From 6a5793197adc5e080978415d4f0c39cc4b3da999 Mon Sep 17 00:00:00 2001
From: statiolake <statiolake@gmail.com>
Date: Tue, 27 Apr 2021 21:49:34 +0900
Subject: [PATCH] Remove trailing commas from `matches!`

Old versions of rust don't allow trailing commas for this macro.
It's introduced in this pull request:
    <https://github.com/rust-lang/rust/pull/74880>.
---
 src/pcl/structure/graph.rs | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/pcl/structure/graph.rs b/src/pcl/structure/graph.rs
index 4b451ec..596a6e9 100644
--- a/src/pcl/structure/graph.rs
+++ b/src/pcl/structure/graph.rs
@@ -510,7 +510,7 @@ mod tests {
         graph.add_edges(edges.iter().copied());
         assert!(matches!(
             Tree::try_from(graph.clone()),
-            Err(TreeTryFromError::NotConnected),
+            Err(TreeTryFromError::NotConnected)
         ));
 
         graph.add_edge((0, 1));
@@ -523,7 +523,7 @@ mod tests {
         graph.add_edge((1, 2));
         assert!(matches!(
             Tree::try_from(graph),
-            Err(TreeTryFromError::HasCycle),
+            Err(TreeTryFromError::HasCycle)
         ));
     }