porting over AOC from previous years to a monorepo.

2022/days/08/src/utilities.rs

@@ -0,0 +1,26 @@
+pub fn parse(input: &str) -> Vec<Vec<u8>> {
+    input
+        .lines()
+        .map(|l| l.chars().map(|c| c.to_digit(10).unwrap() as u8).collect())
+        .collect()
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn test_parse() {
+        let input = concat!("30373\n", "25512\n", "65332\n", "33549\n", "35390\n",);
+        assert_eq!(
+            parse(input),
+            vec![
+                vec![3, 0, 3, 7, 3],
+                vec![2, 5, 5, 1, 2],
+                vec![6, 5, 3, 3, 2],
+                vec![3, 3, 5, 4, 9],
+                vec![3, 5, 3, 9, 0]
+            ]
+        );
+    }
+}