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-rw-r--r--zen/stl_tools.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/zen/stl_tools.h b/zen/stl_tools.h
index c93f2d61..bf47bb1c 100644
--- a/zen/stl_tools.h
+++ b/zen/stl_tools.h
@@ -183,6 +183,9 @@ template <class K, class V> class hash_map : public std::map<K, V> {};
#else
template <class T> class hash_set : public std::unordered_set<T> {};
template <class K, class V> class hash_map : public std::unordered_map<K, V> {};
+//C++11:
+//template <class T> using hash_set = std::unordered_set<T>;
+//template <class K, class V> using hash_map = std::unordered_map<K, V>;
#endif
//as long as variadic templates are not available in MSVC
bgstack15