#ifndef SKIPLIST_H
#define SKIPLIST_H
-#include "datatype.h"
#include "map.h"
typedef struct sl skiplist_t;
+typedef struct sl_iter sl_iter_t;
-extern map_type_t MAP_TYPE_SKIPLIST;
+skiplist_t * sl_alloc (const datatype_t *key_type);
+map_val_t sl_cas (skiplist_t *sl, map_key_t key, map_val_t expected_val, map_val_t new_val);
+map_val_t sl_lookup (skiplist_t *sl, map_key_t key);
+map_val_t sl_remove (skiplist_t *sl, map_key_t key);
+size_t sl_count (skiplist_t *sl);
+void sl_print (skiplist_t *sl);
+void sl_free (skiplist_t *sl);
+map_key_t sl_min_key (skiplist_t *sl);
-skiplist_t *sl_alloc (const datatype_t *key_type);
-uint64_t sl_cas (skiplist_t *sl, void *key, uint64_t expected_val, uint64_t new_val);
-uint64_t sl_lookup (skiplist_t *sl, void *key);
-uint64_t sl_remove (skiplist_t *sl, void *key);
-uint64_t sl_count (skiplist_t *sl);
-void sl_print (skiplist_t *sl);
-void sl_free (skiplist_t *sl);
+sl_iter_t * sl_iter_begin (skiplist_t *sl, map_key_t key);
+map_val_t sl_iter_next (sl_iter_t *iter, map_key_t *key_ptr);
+void sl_iter_free (sl_iter_t *iter);
+
+static const map_impl_t sl_map_impl = {
+ (map_alloc_t)sl_alloc, (map_cas_t)sl_cas, (map_get_t)sl_lookup, (map_remove_t)sl_remove,
+ (map_count_t)sl_count, (map_print_t)sl_print, (map_free_t)sl_free, (map_iter_begin_t)sl_iter_begin,
+ (map_iter_next_t)sl_iter_next, (map_iter_free_t)sl_iter_free
+};
#endif//SKIPLIST_H