id summary reporter owner description type status milestone component version severity resolution keywords cc 1683 Boost Intrusive - Superflous template parameter boost@… Ion Gaztañaga "In boost/intrusive/unordered_set.hpp template size_type count(const KeyType& key, KeyHasher hash_func, KeyValueEqual equal_func) const { return table_.count(key, hash_func, equal_func); } The 'class Disposer' template argument is superflous. With that there, the compiler is not able to automatically infer the template types so I can't write foo.count<>(key,hash,equal). " Bugs closed Boost 1.35.0 intrusive Boost 1.34.1 Problem fixed