#ifndef STRUCT_H
#define STRUCT_H

#define DOES_NOT_EXIST 0

#define EXPECT_DOES_NOT_EXIST ( 0)
#define EXPECT_EXISTS         (-1)
#define EXPECT_WHATEVER       (-2)

typedef struct hti *hashtable_t;

hashtable_t *ht_alloc (void);
void ht_free (hashtable_t *ht);
uint64_t ht_get (hashtable_t *ht, const char *key, uint32_t len);
uint64_t ht_compare_and_set (hashtable_t *ht, const char *key, uint32_t key_len, uint64_t expected_val, uint64_t val);
uint64_t ht_remove (hashtable_t *ht, const char *key, uint32_t len);
uint64_t ht_count (hashtable_t *ht);

#endif//STRUCT_H