void dict_compact_values (struct dictionary *);
size_t dict_get_compacted_value_cnt (const struct dictionary *);
void dict_compact_values (struct dictionary *);
size_t dict_get_compacted_value_cnt (const struct dictionary *);
bool dict_compacting_would_shrink (const struct dictionary *);
bool dict_compacting_would_change (const struct dictionary *);
bool dict_compacting_would_shrink (const struct dictionary *);
bool dict_compacting_would_change (const struct dictionary *);