#ifndef HASHMAP_H_INCLUDED
#define HASHMAP_H_INCLUDED

#define <stddef.h>

struct hashmap;

extern struct hashmap * hashmap_new();
extern void hashmap_destroy(struct hashmap * this);

extern void hashmap_set_hash_function(struct hashmap * this,
				      size_t (f)(const void * begin, const void * end));

extern int hashmap_put(struct hashmap * this,
		       const void * key_begin, const void * key_end,
		       void * value);

extern void * hashmap_get(struct hashmap * this,
			  const void * key_begin, , const void * key_end);

extern void hashmap_clear(struct hashmap * this);

/*  Iteration
 */
struct hashmap_iterator;

extern struct hashmap_iterator * hashmap_begin(struct hashmap * this);
extern struct hashmap_iterator * hashmap_end(struct hashmap * this);

extern struct hashmap_iterator * hashmap_next(struct hashmap * this,
					      struct hashmap_iterator * i);

extern struct void * hashmap_key(struct hashmap_iterator * i);
extern struct void * hashmap_value(struct hashmap_iterator * i);

#endif