Some tweaks

Author: timvisee

day08b/src/main.rs

@@ -32,7 +32,7 @@ pub fn main() {
                         },
                     })
                     .enumerate()
-                    .fold(0, |sum, (i, n)| sum + n * 10_u32.pow(3 - i as u32))
+                    .fold(0, |acc, (i, n)| acc + n * 10_u32.pow(3 - i as u32))
             })
             .sum::<u32>()
     );

day09b/src/main.rs

@@ -1,15 +1,15 @@
 const NEXT: [(isize, isize); 4] = [(0, -1), (0, 1), (-1, 0), (1, 0)];
 
 pub fn main() {
-    let mut input = include_bytes!("../input.txt")
+    let mut map = include_bytes!("../input.txt")
         .split(|&b| b == b'\n')
         .map(|l| l.to_vec())
-        .collect::<Vec<Vec<u8>>>();
+        .collect::<Vec<_>>();
 
     let mut basins = vec![];
-    for y in 0..input.len() {
-        for x in 0..input[0].len() {
-            (input[y][x] < b'9').then(|| basins.push(basin(&mut input, x, y)));
+    for y in 0..map.len() {
+        for x in 0..map[0].len() {
+            (map[y][x] < b'9').then(|| basins.push(basin(&mut map, x, y)));
         }
     }
 

day10a/src/main.rs

@@ -7,7 +7,7 @@ pub fn main() {
             .lines()
             .filter_map(|seq| seq
                 .bytes()
-                .scan(Vec::with_capacity(110), |s, c| Some(match c {
+                .scan(Vec::with_capacity(64), |s, c| Some(match c {
                     c if matches!(c, b'(' | b'[' | b'{' | b'<') => (s.push(c) != ()).then(|| b' '),
                     b')' => (s.pop().unwrap() != b'(').then(|| b')'),
                     c => (s.pop().unwrap() != c - 2).then(|| c),

day10b/src/main.rs

@@ -4,7 +4,7 @@ pub fn main() {
     let mut scores = include_str!("../input.txt")
         .lines()
         .filter_map(|seq| {
-            let mut s = Vec::with_capacity(110);
+            let mut s = Vec::with_capacity(64);
             seq.bytes()
                 .all(|c| match c {
                     c if matches!(c, b'(' | b'[' | b'{' | b'<') => s.push(c) == (),