day20 format

src/tasks/day20.rs

@@ -44,13 +44,20 @@ struct RealPoint {
 
 impl RealPoint {
     fn map_point(&self) -> MapPoint {
-        MapPoint { x: self.x, y: self.y }
+        MapPoint {
+            x: self.x,
+            y: self.y,
+        }
     }
 }
 
 impl RealPoint {
     fn from(map_point: MapPoint, level: usize) -> Self {
-        RealPoint { x: map_point.x, y: map_point.y, level }
+        RealPoint {
+            x: map_point.x,
+            y: map_point.y,
+            level,
+        }
     }
 }
 
@@ -58,7 +65,9 @@ trait Field {
     fn neighbors(&self, at_level: usize) -> Vec<RealPoint>;
     fn set_label_partner(&mut self, point: MapPoint);
     fn set_neighbors(&mut self, neighbors: Vec<MapPoint>);
-    fn curried_factory(width: C, height: C) -> FieldFactory where Self: Sized;
+    fn curried_factory(width: C, height: C) -> FieldFactory
+        where
+            Self: Sized;
 }
 
 struct PortalField {
@@ -73,7 +82,10 @@ impl PortalField {
 
 impl Field for PortalField {
     fn neighbors(&self, _: usize) -> Vec<RealPoint> {
-        self.neighbors.iter().map(|p| RealPoint::from(*p, 0)).collect()
+        self.neighbors
+            .iter()
+            .map(|p| RealPoint::from(*p, 0))
+            .collect()
     }
 
     fn set_label_partner(&mut self, point: MapPoint) {
@@ -106,7 +118,11 @@ impl DimensionField {
 
 impl Field for DimensionField {
     fn neighbors(&self, at_level: usize) -> Vec<RealPoint> {
-        let mut result: Vec<RealPoint> = self.neighbors.iter().map(|n| RealPoint::from(*n, at_level)).collect();
+        let mut result: Vec<RealPoint> = self
+            .neighbors
+            .iter()
+            .map(|n| RealPoint::from(*n, at_level))
+            .collect();
         if let Some(destination) = self.jump {
             if self.is_inward() {
                 result.push(RealPoint::from(destination, at_level + 1));
@@ -127,7 +143,15 @@ impl Field for DimensionField {
     }
 
     fn curried_factory(width: C, height: C) -> FieldFactory {
-        Box::new(move |point: &MapPoint| Box::new(Self { point: *point, neighbors: vec![], jump: None, map_width: width, map_height: height }))
+        Box::new(move |point: &MapPoint| {
+            Box::new(Self {
+                point: *point,
+                neighbors: vec![],
+                jump: None,
+                map_width: width,
+                map_height: height,
+            })
+        })
     }
 }
 
@@ -150,7 +174,11 @@ impl Maze {
         let start = labels["AA"][0];
         let finish = labels["ZZ"][0];
 
-        Maze { map, start: RealPoint::from(start, 0), finish: RealPoint::from(finish, 0) }
+        Maze {
+            map,
+            start: RealPoint::from(start, 0),
+            finish: RealPoint::from(finish, 0),
+        }
     }
 
     fn shortest_path(&self) -> usize {
@@ -163,12 +191,20 @@ impl Maze {
                 continue;
             }
 
-            map.get_mut(&points[0]).unwrap().set_label_partner(points[1]);
+            map.get_mut(&points[0])
-            map.get_mut(&points[1]).unwrap().set_label_partner(points[0]);
+                .unwrap()
+                .set_label_partner(points[1]);
+            map.get_mut(&points[1])
+                .unwrap()
+                .set_label_partner(points[0]);
         }
     }
 
-    fn labels(moc: &HashMap<MapPoint, char>, width: C, height: C) -> HashMap<String, Vec<MapPoint>> {
+    fn labels(
+        moc: &HashMap<MapPoint, char>,
+        width: C,
+        height: C,
+    ) -> HashMap<String, Vec<MapPoint>> {
         let horizontal: Vec<(String, MapPoint)> = (0..width - 2)
             .into_iter()
             .flat_map(|x| {
@@ -240,7 +276,10 @@ impl Maze {
         })
     }
 
-    fn create_map_of_free_spots(moc: &HashMap<MapPoint, char>, field_factory: FieldFactory) -> FieldMap {
+    fn create_map_of_free_spots(
+        moc: &HashMap<MapPoint, char>,
+        field_factory: FieldFactory,
+    ) -> FieldMap {
         moc.keys()
             .filter(|p| moc[p] == '.')
             .map(|p| (*p, field_factory(p)))