From 7bc91d3c6822c149ccc84bd0eef22f76830c273d Mon Sep 17 00:00:00 2001
From: Owen Brooks <owen.h.brooks@gmail.com>
Date: Fri, 17 Jun 2022 17:43:50 +1000
Subject: [PATCH] Check for empty vector in vector Debug

---
 src/base/matrix.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/base/matrix.rs b/src/base/matrix.rs
index 77e26925..fcdfa2d6 100644
--- a/src/base/matrix.rs
+++ b/src/base/matrix.rs
@@ -1986,6 +1986,10 @@ pub fn format_column_vec_as_row<T: Scalar + fmt::Display, D: crate::DimName>(
 where
     DefaultAllocator: Allocator<T, D>,
 {
+    if vector.is_empty() {
+        return write!(f, "[ ]");
+    }
+
     write!(f, "[")?;
     let mut it = vector.iter();
     std::fmt::Display::fmt(it.next().unwrap(), f)?;