#define Hash(this, key) hash_string(key)
#define KeysEqual(this,key1,key2) (strcmp(key1, key2) == 0)
#define SetRangeEmpty(ptr,size) memset(ptr, 0, (size) * sizeof(symbol_table_hash_entry_t))
#define Hash(this, key) hash_string(key)
#define KeysEqual(this,key1,key2) (strcmp(key1, key2) == 0)
#define SetRangeEmpty(ptr,size) memset(ptr, 0, (size) * sizeof(symbol_table_hash_entry_t))