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Diffstat (limited to 'boost/graph/property_maps/null_property_map.hpp')
-rw-r--r--boost/graph/property_maps/null_property_map.hpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/boost/graph/property_maps/null_property_map.hpp b/boost/graph/property_maps/null_property_map.hpp
index f6273481b0..09ff55e348 100644
--- a/boost/graph/property_maps/null_property_map.hpp
+++ b/boost/graph/property_maps/null_property_map.hpp
@@ -29,7 +29,7 @@ namespace boost
// The null_property_map<K,V> only has a put() function.
template <typename K, typename V>
- void put(null_property_map<K,V>& pm, const K& key, const V& value)
+ void put(null_property_map<K,V>& /*pm*/, const K& /*key*/, const V& /*value*/)
{ }
// A helper function for intantiating null property maps.