/day10/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
 use std::str;
@@ -7,17 +9,17 @@ fn main() -> std::io::Result<()> {
     let file = File::open("input")?;
     let reader = BufReader::new(file);
 
-    let mut part1: Vec<i32> = Vec::new();
+    let mut part1: Vec<_> = Vec::new();
     let mut part2 = [[b'.'; 40]; 6];
     let mut x_reg = 1;
-    let mut pc = 0;
+    let mut pc = 0_u32;
 
     reader.lines().for_each(|line| {
         let line = line.unwrap();
         let op = match line.split(' ').collect::<Vec<_>>()[..] {
-            ["addx", x] => Some(x.parse::<i32>().unwrap()),
+            ["addx", x] => Some(x.parse::<u32>().unwrap()),
             ["noop"] => None,
-            _ => panic!("invalid command: {}", line),
+            _ => panic!("invalid command: {line}"),
         };
         let steps = if op.is_some() { 2 } else { 1 };
         for i in 0..steps {
@@ -38,7 +40,7 @@ fn main() -> std::io::Result<()> {
         }
     });
 
-    println!("Part 1: {}", part1.iter().sum::<i32>());
+    println!("Part 1: {}", part1.iter().sum::<u32>());
     for row in part2 {
         println!("Part 2: {}", str::from_utf8(&row).unwrap());
     }
diff --git a/day11/Cargo.toml b/day11/Cargo.toml
index 092bd7a..4a182aa 100644
--- a/day11/Cargo.toml
+++ b/day11/Cargo.toml
@@ -1,13 +1,15 @@
 [package]
 name = "day11"
-version = "0.1.0"
-edition = "2021"
 description = "AOC 2022 Day 11"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-derive-getters = "0.3.0"
-itertools = "0.11.0"
-log = "0.4.20"
-nom = "7.1.3"
+derive-getters.workspace = true
+itertools.workspace = true
+log.workspace = true
+nom.workspace = true
diff --git a/day11/src/main.rs b/day11/src/main.rs
index d189df9..74679de 100644
--- a/day11/src/main.rs
+++ b/day11/src/main.rs
@@ -1,6 +1,8 @@
 #![warn(clippy::all, clippy::pedantic)]
+
 use derive_getters::Getters;
 use itertools::Itertools;
+use log::{debug, trace};
 use nom::{
     branch::alt,
     bytes::complete::tag,
@@ -10,7 +12,6 @@ use nom::{
     sequence::{delimited, preceded},
     IResult, Parser,
 };
-use log::{debug, trace};
 use std::{
     collections::VecDeque, error, fmt::Display, fs::File, io::Read, num::ParseIntError,
     str::FromStr,
@@ -150,8 +151,12 @@ impl Test {
         let (input, true_to) = match preceded(
             tag("If true: throw to monkey "),
             nom::character::complete::u64.map(|x| usize::try_from(x).unwrap()),
-        )(input){
-            Err(e) => {println!("{e:?}"); Err(e)},
+        )(input)
+        {
+            Err(e) => {
+                println!("{e:?}");
+                Err(e)
+            }
             x => x,
         }?;
         trace!("parse test 4");
@@ -186,7 +191,7 @@ impl Ape {
     }
 
     pub fn inspect(&mut self, relief: bool) -> Option<u64> {
-        let relief: u64 = if relief {3} else {1};
+        let relief: u64 = if relief { 3 } else { 1 };
         let item = self.items.pop_front()?;
         self.inspected += 1;
         Some(self.operation.do_op(item) / relief)
@@ -331,7 +336,7 @@ fn main() {
     //game 1
     for _ in 0..20 {
         for i in 0..monkeys.len() {
-            while let Some( item) = monkeys[i].inspect(true){
+            while let Some(item) = monkeys[i].inspect(true) {
                 let throw_to = monkeys[i].throw(item);
                 monkeys[throw_to].catch(item);
             }
@@ -348,7 +353,10 @@ fn main() {
         .product::<u64>();
     println!("Part 1: {val}");
 
-    let magic = monkeys_game2.iter().map(|x| x.test().divisor()).product::<u64>();
+    let magic = monkeys_game2
+        .iter()
+        .map(|x| x.test().divisor())
+        .product::<u64>();
 
     for _ in 0..10_000 {
         for i in 0..monkeys_game2.len() {
diff --git a/day2/Cargo.toml b/day2/Cargo.toml
index 8aa34bb..b9c26aa 100644
--- a/day2/Cargo.toml
+++ b/day2/Cargo.toml
@@ -1,8 +1,9 @@
 [package]
 name = "day2"
-version = "0.1.0"
-edition = "2021"
-
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
diff --git a/day2/src/main.rs b/day2/src/main.rs
index c70f211..8abbe8b 100644
--- a/day2/src/main.rs
+++ b/day2/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
 
@@ -61,7 +63,7 @@ impl std::str::FromStr for Game {
         let opponent: Choice = str_split[0].parse()?;
         // game1
         //let you: Choice = str_split[1].parse()?;
-        let you = match str_split[1] {
+        let you = match *str_split.get(1).expect("msg") {
             "X" => opponent.beats(),
             "Y" => str_split[0].parse()?,
             "Z" => opponent.loses(),
diff --git a/day3/Cargo.toml b/day3/Cargo.toml
index 898e70d..0416447 100644
--- a/day3/Cargo.toml
+++ b/day3/Cargo.toml
@@ -1,7 +1,9 @@
 [package]
 name = "day3"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/day3/src/main.rs b/day3/src/main.rs
index 6654da9..f297e34 100644
--- a/day3/src/main.rs
+++ b/day3/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
 
@@ -28,22 +30,21 @@ fn main() -> std::io::Result<()> {
         .lines()
         .fold(Vec::new(), |mut acc: Vec<Vec<String>>, line| {
             if acc.is_empty() || acc.last().unwrap().len() == 3 {
-                acc.push(Vec::new())
+                acc.push(Vec::new());
             }
             acc.last_mut().unwrap().push(line.unwrap());
             acc
         })
         .iter()
         .map(|group| {
-            let (g1, g2, g3) = match group.as_slice() {
-                [g1, g2, g3] => (g1, g2, g3),
-                _ => panic!("not get here"),
+            let [g1, g2, g3] = group.as_slice() else {
+                panic!("not get here")
             };
             match g1
                 .chars()
                 .fold(Vec::new(), |mut combo: Vec<char>, ch| {
                     if g2.contains(ch) {
-                        combo.push(ch)
+                        combo.push(ch);
                     }
                     combo
                 })
diff --git a/day4/Cargo.toml b/day4/Cargo.toml
index 8842130..35259d2 100644
--- a/day4/Cargo.toml
+++ b/day4/Cargo.toml
@@ -1,7 +1,9 @@
 [package]
 name = "day4"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/day4/src/main.rs b/day4/src/main.rs
index 71ad02f..d253324 100644
--- a/day4/src/main.rs
+++ b/day4/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
 
diff --git a/day5/Cargo.toml b/day5/Cargo.toml
index f9b62bf..ddbf17c 100644
--- a/day5/Cargo.toml
+++ b/day5/Cargo.toml
@@ -1,7 +1,9 @@
 [package]
 name = "day5"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/day5/src/main.rs b/day5/src/main.rs
index 7514f08..39abdda 100644
--- a/day5/src/main.rs
+++ b/day5/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
 
@@ -40,7 +42,7 @@ impl GameBoard {
         self.board
             .iter()
             .map(|x| x.last().unwrap().label.clone())
-            .fold("".to_string(), |acc, x| acc + &x)
+            .fold(String::new(), |acc, x| acc + &x)
     }
 }
 impl From<Vec<String>> for GameBoard {
@@ -50,12 +52,12 @@ impl From<Vec<String>> for GameBoard {
         // get labels
         let labels = label_vec
             .split_whitespace()
-            .map(|x| x.to_string())
+            .map(std::string::ToString::to_string)
             .collect::<Vec<String>>();
         //TODO sscanf for crates
         board_vec.reverse();
         let mut board = vec![Vec::new(); labels.len()];
-        board_vec.iter().for_each(|line| {
+        for line in &board_vec {
             board.iter_mut().enumerate().for_each(|(i, col)| {
                 let (begin, end) = (i * 4, std::cmp::min(i * 4 + 4, line.len()));
                 let crate_str = line[begin..end]
@@ -65,8 +67,8 @@ impl From<Vec<String>> for GameBoard {
                 if !crate_str.is_empty() {
                     col.push(Crate { label: crate_str });
                 }
-            })
-        });
+            });
+        }
         GameBoard {
             _labels: labels,
             board,
@@ -94,10 +96,10 @@ fn main() -> std::io::Result<()> {
             acc
         },
     );
-    println!("{:?}", board_lines);
+    println!("{board_lines:?}");
     let mut board = GameBoard::from(board_lines);
 
-    movement_lines.iter().for_each(|line| {
+    for line in &movement_lines {
         match line
             .split_whitespace()
             .filter_map(|x| x.parse::<usize>().ok())
@@ -112,7 +114,7 @@ fn main() -> std::io::Result<()> {
                     .collect::<Vec<usize>>()
             ),
         };
-    });
+    }
 
     println!("{}", board.get_tops());
 
diff --git a/day6/Cargo.toml b/day6/Cargo.toml
index 89d04ae..37796e7 100644
--- a/day6/Cargo.toml
+++ b/day6/Cargo.toml
@@ -1,7 +1,9 @@
 [package]
 name = "day6"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/day6/src/main.rs b/day6/src/main.rs
index 32c7ef1..6bbffef 100644
--- a/day6/src/main.rs
+++ b/day6/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use std::collections::HashMap;
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
@@ -18,7 +20,7 @@ fn main() -> std::io::Result<()> {
                 }
                 holder.insert(c, true);
             }
-            println!("Part 1: line: {} marker at: {}", line_no, i);
+            println!("Part 1: line: {line_no} marker at: {i}");
             break;
         }
         'checker: for i in 14..line.len() {
@@ -30,7 +32,7 @@ fn main() -> std::io::Result<()> {
                 }
                 holder.insert(c, true);
             }
-            println!("Part 2: line: {} marker at: {}", line_no, i);
+            println!("Part 2: line: {line_no} marker at: {i}");
             break;
         }
     });
diff --git a/day7/Cargo.toml b/day7/Cargo.toml
index b170ccb..80516c0 100644
--- a/day7/Cargo.toml
+++ b/day7/Cargo.toml
@@ -1,7 +1,9 @@
 [package]
 name = "day7"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/day7/src/main.rs b/day7/src/main.rs
index 1718837..24e5e7c 100644
--- a/day7/src/main.rs
+++ b/day7/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use std::cell::RefCell;
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
@@ -15,7 +17,7 @@ impl Sizer for Vec<usize> {
 
 impl<T: Sizer> Sizer for Vec<T> {
     fn size(&self) -> usize {
-        self.iter().map(|x| x.size()).sum()
+        self.iter().map(Sizer::size).sum()
     }
 }
 
@@ -50,7 +52,7 @@ impl MyDir {
                 .iter()
                 .filter_map(|x| match x {
                     FileSystemTypes::MyDir(y) => Some(y),
-                    _ => None,
+                    FileSystemTypes::MyFile(_) => None,
                 })
                 .find(|x| *x.borrow().name == dir)?
                 .clone(),
@@ -63,7 +65,7 @@ impl MyDir {
         }));
     }
     //has to be  a static method...
-    fn mkdir(self_: Rc<RefCell<MyDir>>, name: impl Into<String>) {
+    fn mkdir(self_: &Rc<RefCell<MyDir>>, name: impl Into<String>) {
         self_
             .borrow_mut()
             .objects
@@ -136,11 +138,11 @@ fn main() -> std::io::Result<()> {
         if ls_mode && line.as_bytes()[0] != b'$' {
             //do adding to cursor
             match line.split_whitespace().collect::<Vec<_>>()[..] {
-                ["dir", name] => MyDir::mkdir(cursor.clone(), name),
+                ["dir", name] => MyDir::mkdir(&cursor.clone(), name),
                 [size, name] => cursor
                     .borrow_mut()
                     .touch(name, size.parse::<usize>().unwrap()),
-                _ => panic!("oops {}", line),
+                _ => panic!("oops {line}"),
             };
             // end the for_each
             return;
@@ -155,13 +157,13 @@ fn main() -> std::io::Result<()> {
             ["$", "cd", "/"] => root.clone(), //set current directory back to root
             ["$", "cd", ".."] => cursor.borrow().move_up().unwrap(),
             ["$", "cd", dir] => cursor.borrow().move_down(dir).unwrap(),
-            _ => panic!("unknown command {}", line),
+            _ => panic!("unknown command {line}"),
         }
     });
     let mut part1 = Vec::new();
     let max = recurse_part1(&mut part1, &root.borrow());
     let part1_ans: usize = part1.iter().filter(|x| **x <= 100_000).sum();
-    println!("Part 1: {}", part1_ans);
+    println!("Part 1: {part1_ans}");
 
     //part 2
     let free_space = 70_000_000_usize - max;
diff --git a/day8/Cargo.toml b/day8/Cargo.toml
index eb57b15..34b1da9 100644
--- a/day8/Cargo.toml
+++ b/day8/Cargo.toml
@@ -1,9 +1,11 @@
 [package]
 name = "day8"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-itertools = "0.10.5"
+itertools.workspace = true
diff --git a/day8/src/main.rs b/day8/src/main.rs
index 24accc1..ff5a064 100644
--- a/day8/src/main.rs
+++ b/day8/src/main.rs
@@ -1,26 +1,32 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use itertools::Itertools;
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
 
-fn main() -> std::io::Result<()> {
-    //Read in file
-    let file = File::open("input")?;
+fn get_board(file: &File) -> Vec<Vec<u8>> {
     let reader = BufReader::new(file);
 
-    let board = reader
+    reader
         .lines()
         .map(|line| {
             line.unwrap()
                 .matches(char::is_numeric)
-                .map(|num| num.parse::<u8>().unwrap())
-                .collect::<Vec<_>>()
+                .map(|num| num.parse().unwrap())
+                .collect()
         })
-        .collect::<Vec<Vec<_>>>();
+        .collect()
+}
+
+fn main() -> std::io::Result<()> {
+    //Read in file
+    let file = File::open("input")?;
+
+    let board = get_board(&file);
+
     let y_len = board.len();
-    let x_len = board.iter().map(|x| x.len()).max().unwrap();
-    if board.iter().any(|x| x.len() != x_len) {
-        panic!("board isn't square")
-    }
+    let x_len = board.iter().map(std::vec::Vec::len).max().unwrap();
+    assert!(board.iter().any(|x| x.len() != x_len), "board isn't square");
 
     let mut visible: Vec<(usize, usize, u8)> = Vec::new();
     let mut max_in_row_from_left = vec![0_usize; y_len];
@@ -142,14 +148,14 @@ fn main() -> std::io::Result<()> {
         }
     }
     let part1 = visible.iter().unique().count();
-    println!("Part 1: {}", part1);
+    println!("Part 1: {part1}");
 
     let part2 = scores
         .iter()
         .map(|x| x.iter().max().unwrap())
         .max()
         .unwrap();
-    println!("Part 2: {}", part2);
+    println!("Part 2: {part2}");
 
     Ok(())
 }
diff --git a/day9/Cargo.toml b/day9/Cargo.toml
index b5e5273..5c8332a 100644
--- a/day9/Cargo.toml
+++ b/day9/Cargo.toml
@@ -1,7 +1,9 @@
 [package]
 name = "day9"
-version = "0.1.0"
-edition = "2021"
+version.workspace = true
+edition.workspace = true
+authors.workspace = true
+repository.workspace = true
 
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
diff --git a/day9/src/main.rs b/day9/src/main.rs
index 2931476..d62f48c 100644
--- a/day9/src/main.rs
+++ b/day9/src/main.rs
@@ -1,3 +1,5 @@
+#![warn(clippy::all, clippy::pedantic)]
+
 use std::collections::HashSet;
 use std::fs::File;
 use std::io::{prelude::*, BufReader};
@@ -7,7 +9,7 @@ fn main() -> std::io::Result<()> {
     let file = File::open("input")?;
     let reader = BufReader::new(file);
 
-    let mut snake = vec![(0_i32, 0_i32); 10];
+    let mut snake = [(0_i32, 0_i32); 10];
     let mut visited: Vec<HashSet<(i32, i32)>> = vec![HashSet::new(); 10];
 
     //intialize the visited
@@ -20,7 +22,7 @@ fn main() -> std::io::Result<()> {
         let line = line.unwrap();
         let (direction, steps) = match line.split(' ').collect::<Vec<&str>>()[..] {
             [dir, step] => (dir, step.parse::<usize>().unwrap()),
-            _ => panic!("failed parseing line {}", line),
+            _ => panic!("failed parseing line {line}"),
         };
         for _ in 0..steps {
             let (mut cur_head_x, mut cur_head_y) = snake[0];
@@ -29,7 +31,7 @@ fn main() -> std::io::Result<()> {
                 "R" => cur_head_x += 1,
                 "U" => cur_head_y += 1,
                 "D" => cur_head_y -= 1,
-                x => panic!("invalid movement {}", x),
+                x => panic!("invalid movement {x}"),
             };
             let new_head_pos = (cur_head_x, cur_head_y);
             snake[0] = new_head_pos;
@@ -60,8 +62,8 @@ fn main() -> std::io::Result<()> {
         }
     });
     let part1 = visited[1].len();
-    println!("Part 1: {}", part1);
+    println!("Part 1: {part1}");
     let part2 = visited[9].len();
-    println!("Part 2: {}", part2);
+    println!("Part 2: {part2}");
     Ok(())
 }