From 2de3169976e876578c736e844605495dac6c7f30 Mon Sep 17 00:00:00 2001
From: Fan Jiang <prof.fan@foxmail.com>
Date: Tue, 19 Apr 2022 21:50:15 -0400
Subject: [PATCH] Fix compile

---
 gtsam/hybrid/tests/Switching.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/gtsam/hybrid/tests/Switching.h b/gtsam/hybrid/tests/Switching.h
index 0816db8df..f29b8d9d5 100644
--- a/gtsam/hybrid/tests/Switching.h
+++ b/gtsam/hybrid/tests/Switching.h
@@ -36,9 +36,9 @@ inline HybridFactorGraph::shared_ptr makeSwitchingChain(
   return boost::make_shared<HybridFactorGraph>(std::move(hfg));
 }
 
-inline std::pair<std::vector<Key>, std::vector<int>> makeBinaryOrdering(
+inline std::pair<KeyVector, std::vector<int>> makeBinaryOrdering(
     std::vector<Key> &input) {
-  std::vector<Key> new_order;
+  KeyVector new_order;
   std::vector<int> levels(input.size());
   std::function<void(std::vector<Key>::iterator, std::vector<Key>::iterator,
                      int)>