Method SerializableMap

tools/parser/serializable_map.hpp:36–39

    };
    
    SerializableMap(const Key &deletedKey, const Key emptyKey) {
        map.set_deleted_key(deletedKey);
        map.set_empty_key(emptyKey);
    }
    
    bool unserialize(const std::string &path) {
        std::fstream file{path, std::fstream::in | std::fstream::binary};