Fix code smells in previous days

Author: fuljo

src/bin/day19.rs

@@ -89,7 +89,7 @@ impl SearchNode {
     }
 
     fn utility(&self) -> usize {
-        self.resources[GEODE] as usize
+        self.resources[GEODE]
     }
 
     fn expand(&self, costs: &Blueprint) -> Vec<SearchNode> {
@@ -206,7 +206,8 @@ fn compute_bound(
         .min(dt)
             / 2;
 
-    spec_geode as usize
+    #[allow(clippy::let_and_return)]
+    spec_geode
 }
 
 fn parse_res(s: &str) -> Res {

src/bin/day24.rs

@@ -383,7 +383,7 @@ fn search_sol(map: Map) -> (Map, usize) {
     frontier.push(SearchNode::new(&map_t[0]));
 
     // Search
-    let mut sol: usize = usize::MAX;
+    let mut cost: usize = usize::MAX;
     while let Some(node) = frontier.pop() {
         if visited.contains(&node) {
             continue;
@@ -393,7 +393,7 @@ fn search_sol(map: Map) -> (Map, usize) {
         // goal
         if node.pos == map_t[0].end {
             println!("Solution: {}", node);
-            sol = node.t;
+            cost = node.t;
             break;
         }
 
@@ -405,7 +405,7 @@ fn search_sol(map: Map) -> (Map, usize) {
         }
         visited.insert(node);
     }
-    (map_t.remove(sol), sol)
+    (map_t.remove(cost), cost)
 }
 
 fn main() {

src/bin/day9.rs

@@ -19,8 +19,8 @@ impl Sub<Pos> for Pos {
     type Output = Pos;
     fn sub(self, rhs: Pos) -> Self::Output {
         Pos(
-            (self.0 - rhs.0).min(1).max(-1),
-            (self.1 - rhs.1).min(1).max(-1),
+            (self.0 - rhs.0).clamp(-1, 1),
+            (self.1 - rhs.1).clamp(-1, 1),
         )
     }
 }