Class unordered_map

uspace/lib/cpp/include/__bits/adt/unordered_map.hpp:51–714

        class Alloc = allocator<pair<const Key, Value>>
    >
    class unordered_map
    {
        public:
            using key_type        = Key;
            using mapped_type     = Value;
            using value_type      = pair<const key_type, mapped_type>;
            using hasher          = Hash;
            using key_equal       = Pred;
            using allocator_type  = Alloc;
            using pointer         = typename allocator_traits<allocator_type>::pointer;
            using const_pointer   = typename allocator_traits<allocator_type>::const_pointer;
            using reference       = value_type&;
            using const_reference = const value_type&;
            using size_type       = size_t;
            using difference_type = ptrdiff_t;

            using iterator             = aux::hash_table_iterator<
                value_type, reference, pointer, size_type
            >;
            using const_iterator       = aux::hash_table_const_iterator<
                value_type, const_reference, const_pointer, size_type
            >;
            using local_iterator       = aux::hash_table_local_iterator<
                value_type, reference, pointer
            >;
            using const_local_iterator = aux::hash_table_const_local_iterator<
                value_type, const_reference, const_pointer
            >;

            unordered_map()
                : unordered_map{default_bucket_count_}
            { /* DUMMY BODY */ }

            explicit unordered_map(size_type bucket_count,
                                   const hasher& hf = hasher{},
                                   const key_equal& eql = key_equal{},
                                   const allocator_type& alloc = allocator_type{})
                : table_{bucket_count, hf, eql}, allocator_{alloc}
            { /* DUMMY BODY */ }

            template<class InputIterator>
            unordered_map(InputIterator first, InputIterator last,
                          size_type bucket_count = default_bucket_count_,
                          const hasher& hf = hasher{},
                          const key_equal& eql = key_equal{},
                          const allocator_type& alloc = allocator_type{})
                : unordered_map{bucket_count, hf, eql, alloc}
            {
                insert(first, last);
            }

            unordered_map(const unordered_map& other)
                : unordered_map{other, other.allocator_}
            { /* DUMMY BODY */ }

            unordered_map(unordered_map&& other)
                : table_{move(other.table_)}, allocator_{move(other.allocator_)}
            { /* DUMMY BODY */ }