Applied clippy suggestions

src/solutions/day06.rs

@@ -27,17 +27,17 @@ impl Solution for Day06 {
         input: &mut Vec<String>,
     ) -> Result<Box<dyn std::fmt::Display + Sync>, Box<dyn std::error::Error>> {
         let times = vec![input[0]
-            .split(":")
+            .split(':')
             .nth(1)
             .unwrap()
-            .replace(" ", "")
+            .replace(' ', "")
             .parse::<u64>()?];
 
         let distances = vec![input[1]
-            .split(":")
+            .split(':')
             .nth(1)
             .unwrap()
-            .replace(" ", "")
+            .replace(' ', "")
             .parse::<u64>()?];
 
         Ok(Box::new(self.num_winning_races(&times, &distances)?))
@@ -66,7 +66,7 @@ impl Day06 {
             beats.push(count);
         }
 
-        Ok(beats.iter().fold(1, |acc, &b| acc * b))
+        Ok(beats.iter().product::<u32>())
     }
 }