Add comma in debug formatting to separate metadata

Author: jturner314

src/arrayformat.rs

@@ -160,7 +160,7 @@ where
         format_array(self, f, <_>::fmt, PRINT_ELEMENTS_LIMIT, 0)?;
         write!(
             f,
-            " shape={:?}, strides={:?}, layout={:?}",
+            ", shape={:?}, strides={:?}, layout={:?}",
             self.shape(),
             self.strides(),
             layout = self.view().layout()

tests/format.rs

@@ -62,13 +62,13 @@ fn debug_format() {
         "\
 [[0, 0, 0, 0],
  [0, 0, 0, 0],
- [0, 0, 0, 0]] shape=[3, 4], strides=[4, 1], layout=C (0x1), const ndim=2"
+ [0, 0, 0, 0]], shape=[3, 4], strides=[4, 1], layout=C (0x1), const ndim=2"
     );
     assert_eq!(
         format!("{:?}", a.into_dyn()),
         "\
 [[0, 0, 0, 0],
  [0, 0, 0, 0],
- [0, 0, 0, 0]] shape=[3, 4], strides=[4, 1], layout=C (0x1), dynamic ndim=2"
+ [0, 0, 0, 0]], shape=[3, 4], strides=[4, 1], layout=C (0x1), dynamic ndim=2"
     );
 }