cargo fmt

src/day1.rs

@@ -2,7 +2,11 @@ use aoc_runner_derive::{aoc,aoc_generator};
 
 #[aoc_generator(day1)]
 pub fn input_generator(input: &str) -> Vec<usize> {
-    input.lines().map(|l| l.trim().parse()).collect::<Result<Vec<usize>,_>>().unwrap()
+    input
+        .lines()
+        .map(|l| l.trim().parse())
+        .collect::<Result<Vec<usize>, _>>()
+        .unwrap()
 }
 
 #[aoc(day1, part1)]
@@ -10,7 +14,9 @@ pub fn solve_part1(input: &Vec<usize>) -> usize {
     let mut input = input.clone();
     input.sort();
     for (i1, v1) in input.iter().enumerate() {
-        if v1>&2020 {break;}
+        if v1 > &2020 {
+            break;
+        }
         for v2 in input.iter().skip(i1 + 1) {
             if (v1 + v2) == 2020 {
                 return v1 * v2;
@@ -20,15 +26,18 @@ pub fn solve_part1(input: &Vec<usize>) -> usize {
     panic!("No pair summed to 20202!");
 }
 
-
 #[aoc(day1, part2)]
 pub fn solve_part2(input: &Vec<usize>) -> usize {
     let mut input = input.clone();
     input.sort();
     for (i1, v1) in input.iter().enumerate() {
-        if v1>&2020 {break;}
+        if v1 > &2020 {
+            break;
+        }
         for (i2, v2) in input.iter().enumerate().skip(i1 + 1) {
-            if (v1+v2)>2020 {break;}
+            if (v1 + v2) > 2020 {
+                break;
+            }
             for v3 in input.iter().skip(i2 + 1) {
                 if (v1 + v2 + v3) == 2020 {
                     return v1 * v2 * v3;

src/day2.rs

@@ -5,7 +5,7 @@ pub struct Rule {
     min: usize,
     max: usize,
     ch: char,
-    pw: String
+    pw: String,
 }
 
 impl Rule {
@@ -17,16 +17,24 @@ impl Rule {
         let idx_1 = self.min - 1;
         let idx_2 = self.max - 1;
         let chars: Vec<char> = self.pw.chars().collect();
-        return (chars.get(idx_1)==Some(&self.ch))^(chars.get(idx_2)==Some(&self.ch))
+        return (chars.get(idx_1) == Some(&self.ch)) ^ (chars.get(idx_2) == Some(&self.ch));
     }
 }
 
 #[aoc_generator(day2)]
 pub fn input_generator(input: &str) -> Vec<Rule> {
-    input.lines().map(|l| {
+    input
+        .lines()
+        .map(|l| {
             let mut ws = l.trim().split_whitespace();
             let range = ws.next().unwrap();
-        let ch= ws.next().unwrap().trim_end_matches(|c| c==':').chars().next().unwrap();
+            let ch = ws
+                .next()
+                .unwrap()
+                .trim_end_matches(|c| c == ':')
+                .chars()
+                .next()
+                .unwrap();
             let pw = ws.next().unwrap().to_owned();
             let (r_min, r_max) = {
                 let mut r = range.split('-');
@@ -38,9 +46,10 @@ pub fn input_generator(input: &str) -> Vec<Rule> {
                 min: r_min,
                 max: r_max,
                 ch,
-            pw
+                pw,
             }
-    }).collect::<Vec<Rule>>()
+        })
+        .collect::<Vec<Rule>>()
 }
 
 #[aoc(day2, part1)]
@@ -54,7 +63,6 @@ pub fn solve_part1(input: &Vec<Rule>) -> usize {
     total
 }
 
-
 #[aoc(day2, part2)]
 pub fn solve_part2(input: &Vec<Rule>) -> usize {
     let mut total = 0;
@@ -65,4 +73,3 @@ pub fn solve_part2(input: &Vec<Rule>) -> usize {
     }
     total
 }
-

src/day3.rs

@@ -5,17 +5,21 @@ pub struct Forest {
 
 impl Forest {
     fn get(&self, x: usize, y: usize) -> Option<bool> {
-        self.slice.get(y).map(|line| line.get(x%line.len())).flatten().cloned()
+        self.slice
+            .get(y)
+            .map(|line| line.get(x % line.len()))
+            .flatten()
+            .cloned()
     }
 }
 
-
 #[aoc_generator(day3)]
 pub fn input_generator(input: &str) -> Forest {
-    let slice=input.lines().map(|l| l.chars().map(|c| c=='#').collect()).collect();
-    Forest{
-        slice
-    }
+    let slice = input
+        .lines()
+        .map(|l| l.chars().map(|c| c == '#').collect())
+        .collect();
+    Forest { slice }
 }
 
 #[aoc(day3, part1)]
@@ -30,11 +34,10 @@ pub fn solve_part1(input: &Forest) -> usize {
         }
         pos.0 += dx;
         pos.1 += dy;
-    };
+    }
     sum
 }
 
-
 #[aoc(day3, part2)]
 pub fn solve_part2(input: &Forest) -> usize {
     let mut prod: usize = 1;
@@ -47,7 +50,7 @@ pub fn solve_part2(input: &Forest) -> usize {
             }
             pos.0 += dx;
             pos.1 += dy;
-        };
+        }
         prod *= sum;
     }
     prod