std::size_t scribble_hasher::hash(const scribble& v) {
std::size_t seed(0);
combine(seed, hash_std_list_std_pair_std_string_std_string(v.entries()));
combine(seed, v.scope());
combine(seed, hash_std_vector_std_string(v.candidate_labels()));
return seed;
}
std::unordered_map<std::string, std::list<std::string >>
annotation_groups_factory::
aggregate_scribble_entries(const scribble& scribble) const {
std::unordered_map<std::string, std::list<std::string> > r;
for (const auto& entry : scribble.entries())
r[entry.first].push_front(entry.second);
return r;
}