...one of the most highly
regarded and expertly designed C++ library projects in the
world.
— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards
namespace boost { template<typename Value, typename Hash = boost::hash<Value>, typename Pred = std::equal_to<Value>, typename Alloc = std::allocator<Value> > class unordered_set; template<typename Value, typename Hash, typename Pred, typename Alloc> bool operator==(unordered_set<Value, Hash, Pred, Alloc> const&, unordered_set<Value, Hash, Pred, Alloc> const&); template<typename Value, typename Hash, typename Pred, typename Alloc> bool operator!=(unordered_set<Value, Hash, Pred, Alloc> const&, unordered_set<Value, Hash, Pred, Alloc> const&); template<typename Value, typename Hash, typename Pred, typename Alloc> void swap(unordered_set<Value, Hash, Pred, Alloc>&, unordered_set<Value, Hash, Pred, Alloc>&); template<typename Value, typename Hash = boost::hash<Value>, typename Pred = std::equal_to<Value>, typename Alloc = std::allocator<Value> > class unordered_multiset; template<typename Value, typename Hash, typename Pred, typename Alloc> bool operator==(unordered_multiset<Value, Hash, Pred, Alloc> const&, unordered_multiset<Value, Hash, Pred, Alloc> const&); template<typename Value, typename Hash, typename Pred, typename Alloc> bool operator!=(unordered_multiset<Value, Hash, Pred, Alloc> const&, unordered_multiset<Value, Hash, Pred, Alloc> const&); template<typename Value, typename Hash, typename Pred, typename Alloc> void swap(unordered_multiset<Value, Hash, Pred, Alloc>&, unordered_multiset<Value, Hash, Pred, Alloc>&); }
namespace boost { template<typename Key, typename Mapped, typename Hash = boost::hash<Key>, typename Pred = std::equal_to<Key>, typename Alloc = std::allocator<std::pair<Key const, Mapped> > > class unordered_map; template<typename Key, typename Mapped, typename Hash, typename Pred, typename Alloc> bool operator==(unordered_map<Key, Mapped, Hash, Pred, Alloc> const&, unordered_map<Key, Mapped, Hash, Pred, Alloc> const&); template<typename Key, typename Mapped, typename Hash, typename Pred, typename Alloc> bool operator!=(unordered_map<Key, Mapped, Hash, Pred, Alloc> const&, unordered_map<Key, Mapped, Hash, Pred, Alloc> const&); template<typename Key, typename Mapped, typename Hash, typename Pred, typename Alloc> void swap(unordered_map<Key, Mapped, Hash, Pred, Alloc>&, unordered_map<Key, Mapped, Hash, Pred, Alloc>&); template<typename Key, typename Mapped, typename Hash = boost::hash<Key>, typename Pred = std::equal_to<Key>, typename Alloc = std::allocator<std::pair<Key const, Mapped> > > class unordered_multimap; template<typename Key, typename Mapped, typename Hash, typename Pred, typename Alloc> bool operator==(unordered_multimap<Key, Mapped, Hash, Pred, Alloc> const&, unordered_multimap<Key, Mapped, Hash, Pred, Alloc> const&); template<typename Key, typename Mapped, typename Hash, typename Pred, typename Alloc> bool operator!=(unordered_multimap<Key, Mapped, Hash, Pred, Alloc> const&, unordered_multimap<Key, Mapped, Hash, Pred, Alloc> const&); template<typename Key, typename Mapped, typename Hash, typename Pred, typename Alloc> void swap(unordered_multimap<Key, Mapped, Hash, Pred, Alloc>&, unordered_multimap<Key, Mapped, Hash, Pred, Alloc>&); }