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#ifndef AMALGAM_HASH_MAP_H
#define AMALGAM_HASH_MAP_H
#include "defs.h"
#include "misc.h"
#include "types.h"
#include "buffer.h"
#include "buffer_view.h"
typedef struct HashMap HashMap;
typedef int(*HashMapCompare)(const void *a, const void *b);
typedef usize(*HashMapHash)(const u8 *data, usize size);
struct HashMap {
ArenaAllocator *allocator; /* borrowed */
Buffer/*HashMapBucket*/ buckets;
usize value_type_size;
usize num_elements;
HashMapCompare compare_func;
HashMapHash hash_func;
};
CHECK_RESULT int hash_map_init(HashMap *self, ArenaAllocator *allocator, usize value_type_size, HashMapCompare compare_func, HashMapHash hash_func);
/*
Not thread-safe.
Expected @value size to be @self->value_type_size.
*/
CHECK_RESULT int hash_map_insert(HashMap *self, BufferView key, void *value);
/*
Thread-safe unless @hash_map_insert is used in another thread at the same time.
Expected @value size to be @self->value_type_size.
*/
CHECK_RESULT bool hash_map_get(HashMap *self, BufferView key, void *value);
int hash_map_compare_string(const void *a, const void *b);
#endif
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