#define MAP_H
typedef struct map map_t;
-typedef enum stat { MAP_STAT_COUNT } map_stat_e;
-typedef enum { MAP_TYPE_HASHTABLE, MAP_TYPE_SKIPLIST, MAP_TYPE_LIST } map_type_e;
-map_t * map_alloc (map_type_e map_type);
-void map_free (map_t *map);
-void map_print (map_t *map);
-uint64_t map_stat (map_t *map, map_stat_e stat_type);
+typedef const struct map_impl *map_type_t;
+
+typedef int (*cmp_fun_t) (void *, void *);
+typedef void * (*clone_fun_t) (void *);
+typedef uint32_t (*hash_fun_t) (void *);
-uint64_t map_get (map_t *map, const void *key_data, uint32_t key_len);
-uint64_t map_set (map_t *map, const void *key_data, uint32_t key_len, uint64_t new_val);
-uint64_t map_add (map_t *map, const void *key_data, uint32_t key_len, uint64_t new_val);
-uint64_t map_cas (map_t *map, const void *key_data, uint32_t key_len, uint64_t expected_val, uint64_t new_val);
-uint64_t map_replace(map_t *map, const void *key_data, uint32_t key_len, uint64_t new_val);
-uint64_t map_remove (map_t *map, const void *key_data, uint32_t key_len);
+extern map_type_t MAP_TYPE_HASHTABLE;
+extern map_type_t MAP_TYPE_SKIPLIST;
+extern map_type_t MAP_TYPE_LIST;
+
+map_t * map_alloc (map_type_t map_type, cmp_fun_t cmp_fun, hash_fun_t hash_fun, clone_fun_t clone_fun);
+uint64_t map_get (map_t *map, void *key);
+uint64_t map_set (map_t *map, void *key, uint64_t new_val);
+uint64_t map_add (map_t *map, void *key, uint64_t new_val);
+uint64_t map_cas (map_t *map, void *key, uint64_t expected_val, uint64_t new_val);
+uint64_t map_replace(map_t *map, void *key, uint64_t new_val);
+uint64_t map_remove (map_t *map, void *key);
+uint64_t map_count (map_t *map);
+void map_print (map_t *map);
+void map_free (map_t *map);
#endif//MAP_H