- m->machines = hashmap_new(string_hash_func, string_compare_func);
- m->machine_units = hashmap_new(string_hash_func, string_compare_func);
- m->machine_leaders = hashmap_new(trivial_hash_func, trivial_compare_func);
+ m->machines = hashmap_new(&string_hash_ops);
+ m->machine_units = hashmap_new(&string_hash_ops);
+ m->machine_leaders = hashmap_new(NULL);