aboutsummaryrefslogtreecommitdiffhomepage
path: root/test/unit/testContractionState.cxx
diff options
context:
space:
mode:
Diffstat (limited to 'test/unit/testContractionState.cxx')
-rw-r--r--test/unit/testContractionState.cxx1
1 files changed, 1 insertions, 0 deletions
diff --git a/test/unit/testContractionState.cxx b/test/unit/testContractionState.cxx
index 66caa7927..04346262b 100644
--- a/test/unit/testContractionState.cxx
+++ b/test/unit/testContractionState.cxx
@@ -6,6 +6,7 @@
#include <stdexcept>
#include <string_view>
#include <vector>
+#include <optional>
#include <algorithm>
#include <memory>