Function clear

src/fl/stl/unordered_map.h:596–601

    }

    void clear() {
        _buckets.assign(_buckets.size(), Entry{});
        _occupied.reset();
        _deleted.reset();
        _size = _tombstones = 0;
    }

    // swap() - swap contents with another unordered_map
    void swap(unordered_map& other) {