Base scaffold

src/lib.rs

@@ -1,4 +1,4 @@
-#[derive(Clone,Debug,Copy)]
+#[derive(Clone, Debug, Copy)]
 pub enum CellValue {
     One,
     Two,
@@ -8,20 +8,19 @@ pub enum CellValue {
     Six,
     Seven,
     Eight,
-    Nine
+    Nine,
 }
 
 pub struct Cell {
     value: Option<CellValue>,
     candidates: Vec<CellValue>,
-
 }
 
 impl Default for Cell {
     fn default() -> Cell {
         Cell {
-            value : None,
-            candidates : vec![
+            value: None,
+            candidates: vec![
                 CellValue::One,
                 CellValue::Two,
                 CellValue::Three,
@@ -30,19 +29,19 @@ impl Default for Cell {
                 CellValue::Six,
                 CellValue::Seven,
                 CellValue::Eight,
-                CellValue::Nine
-            ]
+                CellValue::Nine,
+            ],
         }
     }
 }
 
 #[derive(Default)]
 pub struct Board {
-    cells: [ [ Cell ; 9 ] ; 9 ]
+    cells: [[Cell; 9]; 9],
 }
 
 impl Board {
-    fn value(self, x: usize, y : usize) -> Option<CellValue> {
+    fn value(self, x: usize, y: usize) -> Option<CellValue> {
         self.cells[x][y].value
     }
 }