better rust

src/days/day03/mod.rs

@@ -14,7 +14,7 @@ impl DayTrait for Day {
 
     fn part1(&self, lines: &str) -> anyhow::Result<ResultType> {
         let sum = split_lines(lines)
-            .map(|line| find_double(line))
+            .map(find_double)
             .map_ok(priority)
             .flatten_ok()
             .fold_ok(0, |a, b| a + b)?;