fixed formatting errors

Author: Kirill Dubovikov

src/numeric/impl_numeric.rs

@@ -155,7 +155,7 @@ where
     /// ```
     pub fn var(&self, ddof: A) -> A
     where
-        A: Float + FromPrimitive
+        A: Float + FromPrimitive,
     {
         let zero = A::from_usize(0).expect("Converting 0 to `A` must not fail.");
         let n = A::from_usize(self.len()).expect("Converting length to `A` must not fail.");
@@ -217,12 +217,11 @@ where
     /// ```
     pub fn std(&self, ddof: A) -> A
     where
-        A: Float + FromPrimitive
+        A: Float + FromPrimitive,
     {
         self.var(ddof).sqrt()
     }
 
-
     /// Return sum along `axis`.
     ///
     /// ```

src/private.rs

@@ -21,5 +21,5 @@ macro_rules! private_impl {
         fn __private__(&self) -> crate::private::PrivateMarker {
             crate::private::PrivateMarker
         }
-    }
+    };
 }

tests/numeric.rs

@@ -68,7 +68,6 @@ fn sum_mean_empty() {
 fn var() {
     let a = array![1., -4.32, 1.14, 0.32];
     assert_abs_diff_eq!(a.var(0.), 5.049875, epsilon = 1e-8);
-
 }
 
 #[test]
@@ -102,7 +101,6 @@ fn var_empty_arr() {
 fn std() {
     let a = array![1., -4.32, 1.14, 0.32];
     assert_abs_diff_eq!(a.std(0.), 2.24719, epsilon = 1e-5);
-
 }
 
 #[test]