From d3e323c7ab444204899fed9453b0ba0294b6edb7 Mon Sep 17 00:00:00 2001
From: Alan Lawrence <alan.lawrence@cambridgequantum.com>
Date: Fri, 3 May 2024 20:47:32 +0100
Subject: [PATCH] Add test showing that assert_matches does not work.

---
 hugr/src/hugr.rs | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/hugr/src/hugr.rs b/hugr/src/hugr.rs
index 02b5a25b5..f80b296d7 100644
--- a/hugr/src/hugr.rs
+++ b/hugr/src/hugr.rs
@@ -345,10 +345,17 @@ pub enum HugrError {
 
 #[cfg(test)]
 mod test {
+    use cool_asserts::assert_matches;
+
     use super::{Hugr, HugrView};
     #[cfg(feature = "extension_inference")]
     use std::error::Error;
 
+    #[test]
+    fn test_assert_matches() {
+        assert_matches!(Some(5), Some(x) => x == 6);
+    }
+
     #[test]
     fn impls_send_and_sync() {
         // Send and Sync are automatically impl'd by the compiler, if possible.