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-rw-r--r--libs/intrusive/example/doc_treap_set.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/libs/intrusive/example/doc_treap_set.cpp b/libs/intrusive/example/doc_treap_set.cpp
index e82cedec5..f8abbe585 100644
--- a/libs/intrusive/example/doc_treap_set.cpp
+++ b/libs/intrusive/example/doc_treap_set.cpp
@@ -12,7 +12,7 @@
//[doc_treap_set_code
#include <boost/intrusive/treap_set.hpp>
#include <vector>
-#include <algorithm>
+#include <functional>
#include <cassert>
using namespace boost::intrusive;