solve year 2023 day 06 & rewrite number parsing to be generic

src/year2022/day01.rs

@@ -1,7 +1,7 @@
 use crate::util::parse::ParseExt;
 
 fn calories(input: &str) -> impl Iterator<Item = u32> + '_ {
-    input.split("\n\n").map(|set| set.u32s().sum())
+    input.split("\n\n").map(|set| set.unsigned::<u32>().sum())
 }
 
 pub fn part1(input: &str) -> impl std::fmt::Display {

src/year2022/day04.rs

@@ -4,7 +4,7 @@ fn solve(input: &str, filter: fn(u32, u32, u32, u32) -> bool) -> usize {
     input
         .lines()
         .filter_map(|line| {
-            let mut nums = line.u32s();
+            let mut nums = line.unsigned::<u32>();
 
             if (filter)(nums.next()?, nums.next()?, nums.next()?, nums.next()?) {
                 Some(())

src/year2022/day05.rs

@@ -2,7 +2,7 @@ use crate::util::parse::ParseExt;
 
 fn parse(input: &str) -> Option<(Vec<Vec<char>>, impl Iterator<Item = [u32; 3]> + '_)> {
     let (board, moveset) = input.split_once("\n\n")?;
-    let size = board.lines().last()?.u32s().count();
+    let size = board.lines().last()?.unsigned::<u32>().count();
     let mut crates: Vec<Vec<char>> = vec![vec![]; size + 1];
 
     board.lines().for_each(|line| {
@@ -22,7 +22,7 @@ fn parse(input: &str) -> Option<(Vec<Vec<char>>, impl Iterator<Item = [u32; 3]>
     }
 
     let moves = moveset.lines().filter_map(|line| {
-        let mut nums = line.u32s();
+        let mut nums = line.unsigned();
         Some([nums.next()?, nums.next()?, nums.next()?])
     });