Merge pull request #12 from benesch/empty-array

Fix display for 0 dimensional arrays

Author: sfackler

src/array.rs

@@ -39,6 +39,10 @@ where
     I: Iterator<Item = &'a T>,
     T: 'a + fmt::Display,
 {
+    if dims.len() == 0 {
+        return write!(fmt, "{{}}");
+    }
+
     if depth == dims.len() {
         return write!(fmt, "{}", data.next().unwrap());
     }

src/lib.rs

@@ -146,5 +146,8 @@ mod tests {
         a.push(Array::from_vec(vec![4, 5, 6], 3));
         a.wrap(1);
         assert_eq!("[1:1][-2:-1][3:5]={{{1,2,3},{4,5,6}}}", &format!("{}", a));
+
+        let a: Array<String> = Array::from_parts(vec![], vec![]);
+        assert_eq!("{}", &format!("{}", a));
     }
 }