htlib.h

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#ifndef _HTLIB_H_
#define _HTLIB_H_
 
#include <stdbool.h>
#include <stddef.h>

typedef enum {
  HT_KEY_TYPE_INT,
  HT_KEY_TYPE_UINT,
  HT_KEY_TYPE_DOUBLE,
  HT_KEY_TYPE_STRING,
} ht_key_type_t;

typedef enum {
  HT_VALUE_TYPE_INT,
  HT_VALUE_TYPE_UINT,
  HT_VALUE_TYPE_DOUBLE,
  HT_VALUE_TYPE_STRING,
  HT_VALUE_TYPE_PTR
} ht_value_type_t;
 

typedef struct ht_hashmap ht_hashmap_t;

ht_hashmap_t *ht_new(ht_key_type_t key_type, ht_value_type_t value_type,
                     size_t initial_capacity);

bool ht_insert(ht_hashmap_t *ht, const void *key, const void *value);

bool ht_get(ht_hashmap_t *ht, const void *key, void *value_out);

bool ht_remove(ht_hashmap_t *ht, const void *key);

size_t ht_size(ht_hashmap_t *ht);

bool ht_is_empty(ht_hashmap_t *ht);

void ht_clear(ht_hashmap_t *ht);

void ht_destroy(ht_hashmap_t *ht);
 
#endif  // _HTLIB_H_