Merge 4648800a09b81c2e82069235c3e18c55f4afafc1 into 11330e464ba3a7f08aaf73bc918281472c503b1d

src/matrix/mat.rs

@@ -198,18 +198,6 @@ impl<T: Clone> Matrix<T> {
         row_data
     }
 
-    #[inline]
-    pub fn row_mut(&mut self, r: usize) -> &mut [T] {
-        assert!(
-            r < self.rows,
-            "row index {} out of bounds for {} rows",
-            r,
-            self.rows
-        );
-        let start = r;
-        &mut self.data[start..start + self.cols]
-    }
-
     /// Deletes a row from the matrix. Panics on out-of-bounds.
     /// This is O(N) where N is the number of elements, as it rebuilds the data vec.
     pub fn delete_row(&mut self, row: usize) {
@@ -1184,25 +1172,6 @@ mod tests {
         assert_eq!(ma.row(2), &[3, 6, 9]);
     }
 
-    #[test]
-    fn test_row_mut() {
-        let mut ma = static_test_matrix();
-        let row1_mut = ma.row_mut(1);
-        row1_mut[0] = 20;
-        row1_mut[1] = 50;
-        row1_mut[2] = 80;
-
-        assert_eq!(ma.row(1), &[20, 50, 80]);
-        assert_eq!(ma.data(), &[1, 2, 3, 20, 50, 80, 7, 8, 9]);
-    }
-
-    #[test]
-    #[should_panic(expected = "row index 3 out of bounds for 3 rows")]
-    fn test_row_mut_out_of_bounds() {
-        let mut ma = static_test_matrix();
-        ma.row_mut(3);
-    }
-
     #[test]
     fn test_shape() {
         let ma = static_test_matrix_2x4();