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-rw-r--r--libs/intrusive/example/doc_unordered_set.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/intrusive/example/doc_unordered_set.cpp b/libs/intrusive/example/doc_unordered_set.cpp
index 5468026df..ca0b5be31 100644
--- a/libs/intrusive/example/doc_unordered_set.cpp
+++ b/libs/intrusive/example/doc_unordered_set.cpp
@@ -12,7 +12,7 @@
//[doc_unordered_set_code
#include <boost/intrusive/unordered_set.hpp>
#include <vector>
-#include <algorithm>
+#include <functional>
#include <boost/functional/hash.hpp>
using namespace boost::intrusive;