From 8ef4f3d54de1328a1d9753f4317a5d7692a72ae8 Mon Sep 17 00:00:00 2001
From: Neil <nyamatongwe@gmail.com>
Date: Sun, 21 May 2017 10:26:10 +1000
Subject: Make SplitVector work with move-only types like unique_ptr. Provide
 InsertEmpty and both const and non-const reference returning operator[]. Add
 and fix comments.

---
 src/ContractionState.cxx | 1 +
 1 file changed, 1 insertion(+)

(limited to 'src/ContractionState.cxx')

diff --git a/src/ContractionState.cxx b/src/ContractionState.cxx
index 60042bf88..6fca2ec4e 100644
--- a/src/ContractionState.cxx
+++ b/src/ContractionState.cxx
@@ -10,6 +10,7 @@
 #include <cstring>
 
 #include <stdexcept>
+#include <vector>
 #include <algorithm>
 #include <memory>
 
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