- top = hashmap_new(string_hash_func, string_compare_func);
- bottom = hashmap_new(string_hash_func, string_compare_func);
- drops = hashmap_new(string_hash_func, string_compare_func);
+ top = hashmap_new(&string_hash_ops);
+ bottom = hashmap_new(&string_hash_ops);
+ drops = hashmap_new(&string_hash_ops);