Fix formatting

Author: 9prady9

src/dim4.rs

@@ -65,7 +65,9 @@ impl Dim4 {
     /// let dims = Dim4::new(&[4, 4, 2, 1]);
     /// ```
     pub fn new(dims: &[u64; 4]) -> Self {
-        Self { dims: [ dims[0], dims[1], dims[2], dims[3] ] }
+        Self {
+            dims: [dims[0], dims[1], dims[2], dims[3]],
+        }
     }
 
     /// Get the number of elements represented by Dim4 object